By using the model, the effects of tempering degree and glass thickness, as well as the crack growths are discussed.
通过该模型，对钢化程度、玻璃厚度以及裂纹尺寸对玻璃强度和裂纹扩展的影响进行了讨论。
The low content of alloying elements (Mo, V) and tempering insufficiency of parts also affect the generation of the crack. Preventive measures are proposed to decrease or eliminate the crack.
合金元素钼、钒含量偏低，工件热处理回火不充分也会影响到裂纹的产生，并提出了相应的预防措施。
It is found that the steel resistances to fatigue crack growth increase with the rising of the tempering temperature when it is higher than the second hardening peak temperature.
发现高于二次硬比峰温度回火时，此钢的疲劳裂纹扩展阻力随回火温度升高而增加。
Tempering temperature remarkably affect the threshold value of fatigue crack propagation.
回火温度对该钢的疲劳裂纹门槛值影响显著。
Tempering temperature remarkably affect the threshold value of fatigue crack propagation.
回火温度对该钢的疲劳裂纹门槛值影响显著。
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