cyclic hardening and softening 循环硬化与软化
The results showed that the characteristics of cyclic hardening or softening depend to the strain loading paths and the loading parameters.
研究结果表明，低周拉扭疲劳加载下，拉与扭应力响应的硬化与软化特性取决于应变加载路径和加载参数。
Its cyclic properties first show cyclic softening, after stabilizing, then cyclic hardening. The state of cyclic softening and cyclic hardening will vary along with strain level.
其循环相关特性表现为先循环软化，稳定后又发生循环硬化，而且循环软化和循环硬化的程度随控制应变的不同而不同。
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