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Thermostability of Al-Cu-Mg-Fe-Ni Alloy with Trace Scandium and Zirconium Yu Kun1,Li Songrui1,Li Wenxian1 (1.Department of Materials Science and Engineering, Central South University of Technology,Changsha 410083, P. R. China) 摘要:Three Al-Cu-Mg-Fe-Ni-Sc-Zr ingot metallurgy alloys with different compositions had been prepared. The hardness variations of cold-rolled alloy plates during annealing......
Mg-14Li-1Al超轻镁合金的挤压工艺与力学性能 彭建1,丁培道1,张丁非1,蒋斌1 (1.重庆大学材料科学与工程学院,重庆,400044;2.重庆市镁合金材料工程技术研究中心,重庆,400044) 摘要:确定了LA141合金的挤压工艺,并研究了该合金的力学性能,探讨了挤压工艺对合金力学性能的影响.结果表明,合金能够顺利挤压成形,具有优异的塑性变形能力;挤压件的强度和塑性在较宽的挤压温度范围内保持稳定;挤压速度较低时,挤压件塑性较好. 关键词:超轻合; 金挤压工艺; 力学性能; [全文内容正在添加中] ......
钇和锶的添加对Mg-14Li-1Al合金的电化学性能的影响(英文)蒋斌1,2,刘玉虹1,李瑞红1,向庆1,曾迎1,潘复生11. 重庆大学2. 重庆市科学技术研究院摘 要:制备了Mg-14Li-1Al(LA141),LA141-0.3Y,LA141-0.3Sr和LA141-0.3Y-0.3Sr合金,采用动电势极化曲线,恒电势电流-时间曲线,交流阻抗技术以及扫描电子显微镜等手段测试了这些合金在0.7 mol/L氯化钠溶液中的电化学性能.研究了氧化镓作为电解液添加剂对镁合金恒电势放电性能的影响.结果表明:在有与无氧化镓的情况下,合金的电化学活性和利用效率都按照以下顺序递增:LA141<LA141-0.3Sr<LA141-0.3Y<LA141-0.3Y-0.3Sr,电解液中添加氧化镓分别将放......
High Carbon Alloy Steels with Multiple Types of Ultra-fine Carbides and Their Characteristics QI Yu-hong1,DAI Yu-mei1,LIU Yan-xia1,ZHANG Zhan-ping1,GAO Hong-tao1,MA Yong-qing1 (1.Dalian Maritime University, Dalian, China) 摘要:Under normal forging and annealing conditions, there are different ultra fine carbides (M3C, M23C6, M7C3, M6C and MC) in high carbon alloy steels when alloy composition......
Grain refinement of AZ31 magnesium alloy by Al-Ti-C-Y master alloy LIANG Wei1,XU Chunxiang1,L2,LU Binfeng1 (1.School of Materials Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, China;2.U) Zhengling(School of Materials Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, China) Abstract:Al-Ti-C-Y master alloy was prepared by combining SHS......
Substructure of recovered Ti-23Nb-0.7Ta-2Zr-O alloy XING Hui(邢 辉), GUO Wen-yuan(郭文渊), SUN Jian(孙 坚) School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240...; Abstract: Ti-23Nb-0.7Ta-2Zr-O (TNTZO, molar fraction, %) alloy is a newly developed multifunctional β-type titanium alloy. This alloy was reported to deform via......
)Abstract:Stainless die with micro-groove and micro-hole have been designed and manufactured, which has been used to study superplastic microforming of 2091Al-Li alloy by means of superplastic forming... micro-rib specimen, behavior of material could be understood well.Key words:superplasticity; microforming; extrusion; 2091Al-Li alloy......
Trans. Nonferrous Met. Soc. China 22(2012) s656-s660 Microforming of superplastic 5083 aluminum alloy Md. Abu Mowazzem HOSSAIN1, Sung-Tae HONG1, Kyu-Yeol PARK1, Young-Sang NA2 1. School of Mechanical...: The mechanical behavior of superplastic 5083 aluminum alloy during microforming process was investigated by finite element analysis. A micro V-groove die was modeled to analyze the effects of forming......
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Microstructure and mechanical properties of Mg-5.6Li-3.37Al-1.68Zn-1.14Ce alloy WANG Tao(王涛)1, 2, ZHANG Mi-lin(张密林)1, WU Rui-zhi(巫瑞智)1 1. Key Laboratory of Superlight Materials and Surface...; Abstract: Mg-5.6Li-3.37Al-1.68Zn-1.14Ce alloy was prepared using vacuum......