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保载应力和加载速率对316H不锈钢蠕变行为的影响

姜恒 江慧丰 范志超 陈学东

压力容器2011,Vol.28Issue(8):6-10,5.
压力容器2011,Vol.28Issue(8):6-10,5.DOI:10.3969/j.issn.1001-4837.2011.08.002

保载应力和加载速率对316H不锈钢蠕变行为的影响

Influence of Dwell Stress and Loading Rate on the Creep Behavior of 316H Stainless Steel

姜恒 1江慧丰 1范志超 1陈学东1

作者信息

  • 1. 合肥通用机械研究院国家压力容器与管道安全工程技术研究中心,安徽合肥230031
  • 折叠

摘要

Abstract

A series of creep tests were carried out, and the influence of dwell stress and loading rates on the creep behavior/life was investigated. It was found that the creep behavior was significantly influenced by the dwell stress. When conducting the creep damage evaluation for high temperature structures, the effect of dwell stress should be considered for the determination of creep strain rate and creep ductility. And the loading rate before dwell may also influence the creep behavior, especially for the low loading rate. Hence, the low loading rate should be considered when conducting the creep damage evaluation for high temperature structures.

关键词

蠕变/加载速率/316H

Key words

creep/loading rate/316H

分类

能源科技

引用本文复制引用

姜恒,江慧丰,范志超,陈学东..保载应力和加载速率对316H不锈钢蠕变行为的影响[J].压力容器,2011,28(8):6-10,5.

基金项目

国家863项目(2009AA044800):国际合作项目(2010DFB42960) (2009AA044800)

压力容器

OACSTPCD

1001-4837

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