The paper discusses over the influence exerted by welding residual stress on the static strength, brittle fracture and stress-corrosion cracking of metal structure.
本文介绍了焊接残余应力对金属结构的静强度、脆性断裂以及应力腐蚀开裂的影响。
The stress corrosion mechanism in mixed solutions was studied based on the metallographic observations of scanning fracture shapes and crack extension direction.
根据扫描断口形貌和裂纹扩展途径的金相观察，还探讨了在混合溶液中的应力腐蚀机制。
The pixel-covering method is used to research the fractal character of stress corrosion fracture so as to fit the property of gray images.
分形图像的原始图像一般为灰度图像，针对灰度图像的特点，采用像素点覆盖法，研究了应力腐蚀断口形貌的分形特征。
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