工艺参数对42CrMo钢激光淬火效果的影响

doi:10.13251/j.issn.0254-6051.2021.11.014

金属热处理 ›› 2021, Vol. 46 ›› Issue (11): 90-96.DOI: 10.13251/j.issn.0254-6051.2021.11.014

工艺参数对42CrMo钢激光淬火效果的影响

焦咏翔¹, 邓德伟^1,2, 孙奇², 李天澍¹, 杨树华², 张勇², 马玉山³

1.大连理工大学材料科学与工程学院辽宁省凝固控制与数字化制备技术重点实验室, 辽宁大连 116024;
2.沈阳鼓风机集团股份有限公司, 辽宁沈阳 110869;
3.吴忠仪表有限责任公司, 宁夏吴忠 751100

收稿日期:2021-06-14 出版日期:2021-11-25 发布日期:2021-12-08
通讯作者: 邓德伟,副教授,博士,E-mail:cailiaoqingqibing@163.com
作者简介:焦咏翔(1996—),男,硕士研究生,主要研究方向为激光表面淬火工艺,E-mail:jiaoyongxianggodj@163.com
基金资助:
辽宁重大装备制造协同创新中心基金(DUT2017031);高端控制阀产业技术协同创新中心基金(2018WZ003)

Influence of process parameter on laser quenching effect of 42CrMo steel

Jiao Yongxiang¹, Deng Dewei^1,2, Sun Qi², Li Tianshu¹, Yang Shuhua², Zhang Yong², Ma Yushan³

1. Key Laboratory of Solidification Control and Digital Preparation Technology, School of Materials Science and Engineering, Dalian University of Technology, Dalian Liaoning 116024, China;
2. Shenyang Blower Works Group Corporation, Shenyang Liaoning 110869, China;
3. Wuzhong Instrument Co., Ltd., Wuzhong Ningxia 751100, China

Received:2021-06-14 Online:2021-11-25 Published:2021-12-08

摘要/Abstract

摘要： 对42CrMo钢进行不同参数下的激光淬火处理,研究了激光淬火功率和扫描速度对42CrMo钢表面淬火硬度和淬火深度的影响规律,分析了在激光功率密度为定值时不同激光淬火参数下硬化性能的变化趋势。研究结果表明,激光功率的增大和扫描速度的减小均可以提高淬火层的深度和硬度;结合激光功率和扫描速度计算所得的能量密度参数与淬火效果存在较强相关性,在能量密度相同时,高功率高速度参数可以增加淬火硬度和深度,并提高加工效率。

关键词: 激光淬火, 42CrMo钢, 硬度, 硬化层, 能量密度

Abstract: Influence of laser quenching power and scanning speed on surface hardness and hardened depth of the 42CrMo steel was studied by applying different process parameters, and the variation trends of hardening performance under constant laser energy density and different laser quenching parameters were analyzed. The results show that the hardened depth and hardness of the hardened layers can be improved by increasing laser power and decreasing scanning speed. There is a stronge correlation between the energy density parameters calculated by combining the laser power and scanning speed and the quenching effect. Under the same energy density, the high power and high speed parameters can increase the hardness, hardened depth and processing efficiency.

Key words: laser quenching, 42CrMo steel, hardness, hardened layer, energy density

中图分类号:

TG156.33

焦咏翔, 邓德伟, 孙奇, 李天澍, 杨树华, 张勇, 马玉山. 工艺参数对42CrMo钢激光淬火效果的影响[J]. 金属热处理, 2021, 46(11): 90-96.

Jiao Yongxiang, Deng Dewei, Sun Qi, Li Tianshu, Yang Shuhua, Zhang Yong, Ma Yushan. Influence of process parameter on laser quenching effect of 42CrMo steel[J]. Heat Treatment of Metals, 2021, 46(11): 90-96.

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工艺参数对42CrMo钢激光淬火效果的影响

Influence of process parameter on laser quenching effect of 42CrMo steel

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