Determining the Fracture Toughness of Alumina Ceramics from Vickers Indentations

被引：0
|
作者：
Curkovic, Lidija [1 ,2 ]
Rede, Vera [3 ,4 ]
Grilec, Kresimir [5 ]
Lalic, Marijo [2 ]
机构：
[1] Univ Zagreb, Fac Chem Engn, Dept Analyt Chem, Zagreb 41000, Croatia
[2] Univ Zagreb, Fac Mech Engn & Naval Architecture, Dept Mat, Zagreb 41000, Croatia
[3] Nikola Tesla, Zagreb, Croatia
[4] Univ Zagreb, Fac Mech Engn & Naval Architecture, Dept Mat Engn, Zagreb 41000, Croatia
[5] Sch Mech Engn, Zagreb, Croatia
来源：
MATERIALS TESTING-MATERIALS AND COMPONENTS TECHNOLOGY AND APPLICATION | 2009年 / 51卷 / 04期
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D O I：
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中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Many methods are currently used to measure fracture toughness of ceramic materials. Due to its simplicity, its non-destructive nature, and the fact that minimal machining is required to prepare the sample, the use of the Vickers hardness indentations to measure fracture toughness (K(IC)) has become quite popular. The aim of the present work is to investigate the hardness from Vickers indentations and the fracture toughness based on crack-length measurements of cracks introduced into the sample surface of cold isostatically pressed (CIP)-Al(2)O(3) with 99.8 % purity.
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页码：199 / 202
页数：4
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