高温高压临氢管道运行一段时间发现多道焊缝裂纹，较为罕见。
The hydrogenation pipe would weld crack after running for some time as high temperature and high pressure, and the phenomenon was rare.
在充氢后时效一段时间的情况下，存在奥氏体晶格收缩-膨胀-收缩的现象，并初步讨论了可能的原因。
Austenitic lattice expansion-contraction-expansion caused by charging hydrogen is found and its possible mechanisms are discussed.
应用推荐