[1]李治国,娄国栋.基于JMatPro软件对22MnB5钢热处理参数的计算[J].焊管,2023,46(12):34-39.[doi:10.19291/j.cnki.1001-3938.2023.12.006]
 LI Zhiguo,LOU Guodong.Calculation of Heat Treatment Parameters of 22MnB5 Steel based on JMatPro Software[J].,2023,46(12):34-39.[doi:10.19291/j.cnki.1001-3938.2023.12.006]
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基于JMatPro软件对22MnB5钢热处理参数的计算()
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
46
期数:
2023年第12期
页码:
34-39
栏目:
试验与研究
出版日期:
2023-12-19

文章信息/Info

Title:
Calculation of Heat Treatment Parameters of 22MnB5 Steel based on JMatPro Software
文章编号:
10.19291/j.cnki.1001-3938.2023.12.006
作者:
李治国娄国栋
沈阳化工大学, 沈阳 110142
Author(s):
LI Zhiguo LOU Guodong
Shenyang University of Chemical Technology, Shenyang 110142, China
关键词:
22MnB5高强钢JMatPro模拟平衡相力学性能淬透性
Keywords:
22MnB5 high strength steel JMatPro simulation equilibrium phase mechanical properties hardenability
分类号:
TG156.3
DOI:
10.19291/j.cnki.1001-3938.2023.12.006
文献标志码:
A
摘要:
采用JMatPro 7.0 对22MnB5高强钢的热平衡相组成、等温奥氏体化曲线(TTA)、过冷奥氏体连续转变曲线(CCT)、淬透性预测和淬火后的力学性能进行了数值计算,并对22MnB5高强钢进行了高温淬火试验。计算结果表明:22MnB5高强钢的相转变温度Ac1为713.9 ℃,Ac3为 812.0 ℃,Ms 为401 ℃,Mf 为290 ℃;22MnB5钢在连续加热过程中加热速率越快,奥氏体化程度越高且均匀化时间越短;钢在连续冷却过程中,其屈服强度、抗拉强度和硬度均随冷却速度的增大而增大,当冷却速度为100 ℃/s时,硬度、屈服强度和抗拉强度分别达到其最大值481.1HV0.1、1 261 MPa和1 507.9 MPa。22MnB5高强钢经高温热处理后冷水浴淬火试验,获得的组织、硬度、屈服强度和抗拉强度与JMatPro 计算结果一致。
Abstract:
The thermal equilibrium phase composition, isothermal austenitizing curve (TTA), subcooled austenitic continuous transformation curve (CCT), hardenability prediction and mechanical properties after quenching of 22MnB5 high strength steel were calculated by JMatPro 7.0. The results show that the phase transition temperature of 22MnB5 high strength steel is Ac1 = 713.9 ℃, Ac3 = 812.0 ℃, Ms =401 ℃, Mf =290 ℃. The faster the heating rate of 22MnB5 steel in the continuous heating process, the higher the degree of austenitization and the shorter the homogenization time. In the process of continuous cooling, the yield strength, tensile strength and hardness of steel increase with the increase of cooling speed. When the cooling speed is 100 ℃/s, the hardness, yield strength and tensile strength reach their maximum values of 481.1HV0.1, 1 261 MPa and 1 507.9 MPa respectively. The microstructure, hardness, yield strength and tensile strength of 22MnB5 high strength steel obtained by heat treatment at high temperature and quenching with cold water bath are consistent with the calculated results.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2023-05-12基金项目: 国家自然科学基金面上项目“基于薄带连铸的高性能微纳米晶钢非平衡组织调控及其增强增塑机理”(项目编号51974085)。作者简介:李治国(1998—),男,汉族,山东泰安人,硕士,研究方向为金属材料组织与性能调控。
更新日期/Last Update: 2023-12-26