- 脆裂
- 脆性裂纹
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brittle crack中文什么意思
例句与用法
- Abstract : the article analyzes the influence of failure of heat treatment process and equipment for mn13 steel join , and offeres the method of preventing the part slitting and brittle cracking
文摘:分析了热处理工艺和设备对高锰钢端头缺陷的影响，提出了防止高锰钢端头脆性开裂的措施。 - : 36 < kth < 37 mpa / m3 / 2 , 42 < kih < 44mpa / m3 / 2 , 51 < kc < 52 mpa / m3 / 2 through the sem fractography , it is know that the susceptibility to brittle failure at room temperature is more than below 100 ? . and the susceptibility to brittle failure increase with hydrogen increasing , under the sustained loading , ductile cracking appears . the quantity of brittle cracking is more with crack growth
T44mpa m ‘ q ， sl lt52mpa in ’ ”断口分析表明，该合金充氢后其室温时的氢脆敏感性大于100oc时的氢脆敏感性；且随氢含量升高，氢脆敏感性增加：在恒载荷的作用下，该合金裂二纹开始扩展时显示的是韧性起裂；随裂纹增长，试样脆性断裂的比例增大。 - The electrical cut scanning mirror shows : this bilinear behavior results from different cracking ways under high and low strain amplitudes , that is , elastic cracking and brittle cracking respectively . cyclic hysteresis energy is an important fatigue parameter . the total cyclic hysteresis energy of gh4145 / sq increases gradually as strain amplitude goes from 1 % to 0 . 5 % , but it decreases when strain amplitude is lower than 0 . 5 %
在高温低周疲劳下， gh4145 / sq合金的循环滞?能具有如下特征：在1 0 . 5应变幅范围内，循环总滞?能是一个逐渐增大的过程，而当应变幅小于0 . 5时，总滞?能随应变幅减小而趋于减小；半寿命处的循环滞迥能和总滞?能与寿命之间的关系曲线表现出双线性特征，转折点对应0 . 5应变幅。