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在钢材静力拉伸试验测定其机械性能时，常用应力-应变曲线来表示。其中纵坐标为名义应力，试解释何谓名义应力？
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在钢材静力拉伸试验测定其机械性能时，常用应力-应变曲线来表示。其中纵坐标为名义应力，试解释何谓名义应力？
时间：2021-12-31 03:58
关键词：
第二章钢结构的材料
机械工程
大学试题
工学
答案解析
<p> 所谓名义应力即为试件横截面上的名义应力<img src="http://que-oss.fenziquan.com/web/akimg/asource/2014091110114236447.jpg">为试件的受拉荷载和原横截面面积)</p>
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为什么钢材的单向均匀拉伸试验是钢材机械性能的常用试验方法？
在钢材静力拉伸试验测定其机械性能时，常用应力-应变曲线来表示。其中纵坐标为名义应力，试解释何谓名义应力？
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