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。
The formation and propagation mechanism of the cracks is discus - sed and the cause for the stress corrosion fracture in the brass pipe is elucidated.
文中讨论了裂纹的形成和传播机制，并阐明了铜管出现应力腐蚀破裂的原因。
The mechanism of the shat-blast enhancing technology and its eldest on improving resisfemle to fatigue and stress corrosion fracture are describe briefly in this paper.
本文简要介绍喷丸强化工艺的机理，及在改善金属零部件疲劳断裂和应力腐蚀断裂抗力中的强化效果；
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 results show that stress corrosion and corrosion fatigue are the main causes for the fracture failure.
结果表明，断裂失效的原因主要是应力腐蚀和腐蚀疲劳。
Scanning electron microscopy analysis on blade fracture shows: the fracture is characterized by cleavage, quasi-cleavage and stress corrosion and so on.
对叶片断口扫描电镜分析显示，断口具有准解理、韧窝、应力腐蚀等复杂特征。
The stress corrosion cracking sensitivity of the steel was low, and the fractography of its stress corrosion cracking showed transgranular and quasi-cleavage fracture with secondary cracks.
研究表明该钢具有较好的抗应力腐蚀性能，其应力腐蚀断裂形貌为穿晶、解理断裂，并有二次裂纹。
The stress corrosion and intercrystalline corrosion of 690TT alloy are tested in the article. Besides it's organization and fracture etc are also analysed.
对690TT合金的应力腐蚀和晶间腐蚀进行了试验，另外对其组织及断口等也进行了分析。
A new method of testing the critical stress intensity factor for stress corrosion cracking based on linear-elastic fracture mechanics theory and stress corrosion cracking theory was put forward.
应力腐蚀临界应力强度因子的测试方法是基于线弹性继裂力学理论和应力腐蚀理论提出的一种新的测试方法。
When the plating exist defect, the gold-plating nickel -plating both promote the stress - corrosion fracture of Kovar alloy.
在镀层存在缺陷时，镀金、镀镍层均促进柯伐合金的应力腐蚀开裂。
The fracture and the surface of a hip joint fractured invivo has been studied by SEM. It is concluded that the fracture was due to corrosion fatigue cracking by bending stress.
利用SEM对实际使用时断裂的髋关节的断口和表面进行了分析，认为此关节的断裂为以弯曲应力为主的腐蚀疲劳断裂。
The rupture reasons of tube joint weld of the stainless steel pressure meter are analyzed. It is characteristic of stress corrosion cracking and inter granular fracture.
分析了不锈钢压力表管接头焊缝开裂的原因，认为此种开裂具有应力腐蚀开裂、沿晶断裂特征。
It is one of surface strengthening technology which is used to improve the resistance of fatigue fracture and stress corrosion cracking of metalic parts and components.
它是用来改善金属零构件疲劳和应力腐蚀断裂抗力的一种表面强化工艺。
For fracture rock, the fracture stress will be reduced and the crack length will increase under the chemical corrosion.
对于裂隙岩体来说，化学溶液的腐蚀则主要体现在断裂应力的减小和裂隙的增大。
Brittle fracture is a stress corrosion cracking phenomenon which occurs in high voltage composite insulators. Previous studies all focused on the source of the "corrosion" medium, e. g. the acid.
脆断是高电压复合绝缘子发生的应力腐蚀断裂现象，国内外的研究基本集中在“腐蚀”介质酸的来源上。
When defect exists in the plating the gold-plating, nickel-plating both promote the stress-corrosion fracture of the Kovar alloy.
在镀层有缺陷时，镀金、镀镍层均促进可伐合金的应力腐蚀开裂。
When defect exists in the plating the gold-plating, nickel-plating both promote the stress-corrosion fracture of the Kovar alloy.
在镀层有缺陷时，镀金、镀镍层均促进可伐合金的应力腐蚀开裂。
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