FRACTURE-TOUGHNESS OF CHEMICALLY VAPOR-DEPOSITED DIAMOND

被引:43
作者
DRORY, MD [1 ]
GARDINIER, CF [1 ]
SPECK, JS [1 ]
机构
[1] UNIV CALIF SANTA BARBARA,COLL ENGN,DEPT MAT,SANTA BARBARA,CA 93106
关键词
FRACTURE TOUGHNESS; DIAMONDS; CHEMICAL VAPOR DEPOSITION (CVD); FILMS; INDENTATION;
D O I
10.1111/j.1151-2916.1991.tb04317.x
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 fracture toughness of chemically vapor-deposited diamond is estimated by a Vickers indentation method. Free-standing diamond films of 400-mu-m thickness are produced with plasma-enhanced chemical vapor deposition and highly polished for indentation testing. Indentation testing was performed with a microhardness tester using a load range of 5 to 8 N. The average fracture toughness is estimated as 5.3 +/- 1.3 MPA.m1/2.
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页码:3148 / 3150
页数:3
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