CAJ | 학술논문

对20CrMoH低合金钢件分别进行了正火及模仿锻造余温正火处理。对两种试样的显微组织、硬度及加工后的表面变形进行了测量。研究表明，锻造余热正火时获得平衡组织，硬度比正火试样小，且分布均匀，加工后变形量比正火试样小。
대20CrMoH저합금강건분별진행료정화급모방단조여온정화처리。대량충시양적현미조직、경도급가공후적표면변형진행료측량。연구표명，단조여열정화시획득평형조직，경도비정화시양소，차분포균균，가공후변형량비정화시양소。
After general normalizing and simulated forging-remnant-heat normalizing respectively ,the microstructure and hardness of the samples of low-alloy steel 20CrMoH were detected ,and the micro-distortion of the two kinds samples were tested after cutting . The test results show that the sample treated by forging-remnant-heat normalizing has balanced microstructure and uniform hardness than the one treated by general normalizing ,and its surface micro-distortion after cutting is smaller too .