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材料研究学报  1990, Vol. 4 Issue (5): 381-386    
  研究论文 本期目录 | 过刊浏览 |
Hill塑性应变比的取值数模
周维贤
西北工业大学
A MODEL TO CALCULATE THE HILL'S PLASTIC STRAIN RATIO OF SHEET METALS
ZHOU Weixian(Northwestern Polytechnical University)
引用本文:

周维贤. Hill塑性应变比的取值数模[J]. 材料研究学报, 1990, 4(5): 381-386.
. A MODEL TO CALCULATE THE HILL'S PLASTIC STRAIN RATIO OF SHEET METALS[J]. Chin J Mater Res, 1990, 4(5): 381-386.

全文: PDF(399 KB)  
摘要: 根据实验资料,板材的Hill 塑性应变比不一定都是与变形大小无关的常数。为此,本文提出的取值数模。能兼容Hill 塑性应变比是常量或是变量的情况。对某些材料的应用表明了本数模是适用的,它能表达Hill 塑性应变比的变化情况。
关键词 塑性应变比变量取值数模    
Abstract:According to the experimental data the values of Hill′s plastic strain ratio,γ,for different kinds of sheet metals are not at all certain a constant independent fromstrain magnitude.Therefore a general model to calculate γ-value is developed in the presen
Key wordsplastic strain ratio    variable    model to determine value
收稿日期: 1990-10-25     
基金资助:国家自然科学基金 5860304
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4 Welch P I,Ratke L,Bune H J.Sheet Metal Indust,1983;60(10) :594
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