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铒和钕对铸态ZK60镁合金显微组织和力学性能的影响 王忠军1,乐启炽2,孙跃2,崔建忠2,张彩碚1,邵晓宏1 (1.东北大学理学院,辽宁,沈阳,110004;2.东北大学材料电磁过程研究教育部重点实验室,辽宁,沈阳,110004) 摘要:研究了铒和钕对铸态ZK60镁合金显微组织和力学性能的影响. 结果表明: ZK60镁合金中添加Er或Nd能够细化晶粒, 改变合金的显微组织. 当ZK60镁合金中加入1.0%(质量分数)的Er或Nd具有最佳的细化效果, 与原ZK60镁合金晶粒尺寸相比较, 晶粒的平均直径由原来的33.0 μm分别减少至23.6和25.2 μm. 添加Er或Nd的ZK60镁合金形成含有Er或Nd的稀土共晶相, 其熔点为518 ℃. 稀土共晶相对晶粒具有钉扎作用, 提高合金在150 ℃时的抗拉强度. 稀土共晶相的形态和分布对室温力学性能有显著影响. 含有Er的共晶相析出数量......
Microstructure evolution and tensile properties of friction-stir-welded AM50 magnesium alloy ZENG Rong-chang (曾荣昌)1, W. DIETZEL2, R. ZETTLER2, CHEN Jun (陈 君) 1, K. U. KAINER2 1. School...; Abstract: Friction stir welding (FSW) technique was utilized to weld cast AM50 magnesium alloy plates. The microstructures in the base......
Improvement of surface corrosion resistance for magnesium alloy by combining thermal spray and cast-infiltration ZHANG Zhong-li(张忠礼), DING Yong(丁 勇), WANG Xin(王 鑫), YANG Guo-qiang(杨国强... Abstract: The present work focuses on a new method combining cast-infiltration with thermal spraying technology to improve the surface corrosion resistance of magnesium alloy. A zinc-based alloy layer......
电解液组分浓度对ZK60镁合金微弧氧化膜的影响 秦廷伟1,程英亮1,王平1,王慧敏1 (1.湖南大学材料科学与工程学院,湖南,长沙,410082) 摘要:采用酸性电解液微弧氧化,对环境有污染.为此,采用环保型的Na2SiO3-NaOH碱性电解液体系对ZK60镁合金进行了微弧氧化,研究了电解液组分浓度对微弧氧化膜耐腐蚀性的影响.结果表明:电解液中NaOH浓度越低,微弧氧化膜层的耐蚀性越好,粗糙度越小,成膜越均匀;随着Na2SiO3浓度增加,微弧氧化膜厚度增加,腐蚀电流变小,耐蚀性提高. 关键词:电化学方法; ZK60镁合金; 微弧氧化; 耐蚀性; [全文内容正在添加中] ......
Effect of cooling rate on microstructure and compressive performance of AZ91 magnesium alloy YANG Lin(杨 林), FENG Hui(冯 辉), QIU Ke-qiang(邱克强), CHEN Li-jia(陈立佳), LIU Zheng(刘 正) School of Materials... temperature compressive performance of the AZ91 magnesium alloy was investigated. The experimental results show that with increasing cooling rate, the quantity of the solid solution phase increases......
. Microstructure and mechanical properties of extruded ZK60 magnesium alloy containing rare earth [J]. Materials Science and Technology, 2004, 20(12): 1661-1665. [7] MATUCHA H. Structure and Properties... Effect of temperature on mechanical behavior of AZ31 magnesium alloy TAN Cheng-wen(谭成文)1, 2, XU Shan-na(胥珊娜)2, WANG Lu(王 鲁)2, CHEN Zhi-yong(陈志永)2, 3, WANG Fu-chi(王富耻)2, CAI Hong-nian(才鸿年)1, 2......
Characterization of ceramic coating on ZK60 magnesium alloy prepared in a dual electrolyte system by micro-arc oxidationZe-Xin Wang1,Jing Chen1,Sheng Lu11. Provincial Key Laboratory of Advanced... to fabricate a compact,smooth,and corrosion resistant coating on ZK60 Mg alloy.The microstructural characteristics of coating were investigated by scanning electron microscopy(SEM)coupled with an energy......
maps for hot working of ZK60 magnesium alloy [J]. Materials Science and Engineering A, 2007, 464: 52-58. [13] RAVICHANDRAN N, PRASAD Y V R K. A study using processing maps [J]. Bulletin of Material... Development of processing maps for as-cast ZE41A magnesium alloy S. ANBU SELVAN1, S. RAMANATHAN1, R. KARTHIKEYAN2, B. K. RAGHUNATH1 1. Department of Manufacturing Engineering, Annamalai......
快速凝固/粉末冶金法制备ZK60高强镁合金 王少卿1,王海涛1,闵光辉1,于化顺1,张振亚1 (1.山东大学,材料液固结构演变与加工教育部重点实验室,济南,250061) 摘要:采用快速凝固/粉末冶金法(RS/PM)制备块体ZK60(Mg-5.52Zn-0.33Zr,质量分数/%)镁合金,研究了挤压态合金在200,300℃退火1h后微观组织和力学性能的变化.结果表明:挤压致密化过程中,合金.... 关键词:快速凝固/粉末冶金; ZK60镁合金; 退火处理; 组织与性能; [全文内容正在添加中] ......
applications of magnesium alloys, it is necessary to develop wrought magnesium alloy products such as ZK60 magnesium alloy. However, magnesium alloys have low tensile strength, poor ductility and low... Steady state rheological behavior of semi-solid ZK60-RE magnesium alloy during compression LUO Shou-jing(罗守靖), SHAN Wei-wei(单巍巍) School of Materials Science and Engineering, Harbin Institute......
