The results show that the matrix in the microstructure occurs dynamic recovery and recrystallization and the materials generate cyclic softening during thermal cycling.
结果表明，在热循环过程中基体组织发生动态回复和再结晶，材料产生循环软化；
At lower annealing temperature obtain high strength and high yield ratio showed cyclic softening feature easily. That is detrimental to the using life of coiled tubing.
较低退火温度获得高强度、高屈强比易表现出循环软化特征，不利于提高连续油管的疲劳寿命。
Then, a logic computational diagram is constructed for calculating diametral growth by assuming fatigue cyclic softening, namely yield strength reduction as tubing fatigues.
再通过合理的假设，建立用于计算直径增长的计算机逻辑框图。
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。
Based on the results of cyclic softening and cyclic creeping tests at room temperature, the resilient relaxation tendency of the most commonly used spring steels were discussed in the paper.
本文从循环软化和循环蠕变两个不同侧面对常用弹簧钢的弹性松弛趋势进行了对比试验研究并对它们的弹性松弛趋势大小进行了初步评价。
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。
The mechanism of induced anisotropy, dilatancy, shear softening and cyclic mobility was discussed from the viewpoint of micro-mechanism.
感应各向异性，剪胀，剪切软化和循环流动的机制，从微观机制的观点出发，进行了讨论。
The mechanism of induced anisotropy, dilatancy, shear softening and cyclic mobility was discussed from the viewpoint of micro-mechanism.
感应各向异性，剪胀，剪切软化和循环流动的机制，从微观机制的观点出发，进行了讨论。
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