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Effect of Mg on microstructures and properties of Al-Mg-Si-Cu aluminium alloys for automotive body sheets LIU Hong(刘 宏)1, 2, SONG Wen-ju(宋文举)1, ZHAO Gang(赵 刚)1,LIU Chun-ming(刘春明)1, ZUO...′nan 250100, China) Abstract: The effects of variation of Mg content on microstructures, the tensile properties and the formability of Al-Mg-Si-Cu alloys for automotive body sheets were investigated......
Effects of rare earth on microstructures and properties of Ni-W-P-CeO2-SiO2 nano-composite coatings GUO Zhongcheng1,WANG Junli2,WANG Hua1,XU Ruidong1 (1.Faculty of Materials and Metallurgical... (nano-SiO2) particles. The effects of nano-CeO2 concentrations in electrolyte on microstructures and properties of nano-composite coatings were studied. The samples were characterized with chemical......
topologically close-packed phase (TCP) can be found after aging for 1 000 h. Key words: Ni-based superalloy; long-term aging; microstructures evolution; carbides; γ ′ phase 1 Introduction... used as the gas turbine blades was investigated. The complex and multi-phase microstructures of the alloy were studied. The microstructure evolution process of the alloy was also summarized. 2......
Effect of Heat Treatment on Microstructures and Properties of Near-Isothermally Forged TiAl Alloy Containing Minor Ni ZHOU Li1,ZHANG Jian-wei2,CHEN Sun-yuan1,LIU Chang-sheng1,YUAN Zhi-shan1,ZHANG... transforming DP microstructure into FFL microstructure. The effect of heat treatment on microstructures and properties was studied. The results showed that the static recrystallization kinetics in (α+γ......
试时,每组实验测试3个点,取平均值以保证数据的准确性.利用Image-Pro Plus 软件分析测量Al2O3/AZ31复合材料的晶粒大小分布情况. 2 实验结果 2.1 微观组织分析 图1 Al2O3/AZ31复合材料的微观组织形貌 Fig. 1 Optical microstructures of Al2O3/AZ31 composites... and elongation are 83HV, 302 MPa, 203 MPa and 8.15%, respectively. Key words: solid-phase synthesis; AZ31 magnesium composites; mechanical property; strengthening mechanism; microstructures Foundation item......
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compression; processing map; microstructures 镁的密度仅为铝的2/3,钢的1/4,具有较高的比强度,比刚度,良好的热传导... AZ80镁合金铸态及均匀化组织 Fig.1 Optical microstructures of AZ80 Mg alloys: (a) F state; (b) H1 state; (c) H2 state 图2 AZ80镁合金不同状态下的真应力-真应变曲线 Fig.2 Curves of true stress-true strain......
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Effect of Yttrium on Microstructures and Properties at Elevated Temperature of Mg-0.8Zr-0.35Zn Alloys 王海波1,宁志良1,刘洪德2,梁维中1,刘洪汇2 (1.School of Metal Materials,Harbin University of Science and Technology,Harbin 150040,China;2.Harbin Dongan Autoengine Joint-Stock Co. Ltd,Harbin 150056,China) Abstract:The effects of Y addition on microstructures and properties of as-cast and solid solutioning......
Bi对Sn-Zn基无铅钎料合金组织与性能的影响陈伟1,胡强1,张富文2(1.北京市北京有色金属研究总院国家有色金属复合材料工程技术研究中心2.北京康普锡威焊料有限公司,北京 100088)摘 要:在Sn-(5~9)Zn二元钎料合金中加入1%~3%的Bi,研究Sn-Zn-Bi三元钎料合金的组织,熔化特性及润湿性.在Sn-Zn二元钎料合金结晶过程中,Sn-(5~7)Zn二元钎料合金形成富β-Sn的初生相,随着Zn量的增加,Sn-Zn二元钎料合金形成富Zn的初生相.添加Bi明显改善了钎料合金的润湿性能,当Bi添加量为......