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<p>A&#xa0;computational model is constructed to study the effect of operational material degradation on the residual life of a&#xa0;composite bimetallic plate at high temperature and under long-term static loading. The model is based on a&#xa0;differential equation, which describes the growth of a&#xa0;high-temperature creep crack and contains the parameters of material degradation. The residual life of the composite plate is estimated in the case when it consists of 12Kh1MF steel and IN-100 alloy.</p>

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Residual life of the folded bimetal plate taking into account degradation of materials at high temperature and under long-term loading

  • 期刊论文

  • 发表日期：

    2025年3月1日

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  • O. Ye. Andreikiv,
  • I. Ya Dolinska,
  • A. V. Babii,
  • M. O. Liubchak

摘要

A computational model is constructed to study the effect of operational material degradation on the residual life of a composite bimetallic plate at high temperature and under long-term static loading. The model is based on a differential equation, which describes the growth of a high-temperature creep crack and contains the parameters of material degradation. The residual life of the composite plate is estimated in the case when it consists of 12Kh1MF steel and IN-100 alloy.