0Cr20Ni12Mn5Mo2NbN钢循环应力应变本构关系

详细信息

Constitutive Model of Stress-strain for 0Cr20Ni12Mn5Mo2NbN Steel under Cyclic Loading

摘要: 针对奥氏体0Cr20Ni12Mn5Mo2NbN钢开展了系列应变幅的循环加载试验,分析了其循环应力应变特性,结果表明,循环全过程中真应力和真应变呈指数关系,基于该指数关系提出了描述循环应力应变关系的本构模型:σ=σ₀+α·exp(β·ε)。
- 0Cr20Ni12Mn5Mo2NbN钢 /
- 循环应力应变 /
- 本构关系
Abstract: Cyclic loading tests with variable strain amplitudes were conducted on 0Cr20Ni12Mn5Mo2NbN steel and cyclic stress-strain behavior was analyzed. The results indicated that there was exponent relationship between true stress and true strain. Exponent-strengthen constitutive model for cyclic deformation σ = σ₀+ α·e^βε was proposed based on the above results.
- 0Cr20Ni12Mn5Mo2NbN steel /
- cyclic stress-strain /
- constitutive model