所属单位：冶金工程学院

发表刊物：Materials and Design (SCI)

关键字：中文关键字：铁白铜;本构方程;流动应力;热变形，英文关键字：Cupronickel alloy; Constitutive equation;Flow stre

摘要：Isothermal compression of BFe10-1-2 cupronickel alloy was carried out on a Gleeble-3800 thermal simulation machine in a wide range of temperatures (1023–1273 K) and strain rates (0.001–10 s1). Then the experimental stress–strain data from isothermal hot compression tests were used to develop the constitutive equation. The effects of temperature and strain rate on deformation behaviors a represented by Zener–Holloman parameter in an exponent-type equation. The strain-dependent constitutive equation of BFe10-1-2 cupronickel alloy was proposed. Subsequently, the correlation coefficient (R) and the average absolute relative error (AARE) were introduced to verify the validity of developed constitutive equation, and values of R and AARE were 0.988 and 5.663% respectively, which indicated that the strain-dependent constitutive equation can lead a good agreement between the calculated and measured flow stresses in the elevated temperature range for the BFe10-1-2 cupronickel alloy.

备注：蔡军

合写作者：苗程鹏,李文兵

第一作者：杨洁,王文,王快社,蔡军

论文类型：期刊论文

卷号：卷：65

期号：期：

页面范围：页：272-279

是否译文：否

发表时间：2015-01-01