标题：Study on the Microstructure and Mechanical Properties of 20 Steel Strain Aging
作者：Li, Mengli; Wang, Weiqiang
作者机构：[Li, Mengli] Qilu Univ technol, Sch Mech & Automot Engn, Jinan, Shandong, Peoples R China.; [Wang, Weiqiang] Shandong Univ, Sch Mech Engn, Dept Name 更多
会议名称：4th International Conference on Machinery, Materials and Computer (MACMC)
会议日期：NOV 27-29, 2017
来源：PROCEEDINGS OF THE 2017 4TH INTERNATIONAL CONFERENCE ON MACHINERY, MATERIALS AND COMPUTER (MACMC 2017)
关键词：20 steel; strain aging; microstructure; mechanical properties
摘要：The strain aging process in the prefabrication process of 20 steel high-pressure pipe was simulated. The microstructure, hardness and impact absorption energy of the 20 steel pipes in the process were studied, and the mechanism was explained. The study shows that normalizing before prefabricated and stress relief annealing after prefabricated can be better to ensure the performance of the elbow.