固溶成形工艺对6016铝合金组织及力学性能的影响

doi:10.13251/j.issn.0254-6051.2023.02.021

金属热处理 ›› 2023, Vol. 48 ›› Issue (2): 138-143.DOI: 10.13251/j.issn.0254-6051.2023.02.021

固溶成形工艺对6016铝合金组织及力学性能的影响

刘萌^1,2, 李新亚¹, 臧勇², 黄江华³, 孙福臻^1,2, 任荷¹

1.中国机械科学研究总院集团先进成形技术与装备国家重点实验室,北京 100044;
2.北京科技大学机械工程学院,北京 100083;
3.浙江科技学院机械与能源工程学院,浙江杭州 310023

收稿日期:2022-10-31 修回日期:2022-12-30 出版日期:2023-02-25 发布日期:2023-03-22
通讯作者: 李新亚,正高级工程师,硕士,E-mail:lixy@cam.com.cn
作者简介:刘萌(1984—),男,正高级工程师,博士研究生,主要研究方向为材料加工成形技术,E-mail:ljlm2008@126.com。
基金资助:
中国机械科学研究总院集团有限公司技术发展基金(2021110032020656)

Effect of solution forming process on microstructure and mechanical properties of 6016 aluminum alloy

Liu Meng^1,2, Li Xinya¹, Zang Yong², Huang Jianghua³, Sun Fuzhen^1,2, Ren He¹

1. State Key Laboratory of Advanced Forming Technology and Equipment, China Academy of Machinery Science and Technology Group, Beijing 100044, China;
2. School of Mechanical Engineering, University of Science and Technology Beijing, Beijing 100083, China;
3. School of Mechanical and Energy Engineering, Zhejiang University of Science and Technology, Hangzhou Zhejiang 310023, China

Received:2022-10-31 Revised:2022-12-30 Online:2023-02-25 Published:2023-03-22

摘要/Abstract

摘要： 针对铝合金在室温下塑性差等问题,结合铝合金固溶处理特点,采用了固溶成形工艺制备零件。为获得6016-T6铝合金固溶成形最优工艺参数,利用电子拉伸试验机对6016-T6铝合金板进行不同加热温度及冷却方式的研究,分析了不同固溶工艺参数对其组织与力学性能的影响规律。结果表明,冷却速度对材料的组织性能影响较大,固溶工艺参数为550 ℃×5 min,水冷时,其抗拉强度可达到300 MPa以上。采用了上述工艺参数对铝合金后风档下横梁进行了测试验证,试制出合格的成形件,热冲压件力学性能可达308 MPa。

关键词: 6016铝合金, 微观组织, 后风档下横梁, 力学性能

Abstract: For changing the poor plasticity and low elongation of the aluminum alloy at room temperature, based on the characteristics of aluminum alloy solid solution treatment, a solid solution forming method was investigated. In order to obtain optimum process parameters of the 6016-T6 aluminum alloy solid, tensile strength at different heating temperatures, heat preservation time and different cooling methods were measured by the electronic tensile testing machine and the influence of different process parameters on the mechanical properties were analyzed. The results show that the cooling speed has great influence on microstructure and properties of the materials. When the solution technological parameter is 550 ℃×5 min, water cooling, the tensile strength can reach maximum values, which are more than 300 MPa. The above process parameters have been used to test and verify the lower cross beam of the rear windshield made of the aluminum alloy, and the hot formed parts are trial-produced and qualified, and the tensile strength of these parts could reach 308 MPa.

Key words: 6016 aluminum alloy, microstructure, beam connector, mechanical properties

中图分类号:

TG166.3

刘萌, 李新亚, 臧勇, 黄江华, 孙福臻, 任荷. 固溶成形工艺对6016铝合金组织及力学性能的影响[J]. 金属热处理, 2023, 48(2): 138-143.

Liu Meng, Li Xinya, Zang Yong, Huang Jianghua, Sun Fuzhen, Ren He. Effect of solution forming process on microstructure and mechanical properties of 6016 aluminum alloy[J]. Heat Treatment of Metals, 2023, 48(2): 138-143.

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固溶成形工艺对6016铝合金组织及力学性能的影响

Effect of solution forming process on microstructure and mechanical properties of 6016 aluminum alloy

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