| 深冷处理对铸态ZK60镁合金显微组织和力学性能的影响 |
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| 引用本文： | 陈鼎,蒋琼,姜勇,陈振华.深冷处理对铸态ZK60镁合金显微组织和力学性能的影响[J].机械工程材料,2011(2):16-19. |
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| 作者姓名： | 陈鼎 蒋琼 姜勇 陈振华 |
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| 作者单位： | 湖南大学材料科学与工程学院; |
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| 基金项目： | 国家自然科学基金资助项目(50804015) |
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| 摘 要： | 选用工业化生产的半连铸ZK60镁合金为研究对象,采用力学性能检测设备、光学显微镜、X射线衍射仪和透射电镜等研究了深冷处理(77 K)对其显微组织和力学性能的影响.结果表明:深冷处理可以细化ZK60合金的显微组织,引起一定程度的晶粒转动并促进微细第二相析出,产生了细晶强化及第二相析出强化,使ZK60合金的屈服强度由150...
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| 关 键 词： | 深冷处理 ZK60镁合金 力学性能 显微组织 |
Effect of Deep Cryogenic Treatment on Microstructure and Mechanical Properties of As-Cast ZK60 Magnesium Alloy |
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| CHEN Ding,JIANG Qiong,JIANG Yong,CHEN Zhen-hua.Effect of Deep Cryogenic Treatment on Microstructure and Mechanical Properties of As-Cast ZK60 Magnesium Alloy[J].Materials For Mechanical Engineering,2011(2):16-19. |
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| Authors: | CHEN Ding JIANG Qiong JIANG Yong CHEN Zhen-hua |
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| Abstract: | By taking a commercial production semi-continuous casting ZK60 magnesium alloy as the research objection,the effect of deep cryogenic treatment(DCT) at 77 K on the microstructure and mechanical properties was analyzed by means of mechanical property testing equipment,optical microsopy,X-ray diffraction and transmission electron microscopy.The results show that DCT could refine the microstructure,cause some grain orientation and improve the fine second phase precipitates,that resulted in fine grain strengthe... |
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| Keywords: | deep cryogenic treatment(DCT) ZK60 magnesium alloy mechanical property microstructure |
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