添加0.2%Sn对Al-Si-Mg合金组织及力学性能的影响

doi:10.13251/j.issn.0254-6051.2020.04.004

金属热处理 ›› 2020, Vol. 45 ›› Issue (4): 16-21.DOI: 10.13251/j.issn.0254-6051.2020.04.004

添加0.2%Sn对Al-Si-Mg合金组织及力学性能的影响

尹昕¹, 尹登峰^1,2,3, 王凯先¹, 李继林^1,2, 池国明³, 曹汉权³

1. 中南大学材料科学与工程学院, 湖南长沙 410083;
2. 广东省工业技术研究院, 广东广州 510651;
3. 乳源东阳光精箔有限公司, 广东韶关 512721

收稿日期:2019-10-02 出版日期:2020-04-25 发布日期:2020-05-08
通讯作者: 尹登峰,副教授,博士,E-mail:dengfeng@csu.edu.cn
作者简介:尹昕(1996—),硕士研究生,主要从事Ac-Si系铸造合金力学性能及腐蚀性能的增强与改善,E-mail:mail.yinxin@csu.edu.cn
基金资助:
广东省应用型科技研发专项(2015B090926007)

Effect of 0.2%Sn addition on microstructure and mechanical properties of Al-Si-Mg alloy

Yin Xin¹, Yin Dengfeng^1,2,3, Wang Kaixian¹, Li Jilin^1,2, Chi Guoming³, Cao Hanquan³

1. School of Materials Science and Engineering, Central South University, Changsha Hunan 410083, China;
2. Guangdong Institute of Materials and Processing, Guangzhou Guangdong 510651, China;
3. Ruyuan Dongyangguang Fine Foil Company Limited, Shaoguan Guangdong 512721, China

Received:2019-10-02 Online:2020-04-25 Published:2020-05-08

摘要/Abstract

摘要： 采用光学显微镜(OM)、扫描电镜(SEM)、能谱分析(EDS)以及拉伸测试等方法,研究了0.2%的Sn元素对Al-Si-Mg系铝合金铸态以及T6热处理状态下的组织形貌演变以及力学性能的影响。结果表明:添加0.2%的Sn元素能够细化共晶硅相形貌,并使初生α-Al晶粒更加均匀,减少并改善了有害杂质相形貌及分布,在T6(535 ℃固溶6 h＋160 ℃时效5 h)状态下的规定塑性延伸强度和抗拉强度分别达到了262.3 MPa和305.1 MPa,伸长率为4.32%,比未添加Sn时的基础合金分别提高了9.8%和12.4%,伸长率提高了22.6%。

关键词: Sn元素, Al-Si-Mg系铝合金, 铸态组织, T6热处理, 力学性能

Abstract: Effect of 0.2%Sn addition on the microstructures and mechanical properties of Al-Si-Mg alloy with as-cast and T6 heat treated state was studied by optical microscopy (OM), scanning electron microscopy (SEM), energy spectrum analysis (EDS) and tensile testing. The results show that the addition of 0.2%Sn refines the morphology of the eutectic silicon phase and makes the primary α-aluminum grains more uniform, which reduces and improves the morphology and distribution of harmful impurities. At T6 state (solution treatment at 535 ℃ for 6 h+aging at 160 ℃ for 5 h), the proof strength, plastic extension and tensile strength of the alloy reach 262.3 MPa and 305.1 MPa respectively, is increased by 9.8% and 12.4% higher than that of the base alloy without Sn addition, and the elongation is 4.32%, which is increased by 22.6%.

Key words: Sn element, Al-Si-Mg-based aluminum alloy, as-cast microstructure, T6 heat treatment, mechanical properties

中图分类号:

TG166.3

尹昕, 尹登峰, 王凯先, 李继林, 池国明, 曹汉权. 添加0.2%Sn对Al-Si-Mg合金组织及力学性能的影响[J]. 金属热处理, 2020, 45(4): 16-21.

Yin Xin, Yin Dengfeng, Wang Kaixian, Li Jilin, Chi Guoming, Cao Hanquan. Effect of 0.2%Sn addition on microstructure and mechanical properties of Al-Si-Mg alloy[J]. Heat Treatment of Metals, 2020, 45(4): 16-21.

参考文献

[1]Cardinale M, Maccio D, Luciano G, et al. Thermal and corrosion behavior of as cast Al-Si alloys with rare earth elements[J]. Journal of Alloys and Compounds, 2017, 695: 2180-2189.
[2]Slattery B E, Perry A, Edrisy A. Micro-structural evolution of a eutectic Al-Si engine subjected to severe running conditions[J]. Materials Science and Engineering A, 2009, 512(1/2): 76-81.
[3]Yi J Z, Gao Y X, Lee P D, et al. Effect of Fe-content on fatigue crack initiation and propagation in a cast aluminum-silicon alloy (A356-T6)[J]. Materials Science and Engineering A, 2004, 386(1/2): 396-407.
[4]文红艳, 方东, 范晓明. Mn 对改善A356合金中Fe相有害作用的研究[J]. 热加工工艺, 2010, 39(1): 50-52.
Wen Hongyan, Fang Dong, Fan Xiaoming. Study on the harmful effect of Mn on improving Fe phase in A356 alloy [J]. Hot Working Technology, 2010, 39(1): 50-52.
[5]Wang Q G, Apelian D, Lados D A. Fatigue behavior of A356/357 aluminum cast alloys. Part II - Effect of micro-structural constituents[J]. Journal of Light Metals, 2001, 1(1): 85-97.
[6]Aguirre-De La Torre E, Pérez-Bustamante R, Camarillo-Cisneros J, et al. Mechanical properties of the A356 aluminum alloy modified with La/Ce[J]. Journal of Rare Earths, 2013, 31(8): 811-816.
[7]Öztürk Ïsmail, Agaoglu Gçkçe Hapçi, Erzi Eray, et al. Effects of strontium addition on the micro-structure and corrosion behavior of A356 aluminum alloy[J]. Journal of Alloys and Compounds, 2018, 763: 384-391.
[8]Mao Feng, Yan Guangyuan, Xuan Zhenjing, et al. Effect of Eu addition on the micro-structures and mechanical properties of A356 aluminum alloys[J]. Journal of Alloys and Compounds, 2015, 650: 896-906.
[9]杨承志, 龙思远, 王朋, 等. Cu 含量对压铸铝硅合金组织和性能的影响[J]. 金属热处理, 2016, 41(11): 57-61.
Yang Chengzhi, Long Siyuan, Wang Peng, et al. Effect of Cu content on microstructures and properties of die casting Al-Si alloy[J]. Heat Treatment of Metals, 2016, 41(11): 57-61.
[10]Qiu Ke, Wang Richu, Peng Chaoqun, et al. Effect of individual and combined additions of Al-5Ti-B, Mn and Sn on sliding wear behavior of A356 alloy[J]. Transactions of Nonferrous Metals Society of China, 2015, 25(12): 3886-3892.
[11]贾志宏, 翁瑶瑶, 丁立鹏. 铝合金中的Sn微合金化: 强化作用及机制[J]. 材料导报, 2017(9): 123-145.
Jia Zhihong, Weng Yaoyao, Ding Lipeng. Sn micro-alloying for aluminum alloys: Strengthening effects and mechanisms[J]. Materials Review, 2017(9): 123-145.
[12]Shankar Sumanth, Riddle Yancy W, Makhlouf Makhlouf M. Nucleation mechanism of the eutectic phases in aluminum-silicon hypoeutectic alloys[J]. Acta Materialia, 2004, 52: 4447-4460.
[13]Ghosh Abhishek, Ghosh Manojit, Shankar Gyan. On the role of precipitates in controlling microstructure and mechanical properties of Ag and Sn added 7075 alloys during artificial ageing[J]. Materials Science and Engineering A, 2018, 738: 399-411.
[14]Kliauga A M, Vieira E A, Ferrante M. The influence of impurity level and tin addition on the ageing heat treatment of the 356 class alloy[J]. Materials Science and Engineering A, 2008, 480(1/2): 5-16.

[1]	梁恩溥, 徐乐, 杨勇, 王毛球. 添加Al、Cu对40CrNi3MoV钢组织和力学性能的影响[J]. 金属热处理, 2022, 47(4): 17-23.
[2]	祁晓亮, 李岩, 定巍, 赵增武. 含Al中锰TRIP钢原始组织对临界退火后组织与力学性能的影响[J]. 金属热处理, 2022, 47(4): 24-29.
[3]	陈保安, 张静媛, 祝志祥, 韩钰, 潘学东, 张磊, 陈素红. 化学成分对高强Al-Mg-Si合金组织和性能的影响[J]. 金属热处理, 2022, 47(4): 30-38.
[4]	陈连生, 张露友, 田亚强, 杨子旋, 李红斌, 潘红波, 魏英立. 低碳高强舰船用钢的CCT曲线及其组织性能[J]. 金属热处理, 2022, 47(4): 63-68.
[5]	王云龙, 余伟, 张昳, 史佳新, 李明辉. 奥氏体化温度对贝氏体钢等温转变及力学性能的影响[J]. 金属热处理, 2022, 47(4): 80-85.
[6]	骆再斌, 范子泽, 彭振. 轻质高熵合金的研究进展[J]. 金属热处理, 2022, 47(4): 100-107.
[7]	吕杰晟, 宋志刚, 何建国, 丰涵, 郑文杰, 朱玉亮. S32205双相不锈钢冷轧退火组织转变及强塑化机理分析[J]. 金属热处理, 2022, 47(4): 141-145.
[8]	王琪, 吴光亮. 回火温度对1100 MPa级高强钢组织与性能的影响[J]. 金属热处理, 2022, 47(4): 146-150.
[9]	张骥俊, 邢彦锋, 曹菊勇. 超声振动对CMT电弧增材制造铝合金组织与性能的影响[J]. 金属热处理, 2022, 47(4): 159-164.
[10]	刘文彬, 乔龙阳, 潘新宇, 程格, 李爱娜, 裴新军. 淬火温度对刀剪用M390粉末冶金不锈钢组织和性能的影响[J]. 金属热处理, 2022, 47(4): 189-195.
[11]	王瑞琴, 葛鹏, 廖强, 侯鹏, 刘宇. 固溶冷却方式对短时用高温钛合金板材组织和性能的影响[J]. 金属热处理, 2022, 47(4): 196-198.
[12]	王绍灼, 孟晗, 王芬, 樊海卫, 李燕, 唐超. 改善低氧TC4-LC及重熔TC4钛合金性能的热处理工艺[J]. 金属热处理, 2022, 47(4): 204-207.
[13]	陈强, 陈林芳, 杨明华. 18CrNiMo7-6钢的可控气氛高温渗碳工艺[J]. 金属热处理, 2022, 47(4): 231-239.
[14]	刘乃瑜, 曹磊, 郑少梅. 不同沉积温度下CrCN涂层的力学性能[J]. 金属热处理, 2022, 47(4): 240-244.
[15]	刘志桥, 冯庆晓, 李化龙, 李腾飞. 退火工艺对低碳贝氏体钢组织与力学性能的影响[J]. 金属热处理, 2022, 47(3): 53-56.

添加0.2%Sn对Al-Si-Mg合金组织及力学性能的影响

Effect of 0.2%Sn addition on microstructure and mechanical properties of Al-Si-Mg 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