首页> 外文期刊>Materials Science and Engineering >The effect of repeated loadings on the stress relaxation properties of 2.25Cr-1Mo steel at 550 ℃ and the influence on the Feltham 'a' and 'b' parameters
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The effect of repeated loadings on the stress relaxation properties of 2.25Cr-1Mo steel at 550 ℃ and the influence on the Feltham 'a' and 'b' parameters

机译:反复加载对2.25Cr-1Mo钢在550℃时应力松弛性能的影响以及对Feltham'a'和'b'参数的影响

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摘要

This paper describes studies undertaken to evaluate the stress relaxation behaviour of 2.25Cr-1 Mo steel, a material used extensively in high temperature steam components. Repeated stress relaxation loadings were conducted on normalised and tempered 2.25Cr-1Mo steel at 550℃, under constant strain, in a closed loop testing system. Detailed analysis of stress relaxation curves is presented. Application of the data to the Feltham equation for subsequent use in life assessment procedures is discussed and analysed.
机译:本文介绍了为评估2.25Cr-1 Mo钢(一种广泛用于高温蒸汽部件的材料)的应力松弛行为而进行的研究。在闭环测试系统中,在恒定应变下,在550℃的正火和回火2.25Cr-1Mo钢上进行反复的应力松弛加载。给出了应力松弛曲线的详细分析。讨论并分析了将数据应用于Feltham方程以供以后在寿命评估程序中使用的情况。

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  • 来源
    《Materials Science and Engineering》 |2010年第14期|p.3240-3244|共5页
  • 作者单位

    Department of Physics and Advanced Materials, University of Technology, Sydney, PO Box 123, Broadway, Sydney, NSW 2007, Australia Institute of Materials Engineering, Australian Nuclear Science and Technology Organisation, New Illawarra Road, Lucas Heights, NSW 2234, Australia;

    Institute of Materials Engineering, Australian Nuclear Science and Technology Organisation, New Illawarra Road, Lucas Heights, NSW 2234, Australia;

    Department of Physics and Advanced Materials, University of Technology, Sydney, Broadway, NSW 2007, Australia;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    ferritic steels; bainitic; multiaxial stresses; stress relaxation; creep;

    机译:铁素体钢贝氏体多轴应力压力松弛爬行;

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