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- Results show that the brittle fracture is mainly caused by hydrogen brittleness that results from the oxidation arid absorbing hydrogen of copper tube during braze welding. 同时在加热和冷却时，由于异种材料的热胀系数差别过大，产生的较大热应力作用于已存在的裂纹，促使裂纹二次扩展，甚至使得晶粒脱落产生空洞，最终导致焊接接头漏气失效。
- hydrogen brittleness fracture 氢脆断裂
- Hydrogen Brittle Fracture Analysis of Two Specimens in Different Conditions 两种零件不同条件下氢脆断裂分析
- hydrogen brittle fracture 氢脆断裂
- The results show that T225NG Ti-alloy has good property of resisting hydrogen brittleness in atmosphere and in loop water. 研究结果表明:T225NG钛合金在空气和高温高压高纯水的环境下具有良好的抗氢脆性能;
- Simple as it is,the new embedded atom theory is applicable to metallic hydrogen brittleness,point defects(impurity and vacancy),surface reconstruction,surface segregation and phase stabilization of alloys. 介绍了一种新的EAM理论,它表述简单,而且已经成功地用于金属的氢脆、点缺陷(杂质和空位)、表面重构、合金的表面偏析和相稳定的特性的研究。
- Due to sulfurization,hydrogen brittleness,and electrochemical corrosion,the casing of large size of old oilfields is worn and hence has a negative effect on the oil well production. 针对老油田大尺寸套管上部因硫化、氢脆以及电化学腐蚀作用而导致破损、影响油井生产的情况;
- Crazing is the invariable precursor of brittle fracture. 出现小裂纹必然是脆性断裂的前兆。
- Zinc alloy coatings can be obtained from suitable range of bath, and it has attracted a great attention due to their unique high corrosion resistance, low hydrogen brittleness and chemical stability. 锌合金镀层可以在适宜的镀液中比较容易的沉积出来,它具有优异的耐蚀性、低氢脆性和化学稳定性,已引起人们的极大关注。
- The fracture is brittle fracture, and the reason is that material of forming dies takes place the temper brittleness. 引起脆性断裂的原因是成型模产生了回火脆性。
- The cause of brittle fracture on power hacksaw blades-blank were analyzed. 检验分析了机用锯条坯脆断的原因。
- Hydrogen brittleness led to an oxygen cylinder accident 氢脆断裂导致的气瓶事故
- brittleness fracture of steel wire 钢丝脆断
- Keywords austenite;the kovar alloy;hydrogen brittleness; 奥氏体;可伐合金;氢脆;
- Choice of steel types for the metallic construction and boiler making for brittle fracture hazard prevention. 防止脆性断裂危险用金属结构钢和锅炉制造用钢的类型选择。
- The brittle fracture of steel columns and the damage to column bases were found in Kobe Earthquake. 在阪神地震中还发生了钢柱的脆断和柱脚的破坏。
- The fractography showed brittle fracture in high SiC layer and dimple fracture in the matrix of low SiC layer. 第5章研究了多层梯度复合材料的疲劳裂纹扩展行为。 研究表明，当疲劳裂纹从低SIC层向高SIC层扩展时，在相邻两层过渡区会发生裂纹扩展延滞。
- The failure of the driving shaft in a hoister is caused by typical brittle fracture under low stress. 卷扬机传动轴的断裂为典型的低应力脆断事故，主要原因是传动轴的组织疏松、晶粒粗大、。
- The bracket of as-cast ferritic nodular iron breaks due to brittle fracture when it is assembled. 摘要铁素体球铁铸件支架在装配时发生脆性断裂失效。
- Water contains hydrogen and oxygen. 水含有氢和氧。
