Instrumented indentation study of materials edge chipping

被引：17
作者：
Zakiev, Islam [1 ]
Storchak, Michael [2 ]
Gogotsi, George A. [3 ]
Zakiev, Vadim [1 ]
Kokoieva, Yuliia [4 ]
机构：
[1] Natl Aviat Univ, Ave Liubomyra Huzara 1, UA-03058 Kiev, Ukraine
[2] Univ Stuttgart, Inst Machine Tools, Holzgartenstr 17, D-70174 Stuttgart, Germany
[3] Pisarenko Inst Problems Strength, Timiryazevskaya Str 2, UA-01014 Kiev, Ukraine
[4] Shupyk Natl Med Acad Postgrad Educ, Inst Dent, Dorogozhytska St 9, UA-04112 Kiev, Ukraine
来源：
CERAMICS INTERNATIONAL | 2021年 / 47卷 / 21期
关键词：
Brittle materials; Edge chipping; Micro indentation; Edge toughness; CROSS-SECTIONAL NANOINDENTATION; FRACTURE-RESISTANCE; MECHANICAL-PROPERTIES; BRITTLE MATERIALS; ELASTIC-MODULUS; THIN-FILM; TOUGHNESS; CERAMICS; GLASS; HARDNESS;
D O I：
10.1016/j.ceramint.2021.07.133
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The resistance to local fracture of brittle materials is currently characterized by the value of edge toughness. An "instrumented micro-edge chipping" (IMEC) is proposed and tested. This test was carried out on various brittle materials: light krone glass LK-5, polycrystalline silicon Si, partially stabilized dioxide zirconium ceramic TS and tetragonal dioxide zirconium ceramic Y-TZP. IMEC test provides a closer correlation between the edge toughness Fr values at different values of the distance L between the test specimen edge and the indentation point than with the macro-EF test. Comparison of the macro-EF and IMEC tests for studied materials showed the almost identical trend in the ratio of the edge toughness values for all the studied materials. It was found that there is a significant time from the moment of crack formation to the full realization of the edge chip. The duration of the chip process is different for the studied materials.
引用
收藏
页码：29638 / 29645
页数：8
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