6) 真应力-真应变曲线(true stress-strain curve) 真应力-真应变曲线的特点是应力随着应变量的增加而升高，这说明材料在变形过程中的加工硬化现象，它能更正确地反映出材料的物理...
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通过单道次压缩热模拟试验，得到了BS 700 MC的真应力-真应变曲线。
Through single pass thermo-simulation compression experiment, the true stress-strain curves were obtained for BS700MC.
该材料的真应力-真应变曲线由应力激增阶段、应力下降阶段、稳态阶段和应力增加阶段组成；
There were drastic increase of true stress, drastic falling of true stress, steady stage and increase of true stress in its true stress-strain curve.
随应变速率升高，真应力-真应变曲线特征从“平缓”型向“锯齿”型转变，材料热变形软化特征增强。
As the rise of the strain rate, the feature of the true stress - true strain curve changed from "flat" to "serration", and the thermal deformation softening feature was reinforced.
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