基于DEFORM的U型截面铝合金锻件淬火入水方式对残余应力的影响

doi:10.13251/j.issn.0254-6051.2022.10.044

金属热处理 ›› 2022, Vol. 47 ›› Issue (10): 258-262.DOI: 10.13251/j.issn.0254-6051.2022.10.044

基于DEFORM的U型截面铝合金锻件淬火入水方式对残余应力的影响

龙帅¹, 周杰², 吴道祥³, 王姝俨³

1.重庆科技学院冶金与材料工程学院, 重庆 401331;
2.重庆大学材料科学与工程学院, 重庆 400044;
3.西南铝业(集团)有限责任公司, 重庆 401326

收稿日期:2022-05-06 修回日期:2022-08-11 出版日期:2022-10-25 发布日期:2022-12-15
作者简介:龙帅(1991—),男,讲师,博士,主要研究方向为航空铝合金成形制造及仿真,E-mail: longshuai@cqust.edu.cn
基金资助:
重庆市自然科学基金面上项目(cstc2021jcyj-msxmX0653);重庆市教委科技项目(KJQN202101515);重庆科技学院科研资助项目(CKRC2020015)

Influence of water-entering mode on residual stress during quenching for U-section aluminum alloy forging based on DEFORM

Long Shuai¹, Zhou Jie², Wu Daoxiang³, Wang Shuyan³

1. School of Metallurgy and Materials Engineering, Chongqing University of Science and Technology, Chongqing 401331, China;
2. School of Materials Science and Engineering, Chongqing University, Chongqing 400044, China;
3. Southwest Aluminum Co., Ltd., Chongqing 401326, China

Received:2022-05-06 Revised:2022-08-11 Online:2022-10-25 Published:2022-12-15

摘要/Abstract

摘要： 采用DEFORM软件对U型截面铝合金锻件固溶后淬火入水方式进行了数值模拟分析,研究了4种入水姿态和自由落体、5 m/s及2 m/s的入水速度对锻件温度场和残余应力的影响规律。结果表明,锻件入水姿态和入水速度对残余应力的影响显著,该锻件以U型面旋转90°姿态和自由落体入水时,残余应力值最小且分布最均匀。

关键词: U型截面锻件, 铝合金, 淬火, 入水方式, 残余应力

Abstract: Water-entering modes during quenching for a U-shape sectioned aluminum alloy forging after solution treatment were simulated and analyzed based on DEFORM software. The influence of four different water-entering modes of the forging and water-entering speeds of free-falling, 5 m/s and 2 m/s on the temperature field and residual stress was studied. The results reveal that the water-entering mode and speed of the forging dramatically influence the residual stress. When the forging is rotated 90° in U-face and free falls into water, the residual stress is the smallest and most evenly distributed.

Key words: U-section forging, aluminum alloy, quenching, water-entering mode, residual stress

中图分类号:

TG166.3

龙帅, 周杰, 吴道祥, 王姝俨. 基于DEFORM的U型截面铝合金锻件淬火入水方式对残余应力的影响[J]. 金属热处理, 2022, 47(10): 258-262.

Long Shuai, Zhou Jie, Wu Daoxiang, Wang Shuyan. Influence of water-entering mode on residual stress during quenching for U-section aluminum alloy forging based on DEFORM[J]. Heat Treatment of Metals, 2022, 47(10): 258-262.

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基于DEFORM的U型截面铝合金锻件淬火入水方式对残余应力的影响

Influence of water-entering mode on residual stress during quenching for U-section aluminum alloy forging based on DEFORM

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