40CrNiMoA环锻件裂纹缺陷分析

龚洋道, 刘晓磊, 陈昌华

物理测试 ›› 2024, Vol. 42 ›› Issue (6) : 57-61.

PDF(3587 KB)
PDF(3587 KB)
物理测试 ›› 2024, Vol. 42 ›› Issue (6) : 57-61. DOI: 10.13228/j.boyuan.issn1001-0777.20240013
缺陷分析

40CrNiMoA环锻件裂纹缺陷分析

  • 龚洋道, 刘晓磊, 陈昌华
作者信息 +

Analysis of crack defects in 40CrNiMoA ring forging

  • 龚洋道, 刘晓磊, 陈昌华
Author information +
文章历史 +

摘要

某锻造厂生产的40CrNiMoA合金钢坯料经锻锤锻造成耐磨板环坯,经调质热处理后发现较多的环锻件表面存在裂纹缺陷。为了查明40CrNiMoA环锻件表面裂纹缺陷产生原因,对环锻件解剖取样并进行化学成分分析、金相检测分析以及扫描电镜分析等。分析结果表明:40CrNiMoA环锻件裂纹起源于环锻件的端面,裂纹扩展方式为单一的穿晶扩展,裂纹的形成属于热处理淬火应力裂纹。

Abstract

The 40CrNiMoA alloy steel billet produced by a certain forging factory was forged into wear-resistant plate ring billet by forging hammer. After quenching and tempering heat treatment, it was found that there were many crack defects on the surface of the ring forgings. In order to investigate the causes of surface crack defects in 40CrNiMoA ring forgings, samples were dissected and analyzed for chemical composition, metallographic examination and scanning electron microscopy. The analysis results indicate that the crack in the 40CrNiMoA ring forging originates from the end face of the ring forging, and the crack propagation mode is a single transgranular propagation. The formation of the crack belongs to the stress crack of heat treatment quenching.

关键词

环锻件 / 裂纹缺陷 / 淬火应力裂纹

Key words

ring forging / crack defect / quenching stress cracking

图表

引用本文

导出引用
龚洋道, 刘晓磊, 陈昌华. 40CrNiMoA环锻件裂纹缺陷分析[J]. 物理测试, 2024, 42(6): 57-61 https://doi.org/10.13228/j.boyuan.issn1001-0777.20240013
GONG Yangdao, LIU Xiaolei, CHEN Changhua. Analysis of crack defects in 40CrNiMoA ring forging[J]. Physics Examination and Testing, 2024, 42(6): 57-61 https://doi.org/10.13228/j.boyuan.issn1001-0777.20240013

参考文献

[1] 任乾光,张正,杨家典,等. 06Cr17 Ni12Mo2合金环锻件缺陷分析[J]. 物理测试,2022,40(6):36.
[2] 李雪峰,王刚,潘恒沛,等. 40CrNiMoA钢台阶轴表面裂纹产生原因分析[J]. 物理测试,2021,39(6):33.
[3] 任乾光,杨良会,张正,等. 1Cr12 Ni3MoV合金盘类锻件超声波探伤缺陷分析[J]. 物理测试,2023,41(5):54.
[4] 吕建刚,肖李鹏. 钢中非金属夹杂物及其金相检验[J].理化检验(物理分册),2015,51(4):229.
[5] 时飞扬,陈昌华,豆毅恒,等. 20CrMnMo齿轮坯超声波探伤裂纹缺陷分析[J]. 物理测试,2023,41(2):53.
[6] 李雪峰,王刚,潘恒沛,等. 40CrNiMoA钢台阶轴表面裂纹产生原因分析[J]. 物理测试,2021,39(6):33.
[7] 郭立波,李朋,武强,等. 扫描电镜及能谱分析在钢铁冶金中的应用[J]. 物理测试,2018,36(1):30.
[8] 刘晓磊,哈曜,徐加银,等. 开式齿轮锻件超声波探伤缺陷解剖检验分析[J]. 物理测试,2018,36(2):53.
[9] 哈曜,徐加银,陈琳,等. 4140圆管锻件热处理裂纹检验分析[J]. 物理测试,2017,35(6):38.
[10] 杨瑞瑞,岳战国,何正文,等. 40CrNiMoA高强度螺栓断裂分析及控制[J]. 热处理技术与装备,2023,44(6):46.

PDF(3587 KB)

90

Accesses

0

Citation

Detail

段落导航
相关文章

/