Fatigue tests were performed using the 3d dumbbell specimens with different levels of maximum strain and hardness.
使用具有不同最大应变和各种硬度的3d哑铃状试样进行了疲劳试验。
The point of intersection of elastic line and plastic line moves toward the low cycle life with the hardness of the spring steel raised after tempering from the strain fatigue curve.
在应变疲劳曲线上，弹性线和塑性线的交点随弹簧钢回火后硬度的升高而向低循环寿命移动；
With the strain aging temperature increasing, strength and hardness increases, plasticity and toughness decreases, yield ratio has the ascending trend, hardening index decreases.
随着应变时效温度升高，强度和硬度增加，塑性和韧性下降，屈强比呈升高的趋势，形变强化指数降低。
The creep strain rate sensitivity can be determined from the relationship between the creep hardness and creep strain rate by the definition of "work of indentation".
基于压痕做功概念定义了压痕蠕变硬度和蠕变应变速率，从而给出钎料的蠕变速率敏感指数。
Compared with the thread obtained by cutting process, the shear strain and hardness of 304 steel pipe thread has been increased significantly after rolling process.
与套丝加工相比，滚压加工后304钢管螺纹的抗剪拉力和硬度均有大幅提高。
Results showed that the hardness level of drying schedules had much influence on both the drying strain developed and the time when it reached its maximum value.
结果表明，基准硬度水平对应变值的大小和最大应变值的到达时间有显著影响。
The wear resistance of wheel steels is not affected by strain hardening under rolling/sliding conditions, while it is dominated by the pre-hardness of wheel steels.
滚滑条件下，车轮材料应变硬化程度的高低不影响车轮材料的抗磨损性能，试验前车轮材料初始硬度的高低是决定其抗磨损性能的主要因素。
Displaed strain regions by the flow lines, network changes and hardness distributions show a good agreement with theoretical analysis.
试样的流线、网格变化及硬度分布所显示的变形区范围和理论分析一致。
Displaed strain regions by the flow lines, network changes and hardness distributions show a good agreement with theoretical analysis.
试样的流线、网格变化及硬度分布所显示的变形区范围和理论分析一致。
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