沿着晶界发生的应力腐蚀开裂。
Stress corrosion cracking in which the cracking occurs along grain boundaries.
在拉应力和腐蚀介质的共同作用下引起设备开裂的现象时有发生。
Affected by tensile stress together with corrosion medium, cracking phenomenon in equipment occasionally happens.
碱线开裂是应力腐蚀开裂的现象，发生应力腐蚀开裂需具备环境因素、材料因素、应力因素。
The craze of alkali pipeline is caused by corrosion of stress, and it has to possess environment, material and stress factors.
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