Journal Article10.1111/J.1151-2916.1976.TB10991.X
Fracture Toughness Determinations by Indentation
Anthony G. Evans,E. A. Charles +1 more
2.1K
About: This article is published in Journal of the American Ceramic Society. The article was published on 01 Jul 1976. The article focuses on the topics: Indentation & Fracture toughness.
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Citations
A ductility metric for refractory-based multi-principal-element alloys
Prashant Singh,Brent Vela,Gaoyuan Ouyang,Nicolas Argibay,Jun Cui,Raymundo Arroyave,Duane D. Johnson +6 more
TL;DR: In this article , a quantum-mechanical dimensionless metric, Local-Lattice Distortion (LLD), was proposed to predict ductile-to-brittle ductility in refractory multi-principal-element alloys.
27
Determination of fracture toughness of human permanent and primary enamel using an indentation microfracture method
TL;DR: The fracture toughness and Vickers microhardness number of permanent and primary human enamel was highest in the middle portion of permanent enamel, because fracture toughness greatly depends upon microstructure.
27
Adhesion Testing Of Glass-Ceramic Thick-Films On Metal Substrates
Ian Ashcroft,Brian Derby +1 more
TL;DR: In this paper, the adhesion of glass-ceramic films bonded to metal substrates was measured using five different tests: tensile delamination using a bonded stud, scratch testing, an interfacial shear test, indentation and a bend test.
27
A new parameter for assessment of ceramic wear
TL;DR: In this article, a non-dimensional parameter, S cf, is proposed to estimate the wear rate of ceramics and is defined as S cf = P√(1+μ 2 )a K IC S cf is given as a function of normal pressure, fracture toughness of materials, crack length (the degree of surface defect of materials) and friction coefficient in the contact region.
27
A reinvestigation of the validity of the indentation fracture (IF) method as applied to ceramics
TL;DR: The findings indicate that the standard objections against the use of the IF model are not well supported, and also that the majority of the empirically-derived calibration constants used in various IF equations are suspect.
27
References
The mathematical Theory of Plasticity
E. A. de Souza Neto,Djordje Perić,David R. Owen +2 more
- 04 Dec 2008
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Electron microscopy of microcracking about indentations in aluminium oxide and silicon carbide
Bernard J. Hockey,Brian R. Lawn +1 more
TL;DR: In this article, the authors examined the nature of microcracking about small-scale indentations in two highly brittle solids, sapphire and carborundum, and found that cleavage steps comprise the main source of obstruction to lattice restoration across the interfaces.
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Quasi-Static Solid Particle Damage in Brittle Materials.
A. G. Evans,T. R. Wilshaw,J. C. Chesnutt,H. Nadler +3 more
- 14 Feb 1976
TL;DR: In this article, a three part study of indentation fracture in the plastic contact regime is presented, where the first part summarizes the observations of fracture and develops a fracture classification scheme, the second part discusses the implications of the fracture characterization for fracture toughness determinations, and abrasive wear and low velocity erosion prediction.
17
A simple method for studying slow crack growth.
D. P. Williams,A. G. Evans +1 more
TL;DR: In this article, a simple method for studying slow crack growth is described, which entails measurements of load relaxation at constant displacement using a double torsion specimen, and it is demonstrated that the data generated using this technique are in excellent agreement with data obtained using the more complex conventional techniques, for a range of materials - steel, titanium, glass, aluminum oxide, PMMA.