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Microstructures and mechanical properties of AZ91D magnesium alloy processed by low pressure die casting JIANG Hai-yan(蒋海燕), FU Peng-huai(付彭怀), YU Yan-dong(于彦东), ZHAI Chun-quan(翟春泉) National... and mechanical properties of LPDC AZ91D are improved with fine microstructures. Key words: AZ91D; magnesium alloys; low pressure die cast; microstructure; porosity; mechanical property 1 Introduction......
for applications in automotive, aerospace and other industries. AZ91D magnesium alloy is one of the most favorable alloys for the high pressure die casting due to its excellent mechanical properties... of liquid alloy. Key words: AZ91D magnesium alloy; microstructure; semi-solid die casting process; morphology  ......
. The mechanism of mechanical properties improvement caused by the combined addition of Y and Ca was also discussed. Key words: die casting magnesium alloy; AZ91Mg alloy; yttrium; calcium; microstructure; tensile... attention in recent years[1]. Die casting magnesium alloy products are increasingly used in automotive industry due to its low density, high specific strength and specific stiffness, good castability......
die during the extrusion of a magnesium alloy into a square tube and the effect of ram speed on weld strength [J]. Journal of Materials Processing Technology, 2008, 200: 185-198. [11] LI L, ZHANG H... porthole die extrusion and evaluated the factors determining the quality of the weld seams. LI et al [11] suggested that the ratio of the maximum normal pressure in the welding chamber to the flow......
dendrite arm spacing(SDAS) and eliminating of micro-porosity in the alloy caused by applied pressure. Key words: Al-Cu-based alloy; squeeze casting; microstructure; mechanical property  ... Effect of pressure on microstructures and mechanical properties of Al-Cu-based alloy prepared by squeeze casting ZHANG Ming(张 明), ZHANG Wei-wen(张卫文), ZHAO Hai-dong(赵海东), ZHANG Da-tong(张大童), LI......
June 2010 Abstract: The feasibility of semi-solid die casting of ADC12 aluminum alloy was studied. The effects of plunger speed, gate thickness, and solid fraction of the slurry on the defects were... Feasibility of semi-solid die casting of ADC12 aluminum alloy S. JANUDOM1, T. RATTANOCHAIKUL1, R. BURAPA2, S. WISUTMETHANGOON3, J. WANNASIN1 1. Department of Mining and Materials Engineering......
Effect of process parameters on density of magnesium alloy parts by low-pressure expendable pattern casting LI Ji-qiang(李继强), FAN Zi-tian(樊自田), DONG Xuan-pu(董选普) State Key Laboratory of Material... alloys. The researches are focused on the effect of process parameters on the internal casting quality of magnesium alloy parts. AZ91D magnesium alloy castings were produced for different......
Compressive behavior of NiAl/(Cr,Mo)Hf alloy prepared by high-pressure die casting and hot isostatic pressing DU Xing-hao(杜兴蒿)1, GUO Jian-ting(郭建亭)2 , WU Bao-lin(武保林)1 1. Department of Materials... Received 28 July 2006; accepted 15 September 2006 Abstract: The NiAl-28Cr-5.85Mo-0.15Hf alloy was prepared by high-pressure die casting (HPDC) and subsequent hot isostatic pressing(HIP), and tested......
Heat transfer characteristics of lost foam casting process of magnesium alloy LIU Zi-li(刘子利)1, 2, PAN Qing-lin(潘青林)2, CHEN Zhao-feng(陈照峰)1, LIU Xi-qin(刘希琴)1, TAO Jie(陶 杰)1 1. College... of magnesium alloy lost foam casting(LFC) process were explored. The results indicate that without vacuum a positive thermal gradient from the gate to the end of the casting was formed immediately after......