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许联林,樊建锋,张华,夏宗坤,董洪标,许并社.ZK60镁合金在氢化脱氢过程中的组织演化及纳米晶镁合金材料的制备[J].稀有金属材料与工程(英文),2017,46(10):2908~2914.[Xu Lian lin,Fan Jian feng,Zhang Hua,Xia Zong kun,Dong Hong biao,Xu Bing she.Microstructure evolution of ZK60 magnesium alloy during hydrogenation -dehydrogenation processing and preparation nanocrystalline magnesium alloy[J].Rare Metal Materials and Engineering,2017,46(10):2908~2914.]
Microstructure evolution of ZK60 magnesium alloy during hydrogenation -dehydrogenation processing and preparation nanocrystalline magnesium alloy
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Received:June 13, 2015  Revised:August 09, 2015
DOI:
Key words: HDDR  ZK60 alloy  Pressure  Temperature
Foundation item:教育部新世纪优秀人才支持计划(NCET-12-1040);国家自然科学基金( 50901048,51174143);山西省自然科学基金(2015011033, 2015021073) ;教育部科学技术研究重点项目(2012017 );山西省高等学校科技创新项目(2014118);山西省留学人员科技活动择优资助项目。
Author NameAffiliationE-mail
Xu Lian lin Key Laboratory of Interface Science and Engineering in Advanced Materials,Ministry of Education,Taiyuan University of Technology xulianlinlinq@163.com 
Fan Jian feng Key Laboratory of Interface Science and Engineering in Advanced Materials,Ministry of Education,Taiyuan University of Technology fanjianfeng77@hotmail.com 
Zhang Hua Key Laboratory of Interface Science and Engineering in Advanced Materials,Ministry of Education,Taiyuan University of Technology  
Xia Zong kun Key Laboratory of Interface Science and Engineering in Advanced Materials,Ministry of Education,Taiyuan University of Technology  
Dong Hong biao Key Laboratory of Interface Science and Engineering in Advanced Materials,Ministry of Education,Taiyuan University of Technology  
Xu Bing she Key Laboratory of Interface Science and Engineering in Advanced Materials,Ministry of Education,Taiyuan University of Technology  
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Abstract:
      The present paper describes a new technology to manufacture nanocrystalline materials of ZK60 alloys via studying the influence of hydride temperature, hydrogen pressure and reaction time of the HDDR process on the course of hydrogen-desorption, By the means of XRD, OM, SEM and TEM technique, the microstructural evolution of magnesium alloy was researched. Experimental results show that the temperature plays an important role in the hydrogen-desorption process of ZK60 alloy. In the optimal HD process for preparing nanocrystalline Mg alloy powders is that the alloy is hydrogenated at temperature of 350℃ under 2MPa hydrogen pressure for 12 hours and then dehydrogenated at 350℃ for 3 hours in vacuum. As a result, the grain sizes of ZK60 alloy were refined to about 20nm from 160mm.