| 钙和碳变质对AZ91D显微组织与性能的影响 |
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| 引用本文： | 朱永长,王涛,李买生,崔虹云,谢.尼.舒卡耶夫,于海生.钙和碳变质对AZ91D显微组织与性能的影响[J].佳木斯大学学报,2010,28(1):89-91. |
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| 作者姓名： | 朱永长 王涛 李买生 崔虹云 谢.尼.舒卡耶夫 于海生 |
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| 作者单位： | [1]佳木斯大学材料科学与工程学院,黑龙江佳木斯154007 [2]佳木斯大学理学院,黑龙江佳木斯154007 [3]乌克兰国立技术大学机械工程学院,俄罗斯乌克兰基辅03056 |
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| 基金项目： | 黑龙江省科技攻关重点项目(WB07B04);;黑龙江省自然科学基金项目(E200913) |
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| 摘 要： | 镁合金的晶粒细化对于材质的金相组织和力学性能起着决定性作用.本课题通过在AZ91D中加入Ca和C2Cl6晶粒细化剂,分别研究了Ca,C对AZ91D组织以及力学性能的影响.利用熔剂保护法,制备了AZ91D标准拉伸试样,经过T4,T6处理后,采用金相显微镜(Olympus)、扫面电镜(SEM)和能谱分析仪(EDAX)对制备的试样进行了显微组织、断口形貌及成分进行了观察与分析,并测试了抗拉强度和布氏硬度.试验结果表明:经过显微组织和断口形貌观察,加入细化剂后形成Al4C3,有效的抑制了晶粒的长大,使晶粒得到细化,当Ca和C2Cl6复合应用时,使得AZ91D的晶粒细化更加明显,力学性能得到提高,抗拉强度最高达到216N/mm2,布氏硬度值达到60HB.
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| 关 键 词： | 镁合金 钙 碳 抗拉强度 |
Effect of Calcium and Carbon Modification on Microstructure and Mechanical Properties of AZ91D |
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| ZHU Yong-chang,WANG Tao,LI Mai-sheng,CUI Hong-yun,S.N.Shukayev,YU Hai-sheng.Effect of Calcium and Carbon Modification on Microstructure and Mechanical Properties of AZ91D[J].Journal of Jiamusi University(Natural Science Edition),2010,28(1):89-91. |
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| Authors: | ZHU Yong-chang WANG Tao LI Mai-sheng CUI Hong-yun SNShukayev YU Hai-sheng |
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| Institution: | 1.College of Materials Science and Engineering;Jiamusi University;Jiamusi 154007;China;2.College of Science;3.Institute of Mechanical Engineering;National Technical University of Ukraine;Ukraine 03056;Russia |
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| Abstract: | Grain refining plays a decisive role in the microstructure and properties of magnesium alloys.Doping with different components of calcium and carbon was respectively researched in refining the grain of magnisum alloy AZ91D.Tensile samples of alloy AZ91D was prepared under flux cover,and after T4,T6 heattreatment,microstructure and fracture patter were detected and analyzed by metallographic microscope,SEM and energy spectrum analysis.Moreover,tensile strength and Brinell hardness were also tested.The experi... |
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| Keywords: | magnesium alloy calcium carbon tensile strength |
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