赵子龙,孙紫薇,叶哲,王立飞,梁伟

• 1:太原理工大学材料科学与工程学院

摘要(Abstract)：

通过熔炼、热轧、热处理实验,利用光学显微镜(OM)、万能材料试验机等测试了Mg-8Li、Mg-8Li-2,3,4,5,6(Al-Si)合金的微观组织和力学性能。结果表明,Mg-8Li-4(Al-Si)和Mg-8Li-5(Al-Si)的综合力学性能都优于Mg-8Li-3(Al-Si);随Al-Si共晶添加量超过6%,合金的抗拉强度继续升高,但伸长率快速下降。

关键词(KeyWords)： Mg-Li双相合金;显微组织;Mg2Si;α相;力学性能

Abstract:

Keywords:

基金项目(Foundation): 山西省回国留学人员科研资助项目(2014029);; 国家自然科学基金(51401143,51274149)

作者(Author): 赵子龙,孙紫薇,叶哲,王立飞,梁伟

DOI: 10.13289/j.issn.1009-6264.2016.s1.014

参考文献(References)：

• [1]Aghion E,Bronfin B.Magnesium alloys development towards the 21st century[J].Mater Sci Forum,2000,350/351:19-29.
• [2]Kojima Y.Platform science and technology for advanced magnesium alloy[J].Mater Sci Forum,2000,350/351:3-12.
• [3]ASM Intemational.Magnesium and Magnesium Alloys[M].OH:Metal Park,1999.
• [4]冯林平,陈斌,钟皓,等.β基Mg-12Li-3Al-5Zn合金的塑性变形行为[J].金属热处理,2005,30(3):36-39.FENG Lin-ping,CHEN Bin,ZHONG Hao,et al.Plastic deformation behavior of Mg-12Li-3Al-5Znβ-alloys[J].Heat Treatment of Metals,2005,30(3):36-39.
• [5]Cao F R,Cui J Z,Lei F,et al.History and development of ultra-light Mg alloy[J].Materials Engineering,1996(9):3-5.
• [6]陈斌,冯林平,钟皓,等.变形Mg-Li-Al-Zn合金的组织与性能[J].北京航空航天大学学报,2004,30(10):976-979.CHEN Bin,FENG Lin-ping,ZHANG Hao,et al.Microstructure and properties of the rolled Mg-Li-Al-Zn alloy[J].Journal of Beijing University of Aeronautics and Astronautics,2004,30(10):976-979.
• [7]Mordike B L,Ebert T.Magnesium properties-applications-potential[J].Materials Science and Engineering A,2001,302:37-45.
• [8]Liu C M,Zhu X R,Zhou H T.Magnesium Alloy Phase Graph Set[M].Changsha:Central South University Press,2006:52-274.
• [9]刘旭贺,姚玮,肖阳,等.Mg-(9,11)Li-1Sn镁锂合金的显微组织与性能[J].铸造,2015,64(8):723-727.LIU Xu-he,YAO Wei,XIAO Yang,et al.Microstructure and properties of Mg-(9,11)Li-1Sn alloy[J].Foundry,2015,64(8):723-727.
• [10]Chang T C,Wang J Y,Chu C L,et al.Mechanical properties and microstructures of various Mg-Li alloysl[J].Materials Letters,2006,60(27):3272.
• [11]Qin J W,Peng Q Z,et al.Mg-8Li-3Al-Y alloy plate hot rolling and annealing microstructure and properties[J].Rare Metal,2015,33(7)6:577-582.
• [12]孟祥瑞,巫瑞智,张密林.超轻Mg-Li合金细晶强化与复合强化的研究现状[J].铸造技术,2009,30(1):116-119.MENG Xiang-rui,WU Rui-zhi,ZHANG Mi-lin.The current situation of fine-grain strengthening and compound strengthening in ultra-light Mg-Li alloy and[J].Foundry Technology,2009,30(1):116-119.
• [13]Shi Q X,Bian L P,Liang W,et al.Effects of adding Al-Si eutectic alloy and hot rolling on microstructures and mechanical behavior of Mg-8Li alloys[J].Journal of Alloys and Compounds,2015,631:129-132.
• [14]刘庆.镁合金塑性变形机理研究进展[J].金属学报,2010,46(11):1468.LIU Qing.Plastic deformation mechanism of magnesium alloys[J].Acta Metallurgical Sinica,2010 46(11):1468.

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