Investigating creep behaviour in austenitic stainless steels through synchrotron x-ray tomography

被引：0
|
作者：
Cheong, K. S. [1 ]
Stevens, K. J. [1 ]
Suzuki, Y.
Takeuchi, A.
机构：
[1] Struct Integr Grp, Quest Reliabil Ltd, Lower Hutt 5010, New Zealand
来源：
ADVANCES IN HETEROGENEOUS MATERIAL MECHANICS 2008 | 2008年
关键词：
creep; viscoplasticity; tomography; synchrotron; voids;
D O I：
暂无
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
Synchrotron x-ray tomography at SPring-8 (Japan) using beamline BL20XU has been performed on as-cast and ex-service creep rapture specimens fabricated from a heat-resistant austenitic stainless steel alloy. The material of interest typically used in steam reforming tubing. Synchrotron x-ray tomography was applied to quantify the extent of creep damage in terms of void volume fraction and distribution throughout the specimens in a non-destructive manner. Preliminary results indicate an increase in void density and radial alignment of voids in the centre of both samples. Finite-element modeling results indicate a similar trend and the results are discussed.
引用
收藏
页码：1146 / 1149
页数：4
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