Effect of load-dependence of hardness on indentation toughness determination for soda-lime glass

By analyzing the indentation data on soda-lime glass, it was found that, in the indentation toughness determination with the basic equation proposed by Anstis et al. [G.R. Anstis, P. Chantikul, B.R. Lawn, D.B. Marshall, J. Am. Ceram. Soc. 64 (1981) 533], treating the measured hardness as a constant...

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Veröffentlicht in:	Journal of non-crystalline solids 2001-04, Vol.282 (2), p.325-328
Hauptverfasser:	Gong, Jianghong, Si, Wenjie, Guan, Zhenduo
Format:	Artikel
Sprache:	eng
Schlagworte:	Condensed matter: structure, mechanical and thermal properties Disordered solids Exact sciences and technology Fatigue, brittleness, fracture, and cracks Glasses Mechanical and acoustical properties of condensed matter Mechanical properties of solids Physics Structure of solids and liquids crystallography Tribology and hardness
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Zusammenfassung:	By analyzing the indentation data on soda-lime glass, it was found that, in the indentation toughness determination with the basic equation proposed by Anstis et al. [G.R. Anstis, P. Chantikul, B.R. Lawn, D.B. Marshall, J. Am. Ceram. Soc. 64 (1981) 533], treating the measured hardness as a constant would result in an indentation-load-dependent toughness number. A modified toughness equation was then proposed in which a load-independent hardness number was incorporated.
ISSN:	0022-3093 1873-4812
DOI:	10.1016/S0022-3093(01)00341-6