您要查找的是不是:
- graphitic embrittlement 石墨脆性
- Research methods on hydrogen embrittlement are reviewed. 评述了研究氢脆的方法。
- Hydrogen embrittlement can become important in martensitic steels. 马氏体钢容易出现氢脆现象。
- No embrittlement is found for products without pickling. 结果发现,产品不经过酸洗就不会引起氢脆。
- The results show that the bearing-cap bolt is hydrogen embrittlement. 结果表明,轴承盖螺栓属氢脆断裂。
- It is the character for fracture of hydrogen embrittlement of high yield steel. 此为高强度钢氢脆断口的特征。
- After irradiation, the steel will heve different tendency of embrittlement. 钢材经中子辐照后会产生不同程度的脆化倾向。
- Any of various, often graphitic compositions used as the writing substance in pencils. 铅芯通常指含有石墨成分的铅笔用的书写物质
- The carbon nanotubes consist of one or up to dozens of graphitic shells seamlessly wrapped into a cylindrical tube. 碳纳米管是由单层或多层石墨片卷曲而成的无缝纳米级管状壳层结构。
- By this procedure,long nanocables having an iron carbide core and a graphitic shell were fabricated. 如用这种方法可以得到很长的具有电缆型结构的纳米炭,在其中具有单晶结构的炭化铁形成了电缆的金属芯。
- The membrane formed inside the porous of support by MOCVD process is resistant to hydrogen embrittlement. 由金属有机气相沈积法(MOCVD)在载体孔内沈积钯膜有助于防止氢的脆化作用。
- The steel ingot mold made of vanadium titanium vermicular graphitic cast iron has the best comprehensive property. 钒钛蠕墨铸铁是一种新型的工程结构材料,用钒钛蠕铁制造钢锭模具有良好的综合性能。
- The premature invalidation of titanium and its alloys may mainly be resulted from hydrogen embrittlement. 摘要氢脆是钛及其合金使用过程中的主要早期失效损伤原因之一。
- S. Iijima,” Helical microtubules of graphitic carbon”. Nature, Vol. 354, pp. 56-58(1991). 成会明,纳米碳管制备、结构、物性及应用,化学工业出版社:北京,第11页(2002)。
- Iijima S,” Helical microtubules of graphitic carbon”. Nature, Vol. 354, pp. 56-58(1991). 成会明,纳米碳管制备、结构、物性及应用.;化学工业出版社:北京,第11页(2002)。
- Also, a certain percentage of the ends of CNTs was found open due to the oxidation on graphitic sheets. 常规的方法是将样品分散于酸溶液中(硝酸或硫酸)煮沸,但这不可避免破坏了碳纳米管原来的定向性。
- Causes for the hydrogen embrittlement during alkaline tin plating of elastic articles were discussed, preventive and remedial measures were presented. 探讨了弹性零件碱性镀锡产生氢脆的原因并提出了预防及消除措施。
- Eventually hydrogen becomes fixed in traps in the metal, leading to hydrogen embrittlement. 终于,氢渐渐地被固定在金属内部的“陷阱”中而导致氧脆。
- Acoustic-emission techniques have been used to determine the rate of cracking of highstrength steel due to hydrogen embrittlement. 声发射技术已被用来确定高强钢因氢脆而开裂的速率。
- All the bolts and screw holes of flanges must be supplied with graphit and moly bdenum disulphide to prevent. 由于吹灰器所处环境恶劣,所有法兰的螺栓、螺母的螺纹表面应涂抹石墨油脂或二硫化钼油脂加以保护。