A weight function analysis of R-curve behavior in gradient alumina-zirconia composites

被引：0

作者：

Moon, R ^{[1
]}

Hoffman, M ^{[1
]}

Rödel, J ^{[1
]}

Hilden, J ^{[1
]}

Blanton, W ^{[1
]}

Bowman, K ^{[1
]}

Trumble, K ^{[1
]}

机构：

[1] Univ New S Wales, Sydney, NSW 2052, Australia

来源：

FUNCTIONALLY GRADED MATERIALS 2000 | 2001年 / 114卷

关键词：

D O I：

暂无

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 single-edge-V-notched-beam (SEVNB) testing geometry was used to measure the crack growth resistance (R-curve) behavior of gradient multilaycr alumina-zirconia composites. Fracture mechanics weight function analysis was applied to estimate the change in the apparent fracture toughness as a function of notch position, resulting from residual thermal stress distributions. These results were then used to differentiate the influence of residual stress from other closure stresses attributed to crack bridging on the measured R-curve behavior.

引用

页码：781 / 788

页数：8

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