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of the entire alloy billets are much higher and more uniform than those of the alloy without ultrasonic field. Key words: magnesium alloy; ultrasonic field; semi-continuous casting; microstructure; mechanical... of semi-continuous casting of AZ80 magnesium alloy billet under ultrasonic vibration condition used in this research consisted of a metallurgic ultrasonic system, a billet mold, a casting control system......
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than 100 ?m. When the casting speed is 45-50 mm/min, the best grain refinement is obtained. Key words: 7050 aluminum alloy; ultrasonic power; casting speed; semi-continuous casting; solidification... in the preparation of aluminum products. Direct chill is a prevailing semi-continuous casting method in the production of aluminum alloy ingots [1-6]. The difficulties in the casting process of high......
plays an important role at higher vibration frequencies. Key words: magnesium alloy; electromagnetic vibration; microstructure formation; grain refinement; solidification  ... Microstructure formation and grain refinement of Mg-based alloys by electromagnetic vibration technique M. J. LI, T. TAMURA, N. OMURA, K. MIWA National Institute of Advanced Industrial Science......
. Key words: electromagnetic stirring; semi-solid; continuous casting; Al-6Si-3Cu-Mg alloy 1 Introduction The direct chill casting process has been used almost exclusively to produce aluminum ingots... or rosette-like, and homogeneous in the billet. References [1] VIVES C, RICOU R. Experimental study of continuous electromagnetic casting of aluminum alloy [J]. Metall Trans B, 1985, 16(2): 377-384......
; Abstract: The effects of pouring temperature and annulus gap width on the microstructure of the semi-solid A357 aluminum alloy... in the inner of the slurry. Key words: electromagnetic stirring; semi-solid slurry; A357 aluminum alloy  ......
Investigation of Out-Phase Electromagnetic Casting of Aluminum Alloy () 摘要:The influences of out-phase electromagnetic field on the as-cast structure of horizontal direct chill casting aluminum... changes from columnar grains to equiaxed grains and grain size decreases. 关键词:out-phase electromagnetic field; aluminum alloy; horizontal direct chill casting; as-cast structure; [全文内容正在添加中] ......
Distribution of Si particles in hypereutectic aluminum alloy tubes prepared under electromagnetic field ZHANG Zhi-qing(张志清)1, 2, LI Qiu-lin(李丘林)2, LIU Wei(刘 伟)1, LIU Qing(刘 庆)1 1. Laboratory... July 2006; accepted 15 September 2006 Abstract: Hypereutectic Al-Si alloy tubes were produced by centrifugal casting process using an electromagnetic field (EMF). A gradient distribution......
Direct-chilling casting of Mg alloy under electromagnetic and ultrasonic combined field CUI Jian-zhong(崔建忠), ZHANG Zhi-qiang(张志强), LE Qi-chi(乐启炽) Key Laboratory of Electromagnetic... are improved. Key words: low frequency electromagnetic field; ultrasonic field; Mg alloy; DC casting 1 Introduction Grain refinement is an effective way to improve the workability and strengthening......
Metals, 2008, 27(8): 23-27. (in Chinese) [12] WANG Ping, LU Gui-min, CUI Jian-zhong. Microstructure of nearby liquidus semi-continuous casting aluminum alloy A356 [J]. ACTA Metallurgica Sinca, 2002... Rheo-squeeze casting of semi-solid A356 aluminum alloy slurry MAO Wei-min(毛卫民), ZHENG Qiu(郑 秋), ZHU Da-ping(朱达平) School of Materials Science and Engineering, University of Science and Technology......