缓慢升温时效处理对Al-Zn-Mg-Er-Zr合金性能的影响

doi:10.13251/j.issn.0254-6051.2023.03.002

金属热处理 ›› 2023, Vol. 48 ›› Issue (3): 8-11.DOI: 10.13251/j.issn.0254-6051.2023.03.002

缓慢升温时效处理对Al-Zn-Mg-Er-Zr合金性能的影响

仇晨¹, 荣莉¹, 魏午¹, 王为¹, 文胜平¹, 黄晖¹, 董阳², 王玉刚²

1.北京工业大学新型功能材料教育部重点实验室, 北京 100124;
2.山东兖矿轻合金有限公司, 山东邹城 273515

收稿日期:2022-09-30 修回日期:2023-01-16 出版日期:2023-03-25 发布日期:2023-04-25
通讯作者: 魏午,副教授,博士,E-mail:weiwu@bjut.edu.cn。
作者简介:仇晨(1997—),男,硕士研究生,主要研究方向为铝合金的组织与性能,E-mail:1007313198@qq.com。
基金资助:
国家重点研发计划(2021YFB3700901)

Effect of low heating rate aging treatment on properties of Al-Zn-Mg-Er-Zr alloy

Qiu Chen¹, Rong Li¹, Wei Wu¹, Wang Wei¹, Wen Shengping¹, Huang Hui¹, Dong Yang², Wang Yugang²

1. Key Laboratory of Advanced Functional Materials, Education Ministry of China, Beijing University of Technology, Beijing 100124, China;
2. Shandong Yankuang Light Alloy Co., Ltd., Zoucheng Shandong 273515, China

Received:2022-09-30 Revised:2023-01-16 Online:2023-03-25 Published:2023-04-25

摘要/Abstract

摘要： 利用扫描电镜(SEM)、显微硬度计及电导仪研究了120 ℃时效的两种不同工艺对Al-5Zn-3Mg-0.1Er-0.1Zr合金力学性能及导电率的影响。结果表明,相较于直接置于120 ℃时效工艺,采用5 h缓慢升温至120 ℃时效处理的试验合金的导电率提高至30.77%IACS,硬度、抗拉强度、屈服强度和伸长率分别提升至186.6 HV0.2、538 MPa、454 MPa和17.5%。两种时效工艺处理合金的断裂方式均为韧脆混合型断裂,但5 h缓慢升温时效处理合金的韧窝密度较高,剪切面特征减少。

关键词: Al-Zn-Mg合金, 时效处理, 导电率, 力学性能

Abstract: Effect of two different aging processes at 120 ℃ on mechanical properties and electrical conductivity of Al-5Zn-3Mg-0.1Er-0.1Zr alloy was studied by scanning electron microscope (SEM), microhardness tester and conductometer. The results show that compared with the aging process by directly putting specimens at 120 ℃, the conductivity of the tested alloy after 5 h slow heating to 120 ℃ aging process is increased to 30.77%IACS, and the hardness, tensile strength, yield strength and elongation are increased to 186.6 HV0.2, 538 MPa, 454 MPa and 17.5%, respectively. Both the fracture modes are ductile-brittle mixed fracture for the alloy treated by the two different aging processes, but for the alloy treated by 5 h slow heating to 120 ℃ aging, the dimple density is higher, and the shear plane characteristic is reduced.

Key words: Al-Zn-Mg alloy, aging treatment, electrical conductivity, mechanical properties

中图分类号:

TG146.21

仇晨, 荣莉, 魏午, 王为, 文胜平, 黄晖, 董阳, 王玉刚. 缓慢升温时效处理对Al-Zn-Mg-Er-Zr合金性能的影响[J]. 金属热处理, 2023, 48(3): 8-11.

Qiu Chen, Rong Li, Wei Wu, Wang Wei, Wen Shengping, Huang Hui, Dong Yang, Wang Yugang. Effect of low heating rate aging treatment on properties of Al-Zn-Mg-Er-Zr alloy[J]. Heat Treatment of Metals, 2023, 48(3): 8-11.

参考文献

[1]Azarniya A, Taheri A K, Taheri K K. Recent advances in ageing of 7××× series aluminum alloys: A physical metallurgy perspective[J]. Journal of Alloys and Compounds, 2019, 781: 945-983.
[2]Chen S Y, Li J Y, Hu G Y, et al. Effect of Zn/Mg ratios on SCC, electrochemical corrosion properties and microstructure of Al-Zn-Mg alloy[J]. Journal of Alloys and Compounds, 2018, 757: 259-264.
[3]Wu H, Wen S P, Huang H, et al. Hot deformation behavior and constitutive equation of a new type Al-Zn-Mg-Er-Zr alloy during isothermal compression[J]. Materials Science & Engineering A, 2016, 651: 415-424.
[4]Wu H, Wen S P, Huang H, et al. Hot deformation behavior and processing map of a new type Al-Zn-Mg-Er-Zr alloy[J]. Journal of Alloys and Compounds, 2016, 685: 869-880.
[5]孙文会, 张永安, 李锡武, 等. 固溶热处理对7136铝合金组织性能的影响[J]. 航空材料学报, 2014, 34(3): 35-41.
Sun Wenhui, Zhang Yongan, Li Xiwu, et al. Effect of solution treatment on microstructures and mechanical properties of 7136 aluminum alloy[J]. Journal of Aeronautical Materials, 2014, 34(3): 35-41.
[6]Xiao W, Wang J W, Sun L, et al. Theoretical investigation of the strengthening mechanism and precipitation evolution in high strength Al-Zn-Mg alloys[J]. Physical Chemistry Chemical Physics, 2018, 19: 13616.
[7]Liu M, Klobes B, Maier K. On the age-hardening of an Al-Zn-Mg-Cu alloy: A vacancy perspective[J]. Scripta Materialia, 2011, 64(1): 21-24.
[8]Liu Y, Jiang D, Xie W, et al. Solidification phases and their evolution during homogenization of a DC cast Al-8.35Zn-2.5Mg-2.25Cu alloy[J]. Materials Characterization, 2014, 93: 173-183.
[9]Liu J J, Li H Y, Li D W, et al. Application of novel physical picture based on artificial neural networks to predict microstructure evolution of Al-Zn-Mg-Cu alloy during solid solution process[J]. Transactions of Nonferrous Metals Society of China, 2015, 25(3): 944-953.
[10]万彩云, 陈江华, 杨修波, 等. 7×××系AlZnMgCu铝合金早中期时效[J]. 电子显微学报, 2010, 29(5): 455-460.
Wan Caiyun, Chen Jianghua, Yang Xiubo, et al. Study of the early & mid-stage hardening precipitates in a 7××× AlZnMgCu aluminium alloy[J]. Journal of Chinese Electron Microscopy Society, 2010, 29(5): 455-460.
[11]Ren J, Wang R C, Feng Y, et al. Microstructure evolution and mechanical properties of an ultrahigh strength Al-Zn-Mg-Cu-Zr-Sc (7055) alloy processed by modified powder hot extrusion with post aging[J]. Vacuum, 2019, 161: 6497-6511.
[12]Wang Z X, Jiang H H, Li H, et al. Effect of solution-treating temperature on the intergranular corrosion of a peak-aged Al-Zn-Mg-Cu alloy[J]. Journal of Materials Research and Technology, 2020, 9(3): 6497-6511.
[13]Rana R S, Purohit R, Das S. Reviews on the influences of alloying elements on the microstructure and mechanical properties of aluminum alloys and aluminum alloy composites[J]. International Journal of Scientific and Research Publications, 2012, 2: 1-7.
[14]刘馨忆, 王晨充, 赵彦林, 等. 多级时效处理对Al-4.74Zn-2.13Mg-1.20Cu合金性能的影响[J]. 材料热处理学报, 2019, 40(5): 58-64.
Liu Xinyi, Wang Chenchong, Zhao Yanlin, et al. Effect of multi-stage aging treatment on properties of Al-4.74Zn-2.13Mg-1.20Cu alloy[J]. Transactions of Materials and Heat Treatment, 2019, 40(5): 58-64.
[15]Ke B, Ye L Y, Zhang Y, et al. Enhanced strength and electrical conductivities of an Al-Zn-Mg aluminum alloy through a new aging process[J]. Materials Letters, 2021, 304: 130586.
[16]Wen H, Topping T D, Isheim D, et al. Strengthening mechanisms in a high-strength bulk nanostructured Cu-Zn-Al alloy processed via cryomilling and spark plasma sintering[J]. Acta Materialia, 2013, 61(8): 2769-2782.
[17]Ardell A J. Precipitation hardening[J]. Metallurgical Transactions A, 1985, 16: 2131-2165.
[18]Seidman D N, Marquis E A, Dunand D C. Precipitation strengthening at ambient and elevated temperatures of heat-treatable Al(Sc) alloys[J]. Acta Materialia, 2002, 50(16): 4021-4035.
[19]Ma P, Liu C, Chen Q, et al. Natural-ageing-enhanced precipitation near grain boundaries in high-strength aluminum alloy[J]. Journal of Materials Science & Technology, 2020, 42(11): 107-113.

缓慢升温时效处理对Al-Zn-Mg-Er-Zr合金性能的影响

Effect of low heating rate aging treatment on properties of Al-Zn-Mg-Er-Zr alloy

PDF

可视化

摘要/Abstract

引用本文

使用本文

参考文献

相关文章 15

编辑推荐

Metrics

本文评价

[1]	邓红玲, 张思雨, 钟辉隆, 李声慈, 齐亮, 陈继强. 固溶处理对稀土改性Al-Zn-Mg-Cu合金组织及性能的影响[J]. 金属热处理, 2023, 48(3): 32-38.
[2]	周金鑫, 麻永林, 刘永珍, 陈重毅, 宫美娜, 邢淑清. 脉冲磁场对Al-6.15Zn-1.41Mg-1.45Cu合金双级时效组织和性能的影响[J]. 金属热处理, 2023, 48(3): 39-44.
[3]	吴秋云, 潘红波, 刘永刚, 詹华, 崔磊. I&Q&P工艺对C-Si-Mn-Nb双相钢显微组织和力学性能的影响[J]. 金属热处理, 2023, 48(3): 45-50.
[4]	赵宇, 魏午, 黄晖, 刘贞山, 任思蒙, 董阳, 王玉刚, 石薇. 6070铝合金的均匀化热处理[J]. 金属热处理, 2023, 48(3): 51-56.
[5]	宋先和, 刘晓烨, 毕仁贵, 卢立伟, 刘雁峰, 黄熙鸿. 轧制温度和后处理方式对AZ31镁合金显微组织和力学性能的影响[J]. 金属热处理, 2023, 48(3): 62-70.
[6]	代礼斌, 杨章程, 邓雄, 邱仕佳, 郑朝清. 固溶温度对A286合金低温力学性能的影响[J]. 金属热处理, 2023, 48(3): 96-99.
[7]	杨凯, 朱宏伟, 于利民, 郁瑞兴. 时效时间对PH13-8Mo不锈钢组织和力学性能的影响[J]. 金属热处理, 2023, 48(3): 100-103.
[8]	闫洪涛, 王永金, 齐海龙, 黄岩, 张科明, 张澣斗, 母镕. 淬火温度对空冷贝氏体-马氏体复相耐磨钢组织性能的影响[J]. 金属热处理, 2023, 48(3): 129-134.
[9]	常耀东, 齐会萍, 贾燕龙, 李永堂, 武永红. Q345/40Cr钢双金属环件的热处理工艺及组织性能[J]. 金属热处理, 2023, 48(3): 195-202.
[10]	岳旭, 张明玉, 同晓乐, 乔恩利, 张起, 杨嘉珞, 叶红川. Ti-6.5Al-3.5Mo-1.5Zr-0.3Si合金中α′相和α″相的组织演变与力学性能[J]. 金属热处理, 2023, 48(3): 215-220.
[11]	陈子宏, 薛正良, 刘孟珂, 张翔, 郑顶立, 马国军. 残余元素Sb对X80管线钢力学性能的影响[J]. 金属热处理, 2023, 48(3): 248-253.
[12]	曾斌, 万洋, 梁亮, 李昭东, 雍岐龙. Ni对高碳工具钢75Cr1组织和性能的影响[J]. 金属热处理, 2023, 48(3): 269-274.
[13]	卢雅琳, 黄勇, 王健. 纳米TiC对Al-Cu合金微观组织和性能的影响[J]. 金属热处理, 2023, 48(3): 275-279.
[14]	陈霸, 李新梅, 陈文杰, 路国闯, 商利, 田鹿岩. 第一性原理计算Mo含量及压力对CrZrNbTiMo_x难熔高熵合金性能的影响[J]. 金属热处理, 2023, 48(2): 10-16.
[15]	裴瑜, 高坤元, 张小军, 黄晖, 吴晓蓝, 文胜平, 聂祚仁. 纯铝纯铁搅拌摩擦焊接头的组织与力学性能[J]. 金属热处理, 2023, 48(2): 36-42.