熊庭辉,罗岚,刘勇,吴进

• 1:南昌大学材料科学与工程学院
• 2:江西省近净成形重点实验室南昌大学

摘要(Abstract)：

镁合金具有密度小、比强度及比刚度高、良好的切削加工性能及易于回收等优点。时效处理是提高镁合金的力学性能常见方法之一。本文基于析出相变理论和Mg-Zn二元相图,对Mg-Zn系二元及多元镁合金在时效处理时可能出现的组织结构变化作出预测。结合文献,探讨了时效处理时GP区的形成组分及温度条件,及其带来的材料力学性能变化,总结了铸态、变形MgZn系合金时效处理最佳工艺。

关键词(KeyWords)： Mg-Zn合金;时效处理;析出理论;GP区

Abstract:

Keywords:

基金项目(Foundation): 国家重点研发计划(2016YFB0701201,2016YFB0701203);; 国家自然科学基金(51671101,51464034,51062003,1156025,51561022);; 江西省自然科学基金(20161ACB21003,20132BAB202010,2010GZW0016);; 江西省教育厅重点计划(GJJ150010)

作者(Author): 熊庭辉,罗岚,刘勇,吴进

DOI: 10.13289/j.issn.1009-6264.2017-0033

参考文献(References)：

• [1]韩国民,韩志强,霍亮,等.考虑固溶及时效处理的镁合金铸件微观组织模拟及力学性能预测[J].金属学报,2012,48(3):363-370.HAN Guo-min,HAN Zhi-qiang,HUO Liang,et al.Microstructure simulation and mechanical property prediction of magnesium alloy casting considering solid solution and aging process[J].Acta Metallurgica Sinica,2012,48(3):363-370.
• [2]YANG Rong-xian,LIU Zhi-yi,YING Pu-you,et al.Multistage-aging process effect on formation of GP zones and mechanical properties in Al-Zn-MgCu alloy[J].Transactions of Nonferrous Metals Society of China,2016,26:1183-1190.
• [3]刘和法,孙迺箴,戴学礼,等.时效过程中的GP区温度的测试与研究[J].钢铁研究学报,1990,2(1):81-85.LIU He-fa,SUN Nai-zhen,DAI Xue-li,et al.Measurement and study of temper ature of GP zone in the process of age-hardening[J].Journal Of Iron Steel Research,1990,2(1):81-85.
• [4]吴国华,陈玉狮,丁江文.镁合金在航空航天领域研究应用现状与展望[J].载人航天,2016,22(3):281-292.WU Guo-hua,CHEN Yu-shi,DING Jiang-wen.Current research application and future prospect of magnesium alloys in aerospace industry[J].Manned Spaceflight,2016,22(3):281-292.
• [5]张耀丹.镁合金在汽车上的应用及发展前景[J].汽车实用技术,2015,9:165-167.ZHANG Yao-dan.The application and development prospects of magnesium alloys in automotive[J].Automobile Applied Technology,2015,9:165-167.
• [6]Uematsu Y,Tokaji K,Matsumoto M.Effect of aging treatment on fatigue behaviour in extruded AZ61 and AZ80 magnesium alloys[J].Mater Sci Eng A,2009,517(1/2):138.
• [7]姜炳春.镁合金热处理的研究进展[J].世界有色金属,2016(2):72-73.JIANG Bing-chun.Research trend of heating treatment for magnesium alloy[J].World Nonferrous Metals,2016(2):72-73.
• [8]师昌绪,柯俊.镁基合金[M].北京:科学出版社,1999.
• [9]张津,张宗和.镁合金及应用[M].北京:化学工业出版社,2004.
• [10]Meissner K L.Age-hardening tests with electron alloys[J].The Journal of the Institute of Metals,1927,38(2):195-217.
• [11]Clark J B.Age Hardening of Mg-9wt%Al alloy[J].Acta Met,1968,16:141-152.
• [12]冯娟妮,郭学锋,徐春杰,等.Mg-Zn-Y系合金的铸态组织及其相变点[J].中国稀土学报,2006,24(1):86-90.FENG Juan-ni,GUO Xue-feng,XU Chun-jie,et al.As cast microstructure and phase transition point of Mg-Zn-Y based alloy[J].Journal of The Chinese Rare Earth Society,2006,24(1):86-90.
• [13]张义清.时效处理对变形镁合金组织性能的影响研究[D].太原:中北大学,2006.ZHANG Yi-qing.Study on aging effect of structure and properties of wrought magnesium alloys[D].Taiyuan:North University of China,2006.
• [14]葛凯晨.固溶时效处理对AZ80镁合金组织及力学性能的影响[D].西安:西安理工大学,2008.GE Kai-chen.Research on influence of solution and aging heat treatment on microstructure and mechanical properties of as-cast AZ80 magnesium alloy[D].Xi’an:Xi’an University of Technology,2008.
• [15]张丁非,朱曾涛,吴颖,等.热处理对Mg-Zn-Mn镁合金组织和性能的影响[J].材料热处理学报,2013,34(2):90-95.ZHANG Ding-fei,ZHU Zeng-tao,WU Ying,et al.Effects of heat treatment on microstructure and properties of Mg-Zn-Mn magnesium alloy[J].Transactions of Materials and Heat Treatment,2013,34(2):90-95.
• [16]Clark J B.Age hardening of Mg-9 wt%Al alloy[J].Acta Met,1968,16:141.
• [17]Agarwal R,Fries S G,Lukas H L,et al.Assessment of the Mg-Zn system[J].Z Metalkd,1992,83(4):216-223.
• [18]Murakami Y,Kawano O,Tamura H,et al.Mechanism of precipitation hardening of Mg-Zn alloys[J].Trans Jpn Inst Met,1971,12:323-328.
• [19]Buha J.Reduced temperature(22~100℃)ageing of an Mg-Zn alloy[J].Materials Science and Engineering A,2008,492:11-19.
• [20]Sundman B,Jansson B,Andersson J.The Thermo-Calc databank system[J].Calphad,1985,9(2):153-193.
• [21]王晓亮,李长荣,郭翠萍,等.Mg-Zn合金时效过程中GP区析出的热力学分析[J].金属学报,2010(5):575-580.WANG Xiao-liang,LI Chang-rong,GUO Cui-ping,et al.Precipitation behavior of GP zones during aging process of Mg-Zn alloy[J].Acta Metallurgica Sinica,2010(5):575-580.
• [22]Gao X,Nie J F.Characterization of strengthening precipitate phase in a Mg-Zn alloy[J].Scr Mater,2007,56(8):645-648.
• [23]张诗昌,段汉桥,蔡启舟,等.主要合金元素对镁合金组织和性能的影响[J].铸造,2001,50(6):310-315.ZHANG Shi-chang,DUAN Han-qiao,CAI Qi-zhou,et al.Effects of the main alloying elements on microstructure and properties of magnesium alloys[J].Foundry,2001,50(6):310-315.
• [24]Takahashi T,Kojima Y,Takanishi K.Study of precipitates in an aged magnesium-3.6 wt%zinc alloy by an X-ray method[J].Jap J Inst Light Metals,1973,23(8):376-382.
• [25]Clark J B.Transmission electron microscopy study of age hardening in a Mg-5 wt%Zn alloy[J].Acta Met,1965,13:1281-1289.
• [26]Sturkey L,Clark J B.Mechanism of age-hardening in the magnesium-zinc alloys[J].Institute of Metals,1959,88:177-181.
• [27]Wei L Y.The Intergranular microstructure of cast Mg2Zn and Mg2Zn2RE alloy[J].Metallurgical,1995,8:1947-1952.
• [28]Buha J.The effect of micro-alloying addition of Cr on age hardening of an Mg-Zn alloy[J].Mater Sci Eng A,2008,491(1/2):293-299.
• [29]Buha J.The effect of Ba on the microstructure and age hardening of an Mg-Zn alloy[J].Mater Sci Eng A,2008,489(1/2):70-79.
• [30]Unsworth W.New magnesium alloy for automobile applications[J].Light Metals Age,1987,8(7):10-16.
• [31]李萧,刘江文,罗承萍.铸造ZC62镁合金的时效行为[J].金属学报,2006,42(7):733-738.LI Xiao,LIU Jiang-wen,LUO Cheng-ping.Precipitation behavior of cast ZC62 magnesium alloy[J].Acta Metallurgica Sinica,2006,42(7):733-738.
• [32]Moss R L.ASM specialty handbook-magnesium and magnesium alloys[D].Manchester:University of Manchester,1983.
• [33]罗治平,张少卿.Mg-Zr,Mg-Zn及Mg-Zn-Zr合金的微观组织[J].金属学报,1993,29(4):337-342.LUO Zhi-ping,ZHANG Shao-qing.Microstructures of Mg-Zr,Mg-Zn and Mg-Zn-Zr alloys[J].Acta Metallurgica Sinica,1993,29(4):337-342.
• [34]麻彦龙,左汝林,汤爱涛.时效ZK60镁合金中的合金相探索[J].重庆大学学报(自然科学版),2004,27(12):91-94.MA Yan-long,ZUO Ru-ling,TANG Ai-tao.Study on the alloy phase in aged ZK60 magnesium alloy[J].Journal of Chongqing University(Natural Science Edition),2004,27(12):91-94.
• [35]Eom J P,Jin Q,Lim S G,et al.The effect of Ca addition on age hardening behaviors and mechanical properties in Mg-Zn alloy[J].Materials Science Forum,2003,419-422:307-312.
• [36]孟模.铸态AZ80镁合金多次变形工艺及力学行为研究[D].太原:中北大学,2012.MENG Mo.Multi-steps deformation process and mechanical behavior of as-cast AZ80 alloy[D].Taiyuan:North University of China,2012.
• [37]陈先华,刘娟,张志华,等.镁合金热处理的研究现状及发展趋势[J].材料导报,2012,25(23):142-145.CHEN Xian-hua,LIU Juan,ZHANG Zhi-hua,et al.Research status and development trend of heating treatment for magnesium alloy[J].Materials Review,2012,25(23):142-145.
• [38]王慧敏,陈振华,严红革,等.镁合金的热处理[J].金属热处理,2005,30(11):49-54.WANG Hui-min,CHEN Zhen-hua,YAN Hong-ge,et al.Heat treatment of magnesium alloys[J].Heat Treatment of Metals,2005,30(11):49-54.
• [39]姚远程.热处理对挤压态AZ61镁合金组织及力学性能的影响[D].沈阳:沈阳工业大学,2006.YAO Yuan-cheng.Effect of heat treatments on microstructure and mechanical properties of AZ61 magnesium alloy as extruded[D].Shenyang:Shenyang University of Technology,2006.
• [40]张保平.医用Mg-Zn-Ca合金的制备及其性能研究[D].哈尔滨:哈尔滨工业大学,2010.ZHANG Bao-ping.Research on Mg-Zn-Ca alloys as degradable biomaterial[D].Harbin:Harbin Institute of Technology,2010.
• [41]吉婉.时效对热挤压态Mg-Zn-Ca/Mg-Zn-Ca-Nd合金力学及腐蚀性能的影响[D].长安:长安大学,2015.JI Wan.Study on Mg-Zn-Ca/Mg-Zn-Ca-Nd alloy mechanical and corrosion properties of influence after aging for hot extrusion state[D].Changan:Changan University,2015.
• [42]袁家伟,李婷,李兴刚,等.Mn-x Zn-1Mn镁合金均匀化热处理及扩散动力学研究[J].稀有金属,2012,36(3):373-378.YUAN Jia-wei,LI Ting,LI Xing-gang,et al.Homogenizing heat treatment and diffusion kinetics of Mg-x Zn-1Mn magnesium alloy[J].Chinese Journal of Rare Metals,2012,36(3):373-378.
• [43]马鸣龙,张奎,李兴刚,等.GWN751K镁合金均匀化热处理[J].中国有色金属学报,2010,20(1):1-9.MA Ming-long,ZHANG Kui,LI Xing-gang,et al.Homogenization heat treatment of GWN751 alloy[J].Chinese Journal of Nonferrous Metals,2010,20(1):1-9.
• [44]耿义海.挤压及热处理工艺对ZK60镁合金组织与性能的影响[D].太原:中北大学,2008.GENG Yi-hai.Influence of extrusion and heat treatment process on microstructures and mechanical performance of ZK60 magnesium alloy[D].Taiyuan:North University of China,2008.
• [45]董国振.高强度变形镁合金组织及性能研究[D].重庆:重庆大学,2005.DONG Guo-zhen.Study on microstructure and properties of high strength wrought magnesium alloy[D].Chongqing:Chongqing University,2005.
• [46]董国振.高强度变形镁合金组织及性能研究[D].重庆:重庆大学,2005.DONG Guo-zhen.Study on microstructure and properties of high strength wrought magnesium alloy[D].Chongqing:Chongqing University,2005.
• [47]朱曾涛.ZM61高强变形镁合金热处理工艺的优化研究[D].重庆:重庆大学,2012.ZHU Zeng-tao.Research and optimize of heat treatment technique of ZM61 magnesium alloys[D].Chongqing:Chongqing University,2012.
• [48]张静,袁付庆,黄浩.铸态和挤压变形态Mg-Zn-Al-Re镁合金的室温和高温力学性能[J].稀有金属材料与工程,2013,42(3):593-597.ZHANG Jing,YUAN Fu-qing,HUNAG Hao.Mechanical properties of as-cast and as-extruded Mg-Zn-Al-Re magnesium alloys at room temperature and elevated temperatures[J].Rare Metal Materials and Engineering,2013,42(3):593-597.

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