檢視屈服应力的原始碼

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| style="background: #FF2400" align= center|  '''<big>屈服应力</big>'''
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|<center><img src=https://img2.baidu.com/it/u=1413701497,2744519296&fm=253&fmt=auto&app=138&f=JPEG?w=600&h=498 width="300"></center>
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| style="background: #FF2400" align= center|  '''<big></big>'''

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中文名;屈服应力

外文名;yield stress

别称;流动应力

含 义;使材料发生屈服时的正应力

影响因素;温度、变形速度、应力状态等

学 科;材料力学
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在[[材料]]拉伸或压缩过程中，当应力达到一定值时，应力有微小的增加，而应变却急剧增长的现象，称为屈服，使材料发生屈服时的正应力就是材料的'''屈服应力'''。流体的屈服应力是指对于某些非牛顿流体，施加的[[剪应力]]较小时流体只发生变形，不产生流动。当剪应力增大到某一定值时流体才开始流动，此时的剪应力称为该流体的屈服应力。<ref>[https://www.yiqi.com/citiao/detail_688.html 屈服应力是什么_混凝土屈服应力计算],仪器网 , 2018年6月8日</ref>