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首页> 外文期刊>Materials at High Temperatures >Creep fracture behaviour of SUS304H steel with vanadium addition based on small punch creep testing
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Creep fracture behaviour of SUS304H steel with vanadium addition based on small punch creep testing

机译：基于小拳击蠕变试验的钒加入SUS304H钢的蠕变断裂行为

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摘要

The high-temperature creep fracture behaviour and creep strength of SUS 304H containing a minor addition of V were investigated in this study. A series of small punch (SP) creep and uniaxial creep tests were performed at 700 degrees C. The load and punch displacement rates obtained from the SP creep tests were used to derive conversion equations to determine the equivalent stress and creep strain rates. A converting equation is suggested in this study so that Norton's secondary power law creep constants obtained from the SP creep testing can be in agreement with those obtained from the uniaxial tensile creep tests. The creep strength of the modified SUS 304H steel containing V was shown to be superior to that without V based on the current results and other available results for type 304H steel.
机译：在本研究中研究了含有次要添加v的SUS 304h的高温蠕变断裂行为和蠕变强度。 在700℃下进行一系列小冲孔（SP）蠕变和单轴蠕变试验。从SP蠕变试验获得的负载和打孔率用于导出转换方程以确定等效应力和蠕变应变速率。 在本研究中提出了一种转换式等式，因此从SP蠕变测试获得的诺顿的二次电力法蠕变常数可以与从单轴拉伸蠕变试验中获得的那些一致。 根据电流结果和304h型钢的其他可用结果，显示含有V的改性SU30H钢的蠕变强度优于没有V.

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