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boundaries, which restrain the grain growth. Key words: Mg-14Li-1Al alloy; microstructure; grain refinement; second phase 1 Introduction Mg-Li alloys are the lightest magnesium alloys and have much better plasticity than the general Mg-Al or Mg-Zn alloys[1-2]. Mg-14Li-1Al (LA141) alloy is a typical Mg-Li based alloy, containing full β-Li phase at room temperature. It possesses superior plasticity......
Grain refinement and plastic formability of Mg-14Li-1Al alloy JIANG Bin(蒋 斌)1, 2, YIN Heng-mei(殷恒梅)2, LI Rui-hong(李瑞红)1, 2, GAO Liang(高 亮)1, 2 1. National Engineering Research Center... January 2010 Abstract: Al-5Ti-1B master alloy was added into Mg-14Li-1Al (LA141) alloy and then LA141 sheets were prepared by extrusion and cold rolling. The effect of the addition level of Al-5Ti-1B......
The Strengthening of Cu-15Ni-8Sn Alloy WANG Ming-Pu1,WANG Yan-hui1,HONG Bin1 (1.School of Material Science and Engineering, Central South University, Changsha China) 摘要:The microstructure, property and relation between them of Cu-15Ni-8Sn alloy are studied by means of TEM and the measurement of hardness. The results show that γ '' metastable phase strengthens alloy because of its ordering......
The Technological Improvements of Aluminum Alloy Coloring by Electrolysis LI Nai-jun1 (1.Teachers College, Shenyang University, Shenyang 110015, P. R. China) 摘要:The technological process of coloring golden-tawny on aluminum alloy by electrolysis was improved in this paper. The optimum composition of electrolyte was found, the conditions of deposition and anodic oxidation by electrolysis were......
Microstructure and Performances of Nanocrystalline Zinc-nickel Alloy Coatings LI Guang-yu1,NIU Li-yuan1,JIANG Zhong-hao1,LIAN Jian-she1 (1.The Key Lab of Automobile Materials, Ministry of Education, China, College of Materials Science and Engineering, Jilin University, Nanling Campus, Changchun, 130025, China) 摘要:Nanocrystalline zinc-nickel alloy coatings were deposited from an alkaline......
Alloy 20不锈钢薄板等离子弧焊接工艺研究赵斌,王宾宾,王小华中国船舶重工集团公司第七二五研究所摘 要:对Alloy 20不锈钢薄板进行了等离子弧焊接工艺试验研究.结果表明,采用等离子弧焊接方法,ERCr Ni Mo-3焊材及合理的焊接工艺参数,等离子弧焊接工艺可用于Alloy 20不锈钢薄板的焊接,焊接接头各项性能均能满足要求.关键词:Alloy 20;不锈钢薄板;等离子弧焊接;......
. After extrusion at 250℃, the grain of Mg-5Li-1Al and Mg-9Li-1Al alloys are arranged along the extruded direction, but the microstructures of Mg-14Li-1Al alloy sheet consist of equiaxed crystals...心,重庆 400044) 摘 要:通过OM,SEM,XRD和拉伸实验研究3种典型的Mg-Li-Al合金的铸态和挤压态组织及力学性能.结果表明:随着Li含量的增加,合金的结构从密排六方向体心立方转变,合金的铸态组织随之发生改变.经过250 ℃挤压处理后,Mg-5Li-1Al和Mg-9Li-1Al合金的晶粒沿挤压方向呈方向性排列,Mg-14Li-1Al合金由均匀的等轴晶(再结晶晶粒)组成......
Study on Thermomagnetic Treatment Fe-25.5Cr-12Co Permanent Magnetic Alloy Zhen Liang1,GAO Run-sheng2,ZHU Dan-yang1,SUN Xue-yin1,SHAO Wen-zhu1,XU Ren-gen1 (1.Technology and Development Centre... Fe-25.5Cr-12Co alloy by different process of thermomagnetic treatment were investigated. It is found that magnetic properties are sensitive to parameters of thermomagnetic treatment process in magnetic......
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] ......