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Structure and properties of ceramic coatings formed on aluminum alloys by microarc oxidation LIU Wan-hui(刘万辉), BAO Ai-lian(鲍爱莲), LIU Rong-xiang(刘荣祥), WU Wan-liang(武万良) College of Materials... is HV1 800, and the microarc oxidation coatings greatly improve the antiwear properties of aluminum alloys. Key words: 2024 alloy; ceramic coatings; aluminum alloys; microarc oxidation; wear......
Precipitate-Accommodated Plasma Nitriding for Aluminum Alloys Patama Visittipitukul1,Hideyuki Kuwahara2,Tatsuhiko Aizawa3 (1.Department of Metallurgical Engineering, Chulalongkorn University... the strength and wear resistance of aluminum alloy parts in automotives. Long duration time as well as long pre-sputtering time are required for plasma nitriding of aluminum or its alloys only......
Grain refining potency of LaB6 on aluminum alloy李鹏廷,田文婕,王栋,刘相法Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials,Ministry of Education,Shandong University摘 要:Al-LaB6 alloy was successfully prepared by aluminum melt reaction method.Microstructure analysis of this alloy was carried out by field emission scanning electron......
a wide decomposition temperature range and a mild decomposed rate; the foaming agent has the ability to enhance the viscosity of aluminum melt, as a result, an extra viscosifier such as Ca or SiCp...Novel foaming agent used in preparation process of aluminum foamsXiangyang Zhou, Xiquan Liu, Jie Li, and Hongzhuan Liu School of Metallurgical Science and Engineering, Central South University......
Grain refining potency of LaB6 on aluminum alloy李鹏廷,田文婕,王栋,刘相法Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials,Ministry of Education,Shandong University摘 要:Al-LaB6 alloy was successfully prepared by aluminum melt reaction method.Microstructure analysis of this alloy was carried out by field emission scanning electron......
-strength aluminum alloy are as follows: due to the spatial scale effects and non-uniform casting environment, the temperature field and melt flow field of the solidification region are unevenly..., and the attenuation effect did not exist; (2) the ultrasonic power was included in the cavitation threshold of ultrasonic in the aluminum alloy melt; (3) the impact of grain refiner on the ingot structure......
transmission, as shown in Fig.1. Fig.1 Apparatus for solidification of molten metals under ultrasonic stirring: 1 Ultrasonic probe; 2 Melt; 3 Thermocouple; 4 Crucible; 5 Asbestos plate 2.2 Aluminum... diameter and 76 mm in depth. The mass of each alloy ingot is about 320 g. The melt was superheated to a temperature of 750 ℃ above their liquidus temperature (liquidus: θL=649.5 ℃) of the aluminum alloys......
Effects of solution treatment and aging process on microstructure refining of semi-solid slurry of wrought aluminum alloy 7A09 WU Xin(吴 欣), HAN Fei(韩 飞), WANG Wei-wei(王卫卫) School of Material... as a pretreatment in preparing semi-solid slurry with fine microstructure before isothermal treatment of wrought aluminum alloy 7A09. Parameters of pretreatment were optimized by orthogonal experiment design......
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Research of Tribological Behaviors of a New Aluminum Bronze WANG Zhi-ping1,XU Jian-lin1,CHEN Chao2 (1.State Key Lab of Gansu New Non-ferrous Metal Materials, Lanzhou University of Science... strength and wear resistant aluminum bronze, with its friction coefficient and wear-rate lower than those of ZQAl9-4 and ZQAl10-4-4 alloys in terms of Chinese national standard.The results showed......
