Ceramics & Inorganic Materials Group

F. Östlund, R. Ghisleni, P.R. Howie, S. Korte, K. Leifer, W.J. Clegg, J. Michler, "Ductile-brittle transition in micropillar compression of GaAs at room temperature", Philosophical Magazine, (2010). Published on-line $$$$$, doi: $$$$$$$$.

S. Korte and W.J. Clegg, "Discussion of the dependence of the effect of size on the yield stress in hard materials studied by microcompression of MgO", Philosophical Magazine, (2010). Published on-line 11^th August 2010, doi: 10.1080/14786435.2010.505179.

L. Goehring, W.J. Clegg, A.F. Routh, "Solidification and ordering during directional drying of a colloidal dispersion", Langmuir, 26[12] (2010) 9269-9275.

L. Goehring, R. Conroy, A. Ahkter, W.J. Clegg, A.F. Routh, "Evolution of mud-crack patterns during repeated drying cycles", Soft Matter,6[15] (2010) 3562-3567.

S. Korte and W.J. Clegg, "Onset of plasticity in In_xGa_1-xAs multilayers, Acta Materialia, 58[1] (2010) 59-66.

J.C. Lloyd and W.J. Clegg, "Effect of fibre anisotropy on composite thermal conductivity",  Advanced Materials Research, 59 (2009) 148-152.

S. Korte and W.J. Clegg, "Micropillar compression of ceramics at elevated temperatures", Scripta Materialia, 60[9] (2009) 807-810.

S. Gustafsson, L.K.L. Falk, J.E. Pitchford, W.J. Clegg, E. Lidén and E. Carlström, "Development of microstructure during creep of polycrystalline mullite and a nanocomposite mullite/5 vol.% SiC", Journal of the European Ceramic Society, 29[4] (2009), 539-550.

S. Korte, I. Farrer and W.J. Clegg, "Elastic and plastic properties of In_xGa_1-xAs", Journal of Physics D: Applied Physics, 41[20] (2008), 205406-205411.

S. Korte, I. Farrer, H.E. Beere and W.J. Clegg, "Discontinuous yield in InGaAs thin films", Surface and Coatings Technology, 203[5-7] (2008), 713-716.

K.K. McLaughlin and W.J. Clegg, "Quantitative analysis of deformation around a nanoindentation in GaN by STEM diffraction", Microscopy of Semiconducting Materials 2007, 120 (2008) 73-76.

S. Korte, K.K. McLaughlin, I. Farrer and W.J. Clegg, "Observations of flow in In_xGa_1-xAs multilayers", Journal of Physics: Conference series EMAG 2007.

J. Neidhardt, C. Walter,  J.M. Molina-Aldareguia, M. Herrmann, W.J. Clegg, L. Hultman, "Transmission electron microscopy studies and simulation of the indentation response of superelastic fullerenelike carbon nitride thin films", Journal of Applied Physics, 103[12] (2008) 123515, 1-8.

D.M. Holmes, F. Tegeler and W.J. Clegg, "Stresses and strains in colloidal films during lateral drying", Journal of the European Ceramic Society, 28[7] (2008) 1381-1387.

K.K. McLaughlin and W.J. Clegg, "Deformation underneath low-load indentations in copper", Journal of Physics D-Applied Physics, 41[7] (2008) Art. No 074007.

C. Yuan, L.J. Vandeperre, R.J. Stearn, and W.J. Clegg, "The effect of porosity in thermal shock", Journal of Materials Science,43[12] (2008) 4099-4106.

T. Scholz, K.K. McLaughlin, F. Giuliani, W.J. Clegg, F.J. Espinoza-Beltran, M.V. Swain and G.A. Schneider, "Nanoindentation initiated dislocations in barium titanate (BaTiO₃)", Applied Physics Letters, 91[6] (2007) Art. No. 062903.

L.J. Vandeperre, F. Giuliani, S.J. Lloyd and W.J. Clegg, "The hardness of silicon and germanium", Acta Materialia, 55[18] (2007) 6307-6315.

144.

J.E. Pitchford, E. Lidén, S. Gustafsson, L.K.L. Falk, E. Carlström and W.J. Clegg, "The effect of particle migration on the creep-rate of nanocomposites, Key Engineering Materials, 317-318 (2006) 445-448.

143.

C.L. Mulcahy and W.J. Clegg, "Increasing the effectiveness of aluminium phosphate binders", Key Engineering Materials, 317-318 (2006) 355-358.

142.

W.J. Clegg, L.J. Vandeperre and J.E. Pitchford, "Energy changes and the lattice resistance", Key Engineering Materials, 317-318 (2006) 271-276.

141.

K.K. McLaughlin and W.J. Clegg, "The analysis of plastic and elastic deformation from indentation", in EMAG-NANO 2005: Imaging, Analysis and Fabrication on the Nanoscale, 26 (2006) 359-362.

140.

Y. Long, F. Giuliani, S.J. Lloyd, J. Molina-Aldareguia, Z.H. Barber, and W.J. Clegg, "Deformation processes and the effects of microstructure in multilayered ceramics", Composites Part B-Engineering, 37[6] (2006) 542-549.

139.

W.J. Clegg, F. Giuliani, Y. Long, S.J. Lloyd, and J.M. Molina-Aldareguia, "Hardening in multilayer ceramics", in Ceramic Matrix Composites: Microstructure, Properties and Applications, edited by I. M. Low (Woodhead Publishing Limited, Cambridge, 2006), pp. 216-240.

138.

D.M. Holmes, R.V. Kumar and W.J. Clegg, "Cracking during lateral drying of alumina suspensions", Journal of the American Ceramic Society, 89[6] (2006) 1908-1913.

137.

S.J. Lloyd, J.M. Molina-Aldareguia and W.J. Clegg, "Structural characterization of TiN/NbN multilayers: X-ray diffraction, energy filtered TEM and Fresnel contrast techniques compared", Journal of Microscopy, 217[3] (2005) 241-259.

136.

S.J. Lloyd, K.M.Y. P'Ng, W.J. Clegg, A.J. Bushby and D.J. Dunstan, "Effect of coherency strain on the deformation of In_xGa_1-xAs superlattices under nanoindentation and bending", Philosophical Magazine, 85[22] (2005) 2469-2490.

135.

S.J. Lloyd, A. Castellero, F. Giuliani, Y. Long, K.K. McLaughlin, J.M. Molina-Aldareguia, N.A. Stelmashenko and W.J. Clegg, "Observations of nanoindents via cross-sectional transmission electron microscopy: a survey of deformation mechanisms", Proceedings of the Royal Society A - Mathematical, Physical and Engineering Sciences, 461[2060] (2005) 2521-2543.

134.

M.C. Cordo-Cabrera, R.V. Kumar and W.J. Clegg, "Comparative study of transport properties relevant to a textured sol-gel PZT coating on Ni substrate", Ionics, 11[1-2] (2005) 46-53.

133.

L.J. Vandeperre, F. Giuliani and W.J. Clegg, "An analytical approach for relating hardness and yield strength for materials with high ratio of yield strength to Young modulus", in Fundamentals of Nanoindentation and Nanotribology III, Vol. 841, edited by K.J. Wahl, N. Huber, A B. Mann, D F. Bahr, and Y.T. Cheng (Materials Research Society, Warrendale, PA, 2005), pp. 323-328.

132.

F. Giuliani, A. Goruppa, S.J. Lloyd and W.J. Clegg, "High temperature deformation of AlN/CrN multilayers using nanoindentation", in Fundamentals of Nanoindentation and Nanotribology III, Vol. 841, edited by K J. Wahl, N. Huber, A.B. Mann, D.F. Bahr, and Y.T. Cheng (Materials Research Society, Warrendale, 2005), pp. 159-164.

131.

K.K. McLaughlin, N.A. Stelmashenko, S.J. Lloyd, L.J. Vandeperre and W.J. Clegg,  "Measurement of crystal lattice rotations under nanoindents in copper", in Fundamentals of Nanoindentation and Nanotribology III, Vol. 841, edited by K. J. Wahl, N. Huber, A B. Mann, D.F. Bahr, and Y.T. Cheng (Materials Research Society, Warrendale, PA, 2005), pp. 3-8.

130.

L.J. Vandeperre and W.J. Clegg, "The correlation between hardness and yield strength of hard materials", in Functionally Graded Materials VIII, Vol. 492-493, edited by O.Van der Biest, M. Gasik, and J. Vleugels (Trans Tech Publications Ltd., Brandrain, Switzerland,  2005), pp. 555-560.

129.

F. Giuliani, A. Goruppa, S.J. Lloyd, D. Teer and W.J. Clegg, "Indentation of AlN/CrN multilayers from room temperature to 400 ^oC", in Functionally Graded Materials VIII, Vol. 492-493, edited by O.Van der Biest, M. Gasik, and J. Vleugels (Trans Tech Publications, Brandrain, Switzerland, 2005), pp. 335-340.

128.

A. Kelly, L.N. McCartney, W.J. Clegg and R.J. Stearn, "Controlling thermal expansion to obtain negative expansivity using laminated composites", Composites Science and Technology, 65[1] (2005) 47-59.

127.

L.J. Vandeperre, J. Wang and W.J. Clegg, "Effects of porosity on the measured fracture energy of brittle materials", Philosophical Magazine, 84[34] (2005) 3689-3704.

126.

L.J. Vandeperre, F. Giuliani and W.J. Clegg, "Effect of elastic surface deformation on the relation between hardness and yield strength", Journal of Materials Research, 19[12] (2004) 3704-3714.

125.

F. Giuliani, S.J. Lloyd, L.J. Vandeperre and W.J. Clegg, "Deformation in GaAs under nanoindentation", Electron Microscopy and Analysis 2003, 179 (2004) 123-126.

124.

Y. Long, R.J. Stearn, Z.H. Barber, S.J. Lloyd and W.J. Clegg, "Deposition of TiN/NbN superlattice hard coatings by ionised magnetron sputter deposition", in Mechanical Properties of Nanostructured Materials and Nanocomposites, Vol. 791, edited by R. Krishnamoorti, E. Lavernia, I. Ovid'ko and C.S. Pande, G. Skandan,  (Materials Research Society, Warrendale, PA, 2004), pp. 125-130.

123.

L.J. Vandeperre and W.J. Clegg, "Tailoring strains through microstructural design", in Materials and Devices for Smart Systems, Vol. 785, edited by Y. Furuya, E. Quandt, Q. Zhang and K. Inoue, (Materials Research Society, Warrendale, PA, 2004), pp. 389-394.

122.

L.J. Vandeperre, F. Giuliani, S.J. Lloyd and W.J. Clegg, "Mechanisms Controlling the Hardness of Si and Ge", in Thin Films-Stresses and Mechanical Properties X, Vol. 795, edited by S.G. Corcoran, Y.-C. Joo, N.R. Moody and Z. Suo, (Materials Research Society: Warrendale, PA, 2004), pp. 319-324.

121.

L.J. Vandeperre, Y. Inagaki and W.J. Clegg, "Thermal shock of silicon nitride with preferentially aligned grains", Journal of Materials Research, 18[11] (2003) 2724-2729.

120.

W.J. Clegg and L.J. Vandeperre, "Cracking and thermal shock in porous materials", in Proceedings of ATEM '03, International Conference on Advanced Technology in Experimental Mechanics 2003 (Japan Society of Mechanical Engineers, Nagoya, Japan, 2003), pp. OS08WO147.

119.

A.L. Howlett, L.J. Vandeperre and W.J. Clegg, "A package for thermal compensation of fiber Bragg gratings", Advances in Electronic Packaging, 229-233 (2003) 1-5.

118.

S.J. Lloyd, K.M.Y. P'ng, A.J. Bushby, D.J. Dunstan and W.J. Clegg, "Yield of In_xGa_1-xAs superlattices under bending and nanoindentation", in Mechanical Properties Derived from Nanostructuring Materials, Vol. 778, edited by D. F. Bahr, H. Kung, N. R. Moody and K. J. Wahl (Materials Research Society, Warrendale, PA, San Francisco, 2003), pp. 43-48.

117.

B.L. Farmer, D.M. Holmes, L.J. Vandeperre, R.J. Stearn and W.J. Clegg, "The growth of bamboo structured carbon tubes using a copper catalyst" in Nanomaterials for Structural Applications, Vol. 740, edited by C.C. Berndt, T. E. Fischer, I. Ovid'ko, G. Skandan, and T. Tsakalakos (Materials Research Society, Warrendale, PA, Boston, 2002), pp. 81-86.

116.

L.J. Vandeperre, J.P. Wang and W.J. Clegg, "Maximum pore volume fraction and size for high fracture energy in porous bodies" in Granular-Material Based Technologies, Vol. 759, edited by S. Sen, M. L. Hunt, and A. J. Hurd (Materials Research Society, Warrendale, PA, Boston, 2002), pp. 35-40.

115.

J. Wang, L.J. Vandeperre, R.J. Stearn and W.J. Clegg, "The fracture energy of porous ceramics", Key Engineering Materials, 206-2 (2002) 2025-2028.

114.

S. Gustafsson, L.K.L. Falk, J.E. Pitchford, W.J. Clegg, E. Lidén and E. Carlström, "Development of microstructure during creep of mullite and mullite 5vol% SiC nanocomposite", Key Engineering Materials, 206-2 (2002) 1145-1148.

113.

S.J. Lloyd, J.M. Molina-Aldareguia and W.J. Clegg, "Deformation under nanoindents in sapphire, spinel and magnesia examined using transmission electron microscopy", Philosophical Magazine A, 82[10] (2002) 1963-1969.

112. 

J.M. Molina-Aldareguia, S.J. Lloyd, M. Oden, T. Joelsson, L. Hultman and W.J. Clegg, "Deformation structures under nanoindentations in TiN/NbN single-crystal multilayers deposited by magnetron sputtering at different bombarding ion energies", Philosophical Magazine A, 82[10] (2002) 1983-1992.

111.

P.O.A. Persson, L. Hultman, H. Jacobson, J.P. Bergman, J.M. Molina-Aldareguia, W.J. Clegg and T. Tuomi, "Structural defects in electrically degraded 4H-SiC p(+)/n(-)/n(+) diodes", Applied Physics Letters, 80[25] (2002) 4852-4854.

110.

L.J. Vandeperre, A. Howlett and W.J. Clegg, "Application of negative thermal expansion to optical fibres", in CIMTEC 2002: International Conference on Modern Materials and Technologies (Florence, Italy, 2002), vol 4, pp. 945

109.

L.J. Vandeperre, R.J. Stearn, and W.J. Clegg, "Fracture of bodies with cylindrical pores", in CIMTEC 2002: International Conference on Modern Materials and Technologies (Florence, Italy, 2002), vol 1, pp 215

108.

W.J. Clegg, L.J. Vandeperre, A. Kristoffersson and E. Carlström, , "Interfacial properties for enhancing thermal shock resistance in layered ceramics", in CIMTEC 2002: International Conference on Modern Materials and Technologies (Florence, Italy, 2002).

107.

P.O.A. Persson, H. Jacobson, J.M. Molina-Aldareguia, J.P. Bergman, T. Tuomi, W.J. Clegg, E. Janzen and L. Hultman, "Structural defects in electrically degraded 4H-SiC PiN diodes", Materials Science Forum, 389[3] (2002) 423-426.

106.

W.J. Clegg and A. Kelly, "Choosing materials for composites with a greater range of properties", Advanced Engineering Materials, 4[6] (2002) 388-392.

105.

F.Y.C. Boey, A.I.Y. Tok and W.J. Clegg, "Porous reaction-sintered AlN tapes for high-performance microelectronics application", Journal of Materials Research, 17[2] (2002) 306-314.

104.

L.J. Vandeperre and W.J. Clegg, "Sintering of zirconium tungstate", Ceramics and Engineering Science Proceedings, 23[4] (2002) 869-876.

103.

S.J. Lloyd, J.M. Molina-Aldareguia and W.J. Clegg, "Deformation under nanoindents in Si, Ge and GaAs examined through transmission electron microscopy", Journal of Materials Research, 16[12] (2001) 3347-3350.

102.

J.M. Molina-Aldareguia, S.J. Lloyd, Z.H. Barber and W.J. Clegg, "Lack of hardening effect in TiN/NbN multilayers", in Materials Research Society Symposium Proceedings, Vol. 673, edited by O. Kraft, K. W. Schwarz, S. P. Baker, L. B. Freund, and R. Hull (Materials Research Society, Warrendale PA, Boston, 2001), pp. 3.3.1-3.3.6.

101.

J.E. Pitchford, R.J. Stearn, A. Kelly and W.J. Clegg, "Effect of oxygen vacancies on the hot hardness of mullite", Journal of the American Ceramic Society, 84[5] (2001) 1167-1168.

100.

L.J. Vandeperre, A. Kristoffersson, E. Carlström and W.J. Clegg, "Thermal shock of layered ceramic structures with crack deflecting interfaces", Journal of the American Ceramic Society, 84[1] (2001) 104-110.

99.

J. Wang, L.J. Vandeperre and W.J. Clegg, "The interaction of pores with growing cracks", in Proceedings of the 5th International Symposium on Synergy Ceramics, edited by K. Maeda and M. Ando (Fine Ceramic Research Association, Tokyo, Japan, 2001), pp. 174-175.

98.

J. Wang, L.J. Vandeperre, R.J. Stearn and W.J. Clegg, "Pores and cracking in ceramics", Journal of Ceramics Processing Research, 2[1] (2001) 27-30.

97.

J. Wang, C. Engebretsen, E. Carlström and W.J. Clegg, "The fracture of porous alumina made by partial sintering", Materials Integration, 14[4] (2001) 5-9 (in Japanese).

96.

J.E. Pitchford, F. Deleglise, M.H. Berger, A.R. Bunsell and W.J. Clegg, "Effect of microstructure on the creep behaviour of a directionally solidified YAG/Alumina eutectic fibre", Ceramics and Engineering Science Proceedings, 22[4] (2001) 415-420.

95.

J. Wang, L.J. Vandeperre and W.J. Clegg, "Effect of grain size on the fracture behaviour of porous alumina made by partial sintering of powder compacts", Ceramics and Engineering Science Proceedings, 22[4] (2001) 233-242.

94.

W.J. Clegg, C. Yuan, J. Wang and L.J. Vandeperre, "The effect of porosity on the cracking of materials in high temperature applications", Ceramics and Engineering Science Proceedings, 22[4] (2001) 251-257

93.

J.M. Molina-Aldareguia, S.J. Lloyd, Z.H. Barber, M.G. Blamire and W.J. Clegg, "The microstructure and nanoindentation behaviour of TiN/NbN multilayers" in Thin Film-Stresses and Mechanical Properties VIII, Vol. 594, edited by R. Vinci, O. Kraft, N. Moody, P. Besser, and E. Shaffer II (Materials Research Society, Warrendale, PA, Boston, 2000), pp. 9-14.

92.

P.F. He, T.J. Lu and W.J. Clegg, "The cracking of zirconia refractory tubes under hot shock", Journal of Materials Science, 35[10] (2000) 2443-2449.

91.

J.B. Davis, A. Kristoffersson, E. Carlström and W.J. Clegg, "Fabrication and crack deflection in ceramic laminates with porous interlayers", Journal of the American Ceramic Society, 83[10] (2000) 2369-2374.

90.

W.J. Clegg, "Layered ceramic structures", in Synergy Ceramics, edited by N.E.D.O. (Gihodo Press, 2000), section 4.1.5, pp. 140-151.

89.

W.J. Clegg, "The role of carbon in the sintering of boron-doped SiC", Journal of the American Ceramic Society, 83[5] (2000) 1039-1043.

88.

R.J. Stearn, J. Wang and W.J. Clegg, , "Fracture behaviour of porous materials", in 4th. Symposium on Synergy Ceramics (Japan Fine Ceramic Research Association, Nagoya, Japan, 2000), pp. 2-5.

87.

P.F. He and W.J. Clegg, "Modeling of thermal shock spalling crack in a ceramic slab", Key Engineering Materials, 183-1 (2000) 1213-1217.

86.

S.J. Lloyd, J.E. Pitchford, J.M. Molina-Aldareguia, Z.H. Barber, M.G. Blamire and W.J. Clegg, "Nanoindentation in TiN/NbN multilayers and thin films", Microscopy and Microanalysis, 5[Supplement 2], (1999).

85.

E.J. Winn and W.J. Clegg, "Role of the powder bed in the densification of silicon carbide sintered with yttria and alumina additives", Journal of the American Ceramic Society, 82[12] (1999) 3466-3470.

84.

W.J. Clegg, "Controlling cracks in ceramics", Science, 286[5442] (1999) 1097-1099.

83.

A. Kristoffersson, L. Vandeperre, E. Carlström and W.J. Clegg, "Thermal shock resistance of ZrO₂-Al₂O₃/Al₂O₃ laminates", in Proceedings 6th. European Ceramic Society, Vol. 2 (Insitute of Materials, Brighton, U.K., 1999), pp. 425-426.

82.

L. Vandeperre, C. Yuan and W.J. Clegg, "Thermal shock of layered ceramic structures", in 3rd International Nano Ceramic Forum and 2nd International Symposium on Intermaterials, edited by K. H. Auh (CPRC Ceramic, Seoul, Korea, 1999), pp.104-110.

81.

K.M. Knowles, S.Turan, A. Kumar, S.J. Chen and W.J. Clegg, "Transmission electron microscopy of interfaces in structural ceramic composites", Journal of Microscopy, 196[2] (1999) 194-202.

80.

E. Lidén, A. Kristoffersson, E. Carlström and W.J. Clegg, "Laminated tape cast ceramics with crack deflecting, porous interlayers", in 3rd International Symposium on Synergy Ceramics, edited by K. Komeya (Japan Fine Ceramic Research Association, Osaka, Japan, 1999), pp. 18-19.

79.

J.E. Pitchford, M.H. Berger, A. Bunsell, A. Kelly and W.J. Clegg, "Dislocation Creep of Ceramics", in 3rd International Symposium on Synergy Ceramics, edited by K. Komeya (Japan Fine Ceramics Research Association, Osaka, Japan, 1999), pp 138-139.

78.

R.C. Castle, G.A.J. Amaratunga and W.J. Clegg, "Stress sensing in ceramics", in 3rd International Symposium on Synergy Ceramics, edited by K. Komeya (Japan Fine Ceramic Research Association, Osaka, Japan, 1999), pp. 24-25.

77.

W.J. Clegg, G. Andrées, E. Carlström, R. Lundberg, A. Kristoffersson, R. Meistring, E. Menessier and A. Schoberth, "The properties of ceramic laminates", Ceramics and Engineering Science Proceedings, 20[4] (1999) 421-426.

76.

W.J. Clegg, A. Kelly and J.E. Pitchford, "Composites for use at high temperatures", Key Engineering Materials, 161-163 (1999) 315-320.

75.

W.J. Clegg, "Hard and fast ceramic composites", Materials World (1998) 215-216.

74.

C.D. Hillman and W.J. Clegg, "Controlling grain morphology for Si₃N₄ and SiC microstructures", in Ceramic Processing Science, Vol. 83 (American Ceramic Society, Westerville, Ohio, 1998), chapter 128, p 531.

73.

K.S. Blanks, A. Kristoffersson, E. Carlström and W.J. Clegg, "Crack deflection in ceramic laminates using porous interlayers", Journal of the European Ceramic Society, 18[13] (1998) 1945-1951.

72.

W.J. Clegg, "Design of ceramic laminates for structural applications", Materials Science and Technology, 14[6] (1998) 483-495.

71.

W.J. Clegg, A. Kristoffersson, E. Lidén, and E. Carlström, "The design of porous interfaces in multifunctional ceramics", in Proceedings of the 2nd International Symposium on Synergy Ceramics, edited by K. Komeya (Japan Fine Ceramic Research Association, Osaka, Japan, 1997), pp. 71-73.

70.

L. J. Vandeperre, O.Van Der Biest and W.J. Clegg, "Silicon carbide laminates with carbon interlayers by electrophoretic deposition", Key Engineering Materials, 127[1-2] (1997) 567-573.

69.

W.J. Clegg, G. Andrées, E. Carlström, R. Lundberg, A. Kristoffersson, R. Meistring, E. Menessier and A. Schoberth, "The fabrication and properties of silicon carbide laminates", in 6th. International Symposium on Ceramic Materials and Components for Engines, edited by K. Niihara, S. Kanzaki, K. Komeya, S. Hirano, and K. Morinaga (Japan Fine Ceramics Association, Arita, Japan, 1997), pp. 118-123.

68.

J.E. Pitchford, T.W. Clyne, Y.C. Tsui, A. Kelly and W.J. Clegg, "The use of bend stress relaxation tests to obtain creep data from ceramic fibres", in 6th. International Symposium on Ceramic Materials and Components for Engines, edited by K. Niihara, S. Kanzaki, K. Komeya, S. Hirano, and K. Morinaga (Japan Fine Ceramic Research Association, Arita, Japan, 1997), pp. 754-759.

67.

D.T. Steel and W.J. Clegg, "The flow behaviour of composites containing cut, aligned fibres", in Proceedings of the 11th. International Conference on Composite Materials (I.C.C.M. 11), Vol. III, edited by M. L. Scott (Australian Composite Structures Society, Gold Coast, Queensland, Australia, 1997), pp. 755-764.

66.

W.J. Clegg, K.S. Blanks, J.B. Davis and F. Lanckmans, "Crack deflection at porous interfaces", Key Engineering Materials, 132-136 (1997) 1866-1869.

65.

E.A. Nutbrown and W.J. Clegg, "Tough interfaces for oxide laminates", Key Engineering Materials, 132-136, (1997) 2021-2024.

64.

M.I. Crankshaw and W.J. Clegg, " Properties of fibrous preforms", Key Engineering Materials, 132-136, (1997) 1962-1965.

63.

C. Yuan and W.J. Clegg, "The effect of particle size on the thermal shock behaviour of a zirconia refractory stabilised with magnesia", Key Engineering Materials, 132-136 (1997) 627-630.

62.

W.J. Clegg, G.A.J. Amaratunga and R.C. Castle, "Multifunctional ceramic laminates", in 1st International Workshop on Synergy Ceramics, edited by K. Komeya (Japan Fine Ceramic Research Association, Nagoya, 1996), pp. 90-91.

61.

W. Lee, S.J. Howard and W.J. Clegg, "Growth of interface defects and its effect on crack deflection and toughening criteria", Acta  materialia 44[10], (1996) 3905-3922.

60.

W. Lee and W.J. Clegg, "The deflection of cracks at interfaces", Key Engineering Materials, 116-117 (1996) 193-208.

59.

S.J. Howard, R.A. Stewart and W.J. Clegg, "The delamination of ceramic laminates due to residual thermal stresses", Key Engineering Materials, 116-117 (1996) 331-350.

58.

D.T. Steel and W.J. Clegg, "The flow behaviour and formability of microperforated composites containing aligned fibres", in Proceedings of the 7th European Conference on Composite Materials (ECCM 7), Vol. 1 (Institute of Materials, London, 1996), pp. 239-245.

57.

W.J. Clegg, "The development of a new low cost route for making tough ceramics", in Proceedings of the Workshop on Fatigue Design of Materials, edited by J. Sollin (VTT Manufacturing Technology, Espoo, Finland, 1995), pp. 7-12.

56.

W. Lee, A.C.F. Cocks and W.J. Clegg, "An analysis of the growth of interface defects", in Proceedings of the 4th. European Conference on Advanced Materials and Processes (EUROMAT '95),  (Associazione Italiana di Metallurgia, Milano, Venice, Italy, 1995), pp. 605-608.

55.

C.M. Warwick and W.J. Clegg, "Crack deflection at structured interlayers", Ceramics and Engineering Science Proceedings, 16[5] (1995) 847-854.

54.

E.J. Winn, A. Kristoffersson, E. Carlström and W.J. Clegg, "Microstructural development in liquid-phase sintered silicon carbide", in Proceedings of the 4th. European Conference on Advanced Materials and Processes (EUROMAT '95), (Associazione Italiana di Metallurgia, Milano, Venice, 1995), pp. 337-342.

53.

K.S. Blanks and W.J. Clegg, "Thermally stable interlayer materials for silicon carbide laminates", in Proceedings of the 4th. European Conference on Advanced Materials and Processes (EUROMAT '95), Vol. 1 (Associazione Italiana di Metallurgia, Milano, Venice, Italy, 1995), pp. 61-65.

52.

R.A. Stewart, S.J. Howard, R.J. Young and W.J. Clegg, "Residual stresses and delamination during sintering of ceramic laminates", in Proceedings of the 4th. European Conference on Advanced Materials and Processing (EUROMAT '95),  (Associazione Italiana di Metallurgia, Milano, Venice, Italy, 1995), pp. 49-54.

51.

S.K. Pateras, M.C. Shaw, W.J. Clegg, A.C.F. Cocks and T.W. Clyne, "The effect of metal layer thickness on energy absorption during fracture of metal/ceramic laminates", in Proceedings of the 10th International Conference on Composite Materials (I.C.C.M. 10), edited by A. Poursartip and K. Street (Woodhead, Whistler, B.C., Canada, 1995), pp. I731-I738.

50.

W.J. Clegg, S.J. Howard, W. Lee, A.J. Phillipps and R.A. Stewart, "Interfacial cracking in ceramic laminates", Composite Interfaces, 2[5] (1995) 337-349.

49.

S. Pateras, M.C. Shaw, W.J. Clegg and T.W. Clyne, "The effect of interfacial toughness on the failure of metal/ceramic laminates in bending", in Proceedings of Topical Symposium V: High Performance Materials in Engine Technology of the 8th CIMTEC World Ceramics Congress and Forum on New Materials, edited by P. Vincenzini (Associazione di Metallurgia, Florence, Italy, 1994).

48.

S.J. Howard and W.J. Clegg, "Shear failure of SiC/Graphite interfaces", in Proceedings of Topical Symposium III: Advanced Structural Fibre Composites of the 8th CIMTEC World Ceramics Congress and Forum on New Materials, edited by P. Vincenzini (Associazione di Metallurgia, Florence, Italy, 1994), pp. 49-54.

47

C.M. Warwick and W.J. Clegg, "Porous interfaces for ceramic laminates", in Proceedings of Topical Symposium V: High Performance Materials in Engine Technology of the 8th CIMTEC World Ceramics Congress and Forum for New Technologies, edited by P. Vincenzini (Associazione di Metallurgia, Florence, Italy, 1994).

46.

W. Lee and W.J. Clegg , "Observations of crack deflection at interfaces", in Proceedings of Topical Symposium III: Advanced Structural Fibre Composites of the 8th CIMTEC World Ceramics Congress and Forum on New Materials, edited by P. Vincenzini (Associazione di Metallurgia, Florence, Italy, 1994).

45.

R.A. Stewart and W.J. Clegg, "The fabrication and properties of oxide laminates", in Proceedings of Topical Symposium III: Advanced Structural Fibre Composites of the 8th CIMTEC World Ceramics Congress and Forum on New Materials, edited by P. Vincenzini (Associazione di Metallurgia, Florence, Italy, 1994).

44.

A.J. Phillipps, W.J. Clegg and T.W. Clyne, "Failure of layered ceramics in bending and tension", Composites, 25[7] (1993) 524-533.

43.

A.J. Phillipps, W.J. Clegg and T.W. Clyne, "Dynamic effects and interfacial crack propagation", in Proceedings of the 9th International Conference on Comosite Materials (I.C.C.M. 9), Vol. 5, edited by A. Miravete (Elsevier/University of Zaragoza, Madrid, 1993), pp. 803-810.

42.

A.J. Phillipps, S.J. Howard, W.J. Clegg and T.W. Clyne, "The modelling and control of failure in bi-material ceramic laminates", Journal de Physique IV, 3[C7] (1993) 1875-1881.

41.

A.J. Phillipps, W.J. Clegg and T.W. Clyne, "The effect of processing variables on the  interfacial and macroscopic toughness in SiC laminates", Composites, 24 (1993) 166-176.

40.

A.J. Phillipps, W.J. Clegg and T.W. Clyne, "Fracture behaviour of ceramic laminates in bending-II. Comparison of model predictions with experimental data", Acta Metallurgica et Materialia, 41[3] (1993) 819-827.

39.

A.J. Phillipps, W.J. Clegg and T.W. Clyne, "Fracture behaviour of ceramic laminates in bending-I. Modelling of crack propagation", Acta metallurgica et materialia, 41[3] (1993) 805-817.

38.

B. Soylu, N. Adamopolous, W.J. Clegg, D.M. Glowacka and J.E. Evetts, "Composite reaction texturing of Bi-based 2212 compound", in I.E.E.E. Transactions on Applied Superconductivity, 3[1] (1993) Pts 2-4, ch 703, 1131-1134.

37.

W.J. Clegg, "The effect of interfacial thickness on the fracture of laminar composites", in Proceedings 2nd. Conference on Designing Ceramic Interfaces, edited by S.D. Peteves (Petten, Holland, 1993), pp. 381-388.

36.

A.J. Phillipps, W.J. Clegg and T.W. Clyne, "Asymmetry effects in interfacial toughness measurement of SiC laminates by four point bend testing", in 2nd European Conference on Advanced Materials, Euromat '91, Vol. 2, edited by T. W. Clyne and P. J. Withers (Institute of Materials, Cambridge, UK, 1992), pp. 459-468.

35.

W.J. Clegg and L.R. Seddon, "The failure of tough ceramic laminates", in 2nd European Conference on Advanced Materials, Euromat '91, Vol. 2, edited by T. W. Clyne and P. J. Withers (Institute of Materials, Cambridge, UK, 1992), pp. 266-269.

34.

W.J. Clegg, "The fabrication and failure of laminar ceramic composites", Acta Metallurgica et Materialia, 40[11] (1992) 3085-3093.

33.

W.J. Clegg and K. Kendall, "Interfaces in silicon carbide/graphite laminates", in International Workshop on Fine Ceramics 92 - Materials Processing and Design through Better Control of Grain Boundaries: Emphasizing Fine Ceramics, edited by K. Ishizaki, K. Niihara, M. Isotani and R. G. Ford (Elsevier, Nagoya, 1992), Chapter 31, pp 282-292.

32.

N.McN. Alford, K. Kendall, W.J. Clegg and T.W. Button, , "Processing protocols give ceramics the cutting edge", in Physics World, 4 (1991), pp. 26-29.

31.

W.J. Clegg and L.R. Seddon, "Toughening ceramics by laminating composite elements", in 4th. International Symposium on Ceramic Materials and Components for Engines, edited by R. Carlsson, T. Johansson and L. Kahlman, (1992 ) pp. 789-792.

30.

K. Kendall, W.J. Clegg and R.D. Gregory, "Growth of tied cracks: A model for polymer crazing", Journal of Materials Science Letters, 10 (1991) 671-674.

29.

W.J. Clegg, K. Kendall, N.McN. Alford, T.W. Button and J.D. Birchall, , "An inexpensive method for making ceramic composites", in Special Ceramics 9, Vol. 49 (Institute of Ceramics, London, 1990), pp. 263-268.

28.

W.J. Clegg, K. Kendall, N.McN. Alford, J.D. Birchall and T.W. Button, "A simple way to make tough ceramics", Nature, 347 (1990) 455-457.

27.

W.J. Clegg and J.D. Birchall, "The fabrication of ceramic/ceramic composites", in Proceedings of the 4th International Conference on Fibre Reinforced Composites, edited by G. Gibson (Inst. of Mech. Eng., Liverpool, 1990), pp. 179-184.

26.

N.McN. Alford, J.D. Birchall, W.J. Clegg and K. Kendall, "Critical currents of sintered and melt-textured YBa₂Cu₃O_x", Journal of Applied Physics, 65[7] (1989) 2856-2858.

25.

K. Kendall, N.McN. Alford, W.J. Clegg and J.D. Birchall, "Flocculation clustering and weakness of ceramics", Nature, 339[6620] (1989) 130-132.

24.

W.J. Clegg, N.McN. Alford, J.D. Birchall and K. Kendall, "Improved process for making dense vitreous silica from submicrometer particles by sintering near 1000 ^oC", Journal of the American Ceramic Society, 72[3] (1989) 432-36.

23.

K. Kendall, N.McN. Alford, W.J. Clegg and J.D. Birchall, "Advancing ceramics through agglomerate control" in 5th. International Symposium on Agglomeration, edited by M. Cross and R. Oliver (1989), pp. 355-359.

22.

K. Kendall, N.McN. Alford, W.J. Clegg and J.D. Birchall, "High strength and Weibull modulus from colloidal processing of ceramics", in Fabrication Technology: Annual Meeting of the Basic Science Section at 1989 Annual Convention of the Institute of Ceramics, Vol. 79-87 (1989), pp. 79-87.

21.

J.S. Abell, M.S. Colclough, E.M. Forgan, C.E. Gough, C.M. Muirhead, D.A. O'Connor, W.F. Vinen, F. Wellhofer, J.D. Birchall and W.J. Clegg, "Critical currents, magnetization, a.c.-susceptibility and a.c. losses in ceramic superconductors", Physica C, 153[1] (1988) 359-360.

20.

W.J. Clegg, I. Horsfall, J.F. Mason and L. Edwards, "The tensile deformation and fracture of Al-'Saffil' metal matrix composites", Acta metallurgica, 36[8] (1988) 2151-2159.

19.

W.J. Clegg, "A stress analysis of the tensile deformation of metal matrix composites", Acta metallurgica, 36[8] (1988) 2141-2149.

18.

D.J. Eaglesham, C.J. Humphreys, N.McN. Alford, W.J. Clegg, M.A. Harmer and J.D. Birchall, "High-temperature superconducting ceramics", Materials Science and Engineering B-Solid State Materials for Advanced Technology, 1[3-4] (1988) 229-235.

17.

N.McN. Alford, J.D. Birchall, W.J. Clegg, M.A. Harmer, K. Kendall and D.H. Jones, "Physical and mechanical properties of YBa₂Cu₃O_7-d superconductors", Journal of Materials Science, 23[3] (1988) 761-768.

16.

N.McN. Alford, W.J. Clegg, M.A. Harmer, J.D. Birchall, K. Kendall and D.H. Jones, "The effect of density on critical current and oxygen stoichiometry of YBa₂Cu₃O_x superconductors", Nature, 332[6159] (1988) 58-59.

15.

N.McN. Alford, J.D. Birchall, W.J. Clegg, M.A. Harmer, K. Kendall, D.J. Eaglesham, C.J. Humphreys and D.H. Jones, "Processing and properties of high T_c superconductors", in Superconducting Ceramics, Vol. 40 (Institute of Ceramics, Canterbury, UK, 1988), pp. 149-160.

14.

N.McN. Alford, K. Kendall and W.J. Clegg, "Strength, microstructure relation in Al₂O₃ and TiO₂", Advanced Ceramic Materials, 3[2] (1988) 113-117.

13.

W.J. Clegg, I. Horsfall and N.A. Briscoe, "A microstructural study of aluminium d-alumina composites", in Proceedings of the 22nd. Annual Conference of the Microbeam Analysis Society, edited by R. H. Geiss (San Francisco Press, Kona, Hawaii, 1987), pp. 233-236.

12.

W.J. Clegg, N.McN. Alford and J.D. Birchall, "Back stresses and the sintering of composites", in Engineering with Ceramics 2, Vol. 39, edited by R. Freer, S. Newsam, and G. Syers (Institute of Ceramics, London, 1987), pp. 247-254.

11.

N.McN. Alford, K. Kendall and W.J. Clegg, , "Mercury porosimetry for studying ceramic composites", in Engineering with Ceramics 2, Vol. 39, edited by R. Freer, S. Newsam, and G. Syers (Institute of Ceramics, London, 1987), pp. 237-246.

10.

D.J. Eaglesham, C.J. Humphreys, W.J. Clegg, M.A. Harmer, N.McN. Alford and J.D. Birchall, "The orthorhombic and tetragonal phases of Y₁Ba₂Cu₃O_9-y", Advanced Ceramic Materials, 2[3B] (1987) 662-667.

9.

D.J. Eaglesham, C.J. Humphreys, N.McN. Alford, W.J. Clegg, J.D. Birchall and M.A. Harmer, "New phases in the Y-Ba-Cu-O system", Applied Physics Letters, 51[6] (1987) 457-459.

8.

W.J. Clegg, I. Horsfall and J.F. Mason, "Tensile deformation of d-alumina based composites", in Proceedings of the 1st. European Conference on Composite Materials, edited by A. R. Bunsell (Bordeaux, 1985), pp. 744-749.

7.

W.J. Clegg, "On the existence of a threshold stress in diffusional creep", Scripta Metallurgica, 18[8] (1984) 767-771.

6.

W.J. Clegg and J.W. Martin, "Inhibition of diffusional creep by precipitates", in Proceedings of the 4th. Risoe International Symposium on Metallurgy and Materials Science, edited by N.H.J. B. Bilde-Soerensenen, A. Horsewell, T. Leffers and H. Lilholt (Risoe National Laboratory, Risoe, Denmark, 1983), pp. 199-204.

5.

W.J. Clegg, J.A. Rooum and A.K. Mukherjee, "On the role of sliding in deformation and its measurement", Materials Science and Engineering, 57[2] (1983) L31-L34.

4.

W.J. Clegg, J.A. Rooum, and A.K. Mukherjee, "Cavity nucleation during the creep of alpha brass", Journal of Metals, 35[12] (1982) A68.

3.

W.J. Clegg, "On the rate of stress relaxation around grain-boundary particles and its relevance to high-temperature cavity nucleation", Res Mechanica, 5[3] (1982) 237-239.

2.

W.J. Clegg, J.A. Rooum and A.K. Mukherjee, , "A metallographic study of cavitation in a superplastic copper-based alloy", in Proceedings of the 6th. International Conference on the Strength of Metals and Alloys, Vol. 2, edited by R. C. Gifkins (Melbourne, 1981), pp. 689-694.

1.

W.J. Clegg and J.W. Martin, "Diffusion creep threshold in two-phase alloys", Metal Science, 16[1] (1982) 65-72.