什么是氢脆? 只要百度一下就可以看到“氢脆”的定义如下:氢脆是溶于钢中的氢,聚合为氢分子,造成应力集中,超过钢的强度极限,在钢内部形成细小的裂纹,又称白点。 而API 571 给出的描述如下:Hydrogen embrittlement: A loss in ductlity of high strength steels due to the penetration of atomic hydrogen can lead to brittle cracking. 翻译大意如下: 氢脆: 氢原子渗入高强钢,使其韧性下降而造成开裂。 疑惑:这两个概念好像有点出入,API没提氢原子聚合成氢分子这件事。也没说氢脆也叫白点。请专家指教,谢谢! 另外,下面有一道题目,请问哪个答案是正确的? 1. Atomic hydrogen in steel undergoes what process to cause possible hydrogen embrittlement? ( ) a. Atomic hydrogen diffuse out of the steel at high temperature b. Nothing. Atomic hydrogen stays in the steel and Cause embrittlement。 c. Atomic hydrogen combines to form molecular hydrogen in the steel d. Atomic hydrogen combines with carbides to form methane( 甲烷 ) in the steel 谢谢! 查看更多14个回答 . 3人已关注