铬铜热变形流动应力的实验研究  

FLOW STRESS OF CHROM COPPER AT HOT DEFORMATION

作　　者：樊百林[1] 管克智[1] 周纪华[1] 

机构地区：[1]北京科技大学

出　　处：《塑性工程学报》1996年第3期1-8,共8页Journal of Plasticity Engineering

摘　　要：采用恒变形率凸轮压缩试验机对铬铜的流动应力进行了实验研究，分析了变形温度、变形速率、变形程度对流动应力的影响，同时对不同的数学模型结构进行了非线性回归，通过分析比较，提出了拟合精度高的流动应力数学模型。This paper studies the flow stress of chrom copper by experiment with the cam plastometer at a constant deformating rate, and analyses the effeets of flow stress under different deformation temperatures,different deformation rates and different deformation degrees. At the same time, non-linear regression to mathematical models of different structure were conducted. Through analysis and comparision, mathematical model with higher fitting accuracy was proposed.

关 键 词：铬铜 流动应力 数学模型 热变形 

分 类 号：TG146.11[一般工业技术—材料科学与工程] TG111.3[金属学及工艺—金属材料]