Post Welding Heat Treatment

This article introduces the special welding products capable of reaching equivalent mechanical functions of the base materials : strength , creep and toughness , taking the Post Welding Heat Treatment ( PWHT ) into consideration .

本文介绍了能够达到与母材力学性能相当的特殊焊接产品的强度、蠕变和韧性，同时考虑到了焊后热处理（PWHT）条件。

Post Welding Heat Treatment Process and Equipment of RE Microalloy Quenching Rail

稀土微合金淬火钢轨接触焊焊后热处理工艺及设备

Post Welding Heat Treatment in Design of Process Equipment

在化工设备设计中对焊后热处理的考虑

Effect of Post Welding Heat Treatment on Metal Resist Stress Corrosion Properties

焊接后热处理对金属材料抗应力腐蚀性能的影响

After the weld metal subjected to post welding heat treatment , the strength obviously increased for Cr bearing weld metal .

热处理后，含Cr焊缝强度有所上升。

So the friction stir welding of Cu-Cr-Zr alloy and post welding heat treatment are feasible and effective , which can play an important role to develop a reasonable guiding for the ship motor rotor welding process .

因此Cu-Cr-Zr合金的搅拌摩擦焊及焊后热处理工艺是可行有效的，对合理制定舰用电机转子焊接工艺具有重要指导意义。

This paper studies the technology , equipment and properties of post welding heat treatment of the RE microalloy quenching rail which was heated with medium frequency induction and quenched with pressure air for head of , normalized for other of .

对稀土淬火钢轨接触焊焊后采用中频感应加热，轨头压缩空气淬火，其他部位正火的热处理工艺。

In the matrix , the dispersion and distribution of precipitation phases precipitated from the supersaturated solid solution , can effectively improve organizational performance . To sum up , the post welding heat treatment can substantially improved the properties of Cu-Cr-Zr alloy friction-stir-welded joints .

热处理后，基体过饱和固溶体大量析出沉淀相，沉淀相弥散分布能有效改善组织性能。