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首页> 外文期刊>Mathematical Problems in Engineering >Elastic-Plastic Endochronic Constitutive Model of 0Cr17Ni4Cu4Nb Stainless Steels
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Elastic-Plastic Endochronic Constitutive Model of 0Cr17Ni4Cu4Nb Stainless Steels

机译：0Cr17Ni4Cu4Nb不锈钢的弹塑性内时本构模型

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摘要

We presented an elastic-plastic endochronic constitutive model of 0Crl7Ni4Cu4Nb stainless steel based on the plastic endochronic theory (which does not need the yield surface) and experimental stress-strain curves. The key feature of the model is that it can precisely describe the relation of stress and strain under various loading histories, including uniaxial tension, cyclic loading-unloading, cyclic asymmetric-stress axial tension and compression, and cyclic asymmetric-stress axial tension and compression. The effects of both mean stress and amplitude of stress on hysteresis loop based on the elastic-plastic endochronic constitutive model were investigated. Compared with the experimental and calculated results, it is demonstrated that there was a good agreement between the model and the experiments. Therefore, the elastic-plastic endochronic constitutive model provides a method for the accurate prediction of mechanical behaviors of 0Crl7Ni4Cu4Nb stainless steel subjected to various loadings.
机译：基于塑性内在理论（不需要屈服面）和实验应力-应变曲线，我们提出了0Crl7Ni4Cu4Nb不锈钢的弹塑性内在本构模型。该模型的关键特征是它可以精确地描述各种载荷历史下的应力与应变的关系，包括单轴拉力，循环载荷-卸载，循环非对称应力轴向拉力和压缩以及循环非对称应力轴向拉力和压缩。 。基于弹塑性内时本构模型，研究了平均应力和应力幅值对磁滞回线的影响。与实验和计算结果相比，表明模型与实验之间有很好的一致性。因此，弹塑性内部时间本构模型提供了一种精确预测0Crl7Ni4Cu4Nb不锈钢在各种载荷下的力学行为的方法。

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  • 来源
    《Mathematical Problems in Engineering》 |2016年第2期|4396296.1-4396296.6|共6页
  • 作者

    Guo Jinquan; Wu Lianping; Yang Xiaoxiang; Zhong Shuncong;

  • 作者单位

    Fuzhou Univ, Sch Mech Engn & Automat, Fuzhou 350108, Peoples R China;

    Fuzhou Univ, Sch Mech Engn & Automat, Fuzhou 350108, Peoples R China;

    Fuzhou Univ, Sch Mech Engn & Automat, Fuzhou 350108, Peoples R China;

    Fuzhou Univ, Sch Mech Engn & Automat, Fuzhou 350108, Peoples R China|Univ Strathclyde, Dept Naval Architecture Ocean & Marine Engn, Glasgow G4 0LZ, Lanark, Scotland;

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