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

页码：1146 / 1149

页数：4

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