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基于简单试验条件下测得的单调拉伸性能参数,同时考虑应变、温度和应力对热机械疲劳应力—应变关系的影响因素,建立了热机械疲劳应力—应变本构关系模型。试验结果表明,本文建立的模型与试验曲线相吻合。
Based on the monotonic tensile parameters measured under the simple test conditions and considering the influence factors of strain, temperature and stress on the thermo-mechanical fatigue stress-strain relationship, a thermomechanical fatigue stress-strain constitutive model was established. The experimental results show that the model established in this paper is consistent with the experimental curve.