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. Key words: semi-solid metal (SSM) forming; alloy 7075; alloy 2024; alloy 6082; alloy A201; surface liquid segregation 1 Introduction Semi-solid metal (SSM) processing is a unique... thickness). The Ag-database for OES measurements is not available, therefore, the Ag-depth profile can not be conducted for the A201 alloy. Table 1 Chemical composition limits for Al alloys 7075, 2024, 6082......
7075-T6铝合金搅拌摩擦焊焊缝表面带状纹理的组织与性能康举1,栾国红2,付瑞东3(1.北京市北京航空材料研究院先进复合材料国防科技重点实验室2.北京航空制造工程研究所 中国搅拌摩擦焊中心3.燕山大学 材料科学与工程学院)摘 要:对1.6 mm厚7075-T6铝合金板进行了搅拌摩擦焊接(FSW),研究了焊缝表面带状纹理的组织与性能.研究表明,焊缝金相组织在轴肩作用区内存在明暗相间的弧纹,明弧纹对应带状纹理的波谷,暗弧纹对应波峰.SEM和TEM分析表明,与波谷处相比,波峰处为细晶区和第二相粒子的富集区,导致波谷处的硬度比波峰处低.关键词:7075铝合金； 搅拌摩擦焊 (FSW)； 带状纹理； 微观组织； 力学性能......
REHEATING TEMPERATURE CONTRAST AND MICROSTRUCTURES OF 7075 A1 ALLOY CAST BY LIQUIDUS SEMI-CONTINUOUS CASTING G.M.Lu1,J.Dong1,J.Z.Cui1 (1.The Key Lab. of Electromagnetic Processing of Material, Ministry of Education, Northeastern University,Shenyang 110004, China) Abstract:In this study, reheating of liquidus semi-continuous east billets of 7075 Al alloy wascarried out in a resistance furnace......
Dissimilar friction stir welding between 5052 aluminum alloy and AZ31 magnesium alloy YAN Yong(鄢 勇), ZHANG Da-tong(张大童), QIU Cheng(邱 诚), ZHANG Wen(张 文) School of Mechanical and Automotive... aluminum alloy; AZ31 magnesium alloy; microstructure evolution; mechanical property 1 Introduction Aluminum alloys are widely used in automotive, aerospace and ship industries due to the combination......
-stretching of 7075 aluminum alloy thick-plate were studied. The results show that the faster the quenching speed, the larger the residual stress of aluminum alloy thick-plate. The compressive stress..., 24(4): 336-338.WANG Qiu-cheng, KE Ying-lin, ZHANG Qiao-fang. Evaluation of residual stress depth profiling in 7075 aluminum alloy plates[J]. Acta Aeronautica et Astronautica Sinica, 2003, 24(4......
aluminum alloy designed to be a successor to 7075 aluminum. A key difference between 7050 and 7075 is the addition of zirconium instead of chromium as a recrystallization inhibitor. Furthermore, the high... TEM study on microstructures and properties of 7050 aluminum alloy during thermal exposure SHEN Kai(沈 凯)1 , CHEN Jin-ling(陈金灵)1, YIN Zhi-min(尹志民)2 1. School of Materials Science and Technology......
and coupled effects have a significant influence on forming process and quality of component formed, which are very complex in forming process of aluminum alloy 7075 cross valve under multi-way... integral components with light materials such as the cross valve body components of aluminum alloy 7075 can meet these requirements[4], and thus more attention is paid to it. But the plasticity......
7075高强度铝合金锻造晶粒细化原理的数值仿真研究 李斌1,杨智春1,马光来2 (1.西北工业大学,陕西,西安,710072;2.西北有色金属研究院,陕西,西安,710016) 摘要:采用考虑热机耦合效应的刚塑性有限元方法,对正方体形7075铝合金的锻造过程和晶粒细化过程进行了数值模拟,所采用的晶粒细化模型为Yada模型.结果表明,锻件内的应力,应变,应变速率,温度分布不均,模型中心区域为...性,指明了它的适用范围. 关键词:晶粒细化; 热锻造; 7075铝合金; 刚塑性有限元法; [全文内容正在添加中] ......
series aluminum alloys [J]. Solid State Phenomena, 2006, 116/117:758-761. [5] JANG D I, YOON Y O, KIM S K. Thixoextrusion for 7075 Al wrought alloy tube[J]. Solid State Phenomena, 2008, 141/142/143: 267-270. [6] WANG Wei-wei, SONG Jian-li, LUO Shou-jing. Preparation of large-diameter semi-solid 7075 aluminum alloy billets[J]. Solid State Phenomena, 2008, 141/142/143: 361-365. [7......
and thixoforming of a wrought aluminum alloy 7075 [J]. Mater Sci Eng A, 2003, A345: 234-242. [9] XIA K, TAUSIG G. Liquidus casting of a wrought aluminum alloy 2618 for thixoforming [J]. Mater Sci Eng A, 1998... Preparation of semi-solid slurry containing fine and globular particles for wrought aluminum alloy 2024 GUO Hong-min(郭洪民)1, YANG Xiang-jie(杨湘杰)2 1. School of Materials Science and Engineering......
