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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。
- 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;
- 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
- 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;
- Water contains hydrogen and oxygen. 水含有氢和氧。
- 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。
- Constant stress has made our nerves brittle. 我们长期处于紧张状态,神经已经吃不消了。
- This material is highly brittle. 这种材料非常脆。
- Robert received a brittle reception there. 罗伯特在那里受到冷淡的接待。
- Water is composed of hydrogen and oxygen. 水由氢和氧组成。
- Water is composed of the elements hydrogen and oxygen. 水是由氢元素和氧元素组成的。
- hydrogen brittle 氢脆
- hydrogen brittle fracture 氢脆断裂
- And thereon spend thy many brittle darts. 把你的利箭耗费在他们身上。
- Water may be resolved into hydrogen and oxygen. 水可以分解为氢和氧。
- A brittle, flat piece of unleavened bread, eaten especially during Passover. 未发酵的面包一种犹太人过逾越节时吃的干脆未发酵的面包
- We are not satisfied with his brittle promise. 我们对他所做的靠不住的诺言不满意。
- My mom used to make the best peanut brittle. 我妈妈过去经常做最好吃的花生糖。
- A brittle relationship between husband and wife. 容易破裂的夫妻关系