结果表明，轴承盖螺栓属氢脆断裂。
The results show that the bearing-cap bolt is hydrogen embrittlement.
金属材氢脆根氢位错运动、布影响。
Embrittlement in metals is that hydrogen affects motion, distribution and structure of dislocation.
通常，部件承载后，氢脆裂纹扩展迅速。
Typically, hydrogen embrittlement cracks propagate rapidly once loads are applied to the part.
评述了研究氢脆的方法。
多功能酸的腐蚀性极小，而且不会引起氢脆。
Multiple service acid has very little corrosive effect and does not cause hydrogen embrittlement.
较多的砷、锡等残余元素增加了氢脆敏感性。
The remainder of arsenic and tin in large amount have increased the sensitivity to the. embrittlement.
铸锻件和对氢脆敏感的零件宜用弱酸性镀锌液。
Castings and forgings and hydrogen brittleness sensitivity to the spare parts of the appropriate USES weak acid galvanizing.
文中还对氢脆在应力腐蚀开裂中的作用进行了讨论。
The role of hydrogen embrittlement in stress corrosion cracking has also been discussed.
是在酸洗电镀后除氢不及时或不彻底导致氢脆断裂。
The reason for hydrogen embrittlement fracture is incomplete removal of hydrogen after acid-washing or electroplating.
对航空高强钢低氢脆电镀锌-镍合金工艺进行研究。
The technology of low hydrogen embrittlement Zn-Ni alloy electroplating on aeronautic high strength steel was studied.
声发射技术已被用来确定高强钢因氢脆而开裂的速率。
Acoustic-emission techniques have been used to determine the rate of cracking of high strength steel due to hydrogen embrittlement.
氢脆是高强度铝合金在腐蚀环境中应用遇到的突出问题。
Hydrogen embrittlement is an outstanding problem when high strength aluminium alloys are applied in the corrosive environment.
对氢脆的危害进行了探讨，得出了适宜的真空退火条件。
The harmness of the hydrogen frangibility is discussed, and then the appropriate conditions of vacuum anneal are gained.
合金中的氧会加重钒合金(特别是强度较高者)的氢脆敏感性。
Oxygen in the alloy, especially that in the alloys with high strength, could enhance the hydrogen embrittlement.
金属材料氢脆的根本原因是氢对位错运动、分布和结构的影响。
The cardinal cause of hydrogen Embrittlement in metals is that hydrogen affects motion, distribution and structure of dislocation.
合金的氢脆因子与氢气压力或电流密度之间呈相同的依赖关系。
The hydrogen embrittlement factor has the same dependence on the hydrogen pressure and charging current density.
图17示意了用电子显微镜扫描出的沿晶粒边界产生的氢脆裂纹。
Figure 17 is a scanning electron microscope view of a typical hydrogen embrittlement crack where separation occurs along grain boundaries.
实验结果表明：进行调质预处理是防止氢脆失效较为有效的方法。
The results of the experiment show that it is effective to prevent hydrogen embrittlement failure by hardening and tempering treatment.
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。
The premature invalidation of titanium and its alloys may mainly be resulted from hydrogen embrittlement.
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。
Causes for the hydrogen embrittlement during alkaline tin plating of elastic articles were discussed, preventive and remedial measures were presented.
结果表明，时效状态、特别是形变时效状态合金具有明显的氢脆敏感性。
Results show that the alloy in aging state, especially in deformation-aging state, is apparently susceptible to hydrogen embrittlement.
图16示意了襟翼滑轨大修后149个飞行循环内由于氢脆造成裂纹的实例。
Figure 16 shows a flap track that cracked because of hydrogen embrittlement 149 flight cycles after overhaul.
氢脆：由于浸蚀，除油或电镀等过程中金属或合金吸收氢原子而引起的脆性。
Hydrogen brittleness: because, in addition to the erosion oil or plating process such as metal and alloy hydrogen atom absorption and cause brittle.
达克罗涂层由于具有优良的耐蚀性、无氢脆、无污染等特点而得到广泛应用。
Dacromet coatings have been widely adopted for their excellent corrosion resistance, no hydrogen embrittlement and light environmental pollution.
烧结钕铁硼工业中，用于粗破碎钕铁硼合金铸锭的氢脆工艺的应用越来越广泛。
Hydrogen Decrepitation (HD) process has been widely used to crash NdFeB ingots in sintered NdFeB magnet industry.
构件失效的主要原因是：锁紧螺母的热处理工艺不当，止动垫电镀过程发生氢脆。
The results show that the failure is mainly attributed to the inappropriate heat-treatment technology of the locking nut and the hydrogen brittlement from electroplating of the stopping pad.
结果表明，氢脆现象是其产生脆性断裂的根本原因，同时提出了相应的防止措施。
The results show that the hydrogen embrittlement during the heat treatment process of thin-walled parts is the main reason. Meanwhile, the prevention measures are also put forward.
延迟破坏试验﹕此法适合于超高强度钢的氢脆试验﹐是一种灵敏而可靠的试验方法。
Delay: damage test method suitable for high strength steel hydrogen brittleness test, is a sensitive and reliable test method.
延迟破坏试验﹕此法适合于超高强度钢的氢脆试验﹐是一种灵敏而可靠的试验方法。
Delay: damage test method suitable for high strength steel hydrogen brittleness test, is a sensitive and reliable test method.
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