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Establishment of hydrogen measurement system for magnesium alloy melt XU Si-xiang(许四祥), WU Shu-sen(吴树森), MAO You-wu(毛有武), AN Ping(安 萍) State Key Laboratory of Material Processing and Die &... ℃, and hydrogen content lineally increases with the increase of temperature. Key words: magnesium alloy melt; hydrogen content; thermodynamic equation; measurement 1 Introduction The most notable gas......
, 1990, 35(2): 555-561. [30] SUN Ya-ru, LIU Zhen, WU Di. Study on chemical oxidation film of AZ91 magnesium alloy [J]. Surface Technology, 2004, 33: 43-48. (in Chinese) [31] XUE Wen-bin, LAI Yong-chun, DENG Zhi-wei, CHEN Ru-yi, LIU Gao. The properties of coating formed by microplasma oxidation on magnesium alloy [J]. Material Science and Technology, 1997, 5: 89-92. (in Chinese) [32] CLARK A E......
Development of magnesium composite alloy by a new method combining B2O3 addition and melt stirring BU Le-ping(卜乐平)1,2, S. TANAKA1, M. TSUSHIDA3, S. ANDO3, H. TONDA3 1. Graduate School...; Mg-Al-Ti alloy; B2O3; melt stirring; grain size 1 Introduction In recent years, to reduce energy consumption of automotive, research and development of magnesium alloys have been greatly promoted......
magnesium alloy fabricated by strain-induced melt activation(SIMA) processing was investigated. The specimens were subjected under deformation ratios of 0%, 22% and 40% and various heat treatment time... treatment temperature) and 40min(time). The as-cast AZ61 magnesium alloy isnt fit for semi-solid forming. Key words: strain-induced melt activation(SIMA); AZ61 magnesium alloy; non-dendrites......
Preparation of AZ91D magnesium alloy semi-solid billet by new strain induced melt activated method JIANG Ju-fu(姜巨福)1, 2, LUO Shou-jing(罗守靖)1, ZOU Jing-xiang(邹经湘)2 1. School of Materials Science...; accepted 6 April 2006 Abstract:New strain induced melt activated (new SIMA) method for preparing AZ91D magnesium alloy semi-solid billet is introduced by applying equal channel angular extrusion......
May 2010; accepted 25 June 2010 Abstract: Semisolid billet of AZ80 magnesium alloy was prepared by new strain induced melt activated (new SIMA) process and thixoforging experiment was performed... such as tensile strength of 298 MPa and elongation of 28% can be developed in final part thixoforged. Key words: AZ80 magnesium alloy; semi-solid forming; thixoforging; semisolid billet; strain induced melt......
Influences of melt treatment on grain sizes and morphologies of AZ91D alloy QI Xiang-chao(齐祥超)1, TANG Jing-lin(唐靖林)1, 2, LI Shuang-shou(李双寿)1, 2, ZENG Da-ben(曾大本)1 1. Department of Mechanical... properties[1-2], and also the key technological parameters in magnesium alloys processing. The researches[1-6] indicate that the melt modification treatment of alternatives (carbon powders, carbon compounds......
. Key words: magnesium alloy; melt protection; SF6; surface film; protection mechanism ... a layer of MgF2 was presented. HFC134a/N2 atmosphere is suitable for protecting AZ91D magnesium alloy in the sealed furnace. The minimum concentration to protect magnesium melt at 760 ?C is 0.003......
thixomolding[J]. Trans Nonferrous Met Soc China, 2005, 15(s3): s236-s240. [10] JIANG Ju-fu, LUO Shou-jing, ZOU Jing-xiang. Preparation of AZ91D magnesium alloy semi-solid billet by new strain induced melt... Trans. Nonferrous Met. Soc. China 20(2010) s749-s753 Microstructure of AZ91D magnesium alloy semi-solid billets prepared by SIMA method from chips XU Hong-yu(许红雨), JI Ze-sheng(吉泽升), HU......
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