Mg-Sn-Si合金中Mg2(Si,Sn)复合相的结构与性能研究

张建新; 高爱华; 郭学锋; 任磊

doi:10.7498/aps.62.178101

摘要

研究了铸态Mg-Sn-Si合金中Mg2(Si,Sn)复合相的结构、特性以及该相对Mg-Sn-Si合金变质作用的影响. 结果表明: Sn原子能取代Mg2Si中的部分Si生成Mg2(Si,Sn)复合相, 该三元相与Mg2Si, Mg2Sn相的结构相同, 属于面心立方结构, Mg2(Si,Sn)相的元素含量并不固定, 在Si富集区形成的Mg2(Si,Sn)相中, Si元素含量高, 在Si贫乏区形成的Mg2(Si,Sn)相中, Si元素含量低. Si含量较多的Mg2(Si,Sn)相性能与Mg2Si相接近, Sn含量较多的Mg2(Si,Sn)相性能与Mg2Sn相接近, 实验中发现Mg2(Si,Sn)复合相的纳米硬度、弹性模量与维氏硬度等物理性能介于Mg2Si与Mg2Sn之间, Mg2(Si,Sn)相对汉字状Mg2Si相的变质处理起到桥梁作用.

关键词:

Abstract

Microstructure, characteristic and metamorphism of Mg2(Si,Sn) compound phase are studied in as-cast Mg-Sn-Si alloy. The results indicate that Sn atom can replace the partial Si of Mg2Si then form Mg2(Si,Sn) compound phase, and structure of the ternary compound is the same as Mg2Si and Mg2Sn, all belong to face-centered cubic. The element content of Mg2(Si,Sn) phase is not invariable, the Mg2(Si,Sn) phase with high Si content is in Si enrichment region, while it with low Si content is in Si poverty region. The property of Mg2(Si,Sn) phase with high Si content is close to Mg2Si phase, the property of the phase with high Sn content is close to Mg2Sn phase. In experiments, the nano-hardness, elastic modulus, vickers hardness and other physical properties of Mg2(Si,Sn) phase are between Mg2Si phase and Mg2Sn phase, in the metamorphism process of Chinese-script-like Mg2Si phase, Mg2(Si,Sn) compound phase plays a role as a bridge.

Keywords:

作者及机构信息

1.
河南理工大学材料科学与工程学院, 焦作 454000;

2.
河南理工大学文法学院, 焦作 454000;

3.
河南理工大学机械与动力工程学院, 焦作 454000

基金项目: 国家自然科学基金(批准号: 51271073);河南省重点科技攻关(批准号: 102102210031)和河南理工大学金属材料发展基金(批准号: 506096)资助的课题.

Authors and contacts

1.
Institute of Materials Science and Engineering, Henan Polytechnic University, Jiaozuo 454000, China;

2.
Institute of Liberal Arts and Law, Henan Polytechnic University, Jiaozuo 454000, China;

3.
Institute of Mechanical and Power Engineering Henan Polytechnic University, Jiaozuo 454000, China

Funds: Project supported by the National Natural Science Foundation of China (Grant No. 51271073), the Henan Province Science and Technology Key Program, China (Grant No. 102102210031) and the Metal Material Research and Development Program of Henan Polytechnic University, China (Grant No. 506096).

参考文献

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[2]	Hyun K L, Sung W S, Do H K, Ju Y L 2008 Journal of Alloys and Compounds 454 515
[3]	Guo X F, Yang W P, Song P W 2011 Journal of Materials Engineering 11 62 (in Chinese) [郭学锋, 杨文朋, 宋佩维 2005 材料工程 11 62]
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[7]	Kang D H, Bae G T, Nack J K 2008 Materials Transactions 49 936
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[9]	Jiang Q C, Wang H Y, Wang Y, Ma B X, Wang J G 2005 Mater. Sci.Eng. A 392 130
[10]	Nam K Y, Song D H, Lee C W, Lee S W, Park Y H, Cho K M, Park I M 2006 Mater. Sci. Forum 510-511 238
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[12]	Pan Y C, Liu X F, Yang H 2005 Materials Characterization 55 241
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[14]	Peng L, Chen G, Zhao Y T, Huang K, Shao Y 2011 Transactions of Nonferrous Metals Society of China 21 2365
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[18]	Yu B H, Liu M L, Chen D 2011 Acta Phys. Sin. 60 2 (in Chinese) [余本海, 刘墨林, 陈东 2011 60 2]
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施引文献

[1]	Rainer S F, Joachim G 2012 Metals 2 378
[2]	Hyun K L, Sung W S, Do H K, Ju Y L 2008 Journal of Alloys and Compounds 454 515
[3]	Guo X F, Yang W P, Song P W 2011 Journal of Materials Engineering 11 62 (in Chinese) [郭学锋, 杨文朋, 宋佩维 2005 材料工程 11 62]
[4]	Dobrzanski L A, Krol M, Tanski T 2010 Journal of Achievements in Materials and Manufacturing Engineering 43 613
[5]	Li J Z, Zhang N X, Ding H, Li Y L 2011 Journal of Plasticity Engineering 18 20 (in Chinese) [李继忠, 张念先, 丁桦, 李英龙 2011 塑性工程学报 18 20]
[6]	Zhao Z, Luo Q, Fan Z T, Dong X P 2011 Rare Metal Materials and Engineering 40 1594 (in Chinese) [赵忠, 罗强, 樊自田, 董选普 2011 稀有金属材料与工程 40 1594]
[7]	Kang D H, Bae G T, Nack J K 2008 Materials Transactions 49 936
[8]	Tang S Q, Zhou J X, Tian C W, Yang Y S 2011 Transactions of Nonferrous Metals Society of China 21 1932
[9]	Jiang Q C, Wang H Y, Wang Y, Ma B X, Wang J G 2005 Mater. Sci.Eng. A 392 130
[10]	Nam K Y, Song D H, Lee C W, Lee S W, Park Y H, Cho K M, Park I M 2006 Mater. Sci. Forum 510-511 238
[11]	Kozlov A, Grobner J, Schmid R 2011 Journal of Journal of Alloys and Compounds 509 3329
[12]	Pan Y C, Liu X F, Yang H 2005 Materials Characterization 55 241
[13]	Zou Z W, Xiong S M 2011 Rare Metal Materials and Engineering 40 1402 (in Chinese) [邹志文, 熊守美 2011 稀有金属材料与工程 40 1402]
[14]	Peng L, Chen G, Zhao Y T, Huang K, Shao Y 2011 Transactions of Nonferrous Metals Society of China 21 2365
[15]	Du J, Lv X Y, Li W F 2011 Journal of Materials Engineering 6 1 (in Chinese) [杜军, 吕信裕, 李文芳 2011 材料工程 6 1]
[16]	Yu Z Q, Xie Q, Xiao Q Q, Zhao K J 2009 Acta Phys. Sin. 58 6889 (in Chinese) [余志强, 谢泉, 肖清泉, 赵珂杰 2009 58 6889]
[17]	Liu N N, Song R B, Sun H Y, Du D W 2008 Acta Phys. Sin. 57 7145 (in Chinese) [刘娜娜, 宋仁伯, 孙翰英, 杜大伟 2008 57 7145]
[18]	Yu B H, Liu M L, Chen D 2011 Acta Phys. Sin. 60 2 (in Chinese) [余本海, 刘墨林, 陈东 2011 60 2]
[19]	Pulik J J, Alsha H N, Schw U 2010 Journal of Physics: Condensed Matter 22 1
[20]	Zhang J X, Guo Y, Guo X F 2013 China Foundry 62 235 (in Chinese) [张建新, 郭宇, 郭学锋 2013 铸造 62 235]
[21]	Yang M B, Pan F S, Bai L, Tang L 2007 The Chinese Journal of Nonferrous Metals 17 2013 (in Chinese) [杨明波, 潘复生, 白亮, 唐丽, 赵忠 2007 中国有色金属学报 17 2013]

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