Figure 17 is a scanning electron microscope view of a typical hydrogen embrittlement crack where separation occurs along grain boundaries.
图17示意了用电子显微镜扫描出的沿晶粒边界产生的氢脆裂纹。
Through the comprehensive analysis, the result shows that crack failure reason is embrittlement of the austenite stainless steel at high temperature.
通过综合分析指出对流管发生失效的原因是奥氏体不锈钢长期在高温下工作引起的热脆化开裂。
Mechanism of reheat embrittlement and reheat crack is the same. Reheat embrittlement cannot be avoided by reducing stress.
再热裂纹与再热脆化的机理相同，两者同时发生，降低应力防止再热裂纹并不能防止再热脆化。
It is shown that the humid air enhances fatigue crack growth and increases embrittlement in aluminium alloys.
湿空气促进铝合金疲劳裂纹生长和增加合金的脆性。
The results show that the one-step temper embrittlement (OSTE) is the main factor to cause the crack of engine exhaust pipe washers.
对开裂的发动机排气歧管垫片进行了失效分析，发现产生第一类回火脆性是导致垫片开裂的原因。
The results show that the one-step temper embrittlement (OSTE) is the main factor to cause the crack of engine exhaust pipe washers.
对开裂的发动机排气歧管垫片进行了失效分析，发现产生第一类回火脆性是导致垫片开裂的原因。
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