Under 4% strain, the number of repeat tensile fatigue rupture is 38560 cycles and the recovery rate keeps up 100%.

在4%的固定应变下，反复拉伸疲劳断裂次数高达38560次，形状回复率为100%。

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From the results of the experiments, a conclusion can be acquired. In terms of J55, its dynamic tensile strain-stress curve is a typical deformation - recovery curve of the rheological metal.

结果证明：对于J55钢，在这一温度范围内的动态拉伸应力-应变曲线，是典型的流变金属的形变-回复曲线。

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