strain hardening exponent n
strain hardening exponent n
应变硬化指数n
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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This paper has studied the changes about tensile strain hardening exponent (n-value) in three kinds of st steels by testing n-values and found changing tendency of them.
进行三种ST钢的应变硬化指数n值试验，分析试验结果，研究n值在整个应变区间的变化趋势。
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