Residual monotonic stress–strain property of Q690 high-strength steel: Experimental investigation and constitutive model

Xuanyi Xue,Ziheng Ding,Lepeng Huang,Jianmin Hua,Neng Wang

Construction and Building Materials（2023）

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摘要

•Residual mechanical properties of fatigue-damaged high-strength steel determined.•Predictive equations proposed for key mechanical parameters with fatigue damage.•Constitutive model proposed to quantify stress–strain curve with fatigue damage.

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关键词

Low-cycle fatigue, Monotonicstress-strain property, Constitutive model, High-strength steel, Pre-fatigue damage

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