共搜索到7787条信息,每页显示10条信息,共779页。用时:0小时0分0秒828毫秒
......
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......
Microstructure and mechanical properties of magnesium alloy prepared by lost foam casting TIAN Xue-feng(田学锋), FAN Zi-tian(樊自田), HUANG Nai-yu(黄乃瑜), WU He-bao(吴和保), DONG Xuan-pu(董选普) (State Key...: The microstructure and mechanical properties of AZ91 alloy prepared by lost foam casting(LFC) and various heat treatments have been investigated. The microstructure of the AZ91 alloy via LFC consists of dominant α......
Trans. Nonferrous Met. Soc. China 20(2010) s768-s773 Microstructural evolution of Mg9AlZnY alloy with vibration in lost foam casting during semi-solid isothermal heat treatment... 430074, China Received 13 May 2010; accepted 25 June 2010 Abstract: The nearly equiaxed grains of Mg9AlZnY alloy were obtained by vibrating solidification in lost foam casting(LFC......
......
Microstructure and mechanical properties of Mg-Gd-Y-Zr alloy cast by metal mould and lost foam casting LI Ji-lin, CHEN Rong-shi, KE Wei State Key Laboratory for Corrosion and Protection... of Mg-10.1Gd-3.74Y-0.25Zr (mass fraction, %) alloy (GW104 alloy) cast by metal mould casting (MMC) and lost foam casting (LFC) were evaluated, respectively. It is revealed that different forming modes do......
Trans. Nonferrous Met. Soc. China 22(2012) 2092-2097 Effect of pattern coating thickness on characteristics of lost foam Al-Si-Cu alloy casting Majid KARIMIAN1, 2, Ali OURDJINI2, Mohd HASBULLAH..., Iran Received 17 November 2011; accepted 18 April 2012 Abstract: An experimental study on lost foam casting of an Al-Si-Cu alloy was conducted. The main objective was to study the effect of pattern......
, Changsha 410083, China Received 28 July 2006; accepted 15 September 2006 Abstract: Lost foam casting (LFC) is regarded as a cost-effective, environment-friendly vital option to the conventional... particle. Key words: magnesium alloy; lost foam casting; vacuum; solidification process; microstructure 1 Introduction Magnesium alloys exhibit great potential in mass reduction for aerospace......
(EPSC-VL) were compared with those of lost foam casting (LFC) process by OM and SEM techniques. The results show that microstructure of A356 alloy produced by EPSC-VL is finer and denser than... roughness of castings made by EPSC-VL is better than that of LFC.Key words:aluminum alloy; expendable pattern shell casting with vacuum and low-pressure; lost foam casting; microstructure; properties......
和使枝晶臂熔断来细化晶粒. 关键词: AZ91镁合金; 消失模铸造; 机械振动; 力学性能 中图分类号: TG146.2 文献标识码: A Effect of mechanical vibration on microstructure and mechanical properties of lost foam casting magnesium alloy TIAN... investigated via lost foam casting (LFC). The refining microstructure mechanism of the casting alloy under vibration force was also analyzed. The results show that mechanical vibration can produce finer......