共搜索到69412条信息,每页显示10条信息,共6942页。用时:0小时0分0秒386毫秒
]. International Materials Reviews, 1994, 39(5): 173-189. [6] SONG Y B, HONG C P. Grain refinement of 6061 Al alloy by the modified strain-induced melt-Activated (SIMA) process for semi-solid processing... Trans. Nonferrous Met. Soc. China 20(2010) s744-s748 Microstructure of semi-solid ADC12 aluminum alloy adopting new SIMA method WANG Zhen-yu(王振宇), JI Ze-sheng(吉泽升), SUN Li-xin(孙丽鑫......
the processing properties of 7A09 alloy in later semi-solid forming process. In Liu’s research about liquidus casting of Al alloy 7075[12], in-situ synthesized TiC particulate also plays the same role. 3.4... 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......
Effect of predeformation on semi-solid microstructure of ZK60+RE magnesium alloy ZHAO Zu-de(赵祖德), CHEN Qiang(陈 强), WANG Yan-bin(王艳彬), SHU Da-yu(舒大禹) Southwest Technique and Engineering Institute... isothermal holding in the semi-solid state. According to the above results, the initial grain size of ECAE formed alloys is finer than that of compression formed alloy in the semi-solid state. This can......
of grain-refined by yttrium on the morphology and the grain size of the primary α-Al in semi-solid Al7Si0.3Mg alloy are researched. The results indicate that semi-solid Al7Si0.3Mg alloy with particle... alloy are markedly improved by 0.5 wt pct Y. The refining mechanism of Y on the morphology and the grain size of the primary α-Al in semi-solid Al7Si0.3Mg alloy are delved.关键词:......
Effect of Semi-Solid Isothermal Heat Treatment on Microstructure of ZL104 Aluminum Alloy () 摘要:The feasibility of fabricating ZL104 aluminum alloy with non-dendritic microstructure by semi-solid isothermal heat treatment process and the effects of holding temperature and time on the semi-solid isothermal heat-treated microstructure of the alloy, are investigated. The research results indicate......
can be multiplied and spheroidized finally. Key words: semi-solid; A356 aluminum alloy; serpentine channel; primary α(Al) 1 Introduction Semi-solid forming of metals offers numerous advantages over... Schematic diagram of preparing semi-solid A356 Al-alloy slurry by serpentine channel pouring process: (a) Controlling superheat of A356 Al-alloy; (b) Preparing semi-solid A356 Al-alloy slurry; (c) Quenching......
and α(Al) 4 Conclusions 1) A combination of the SEED process, isothermal holding using insulation and addition of solid alloy during swirling can be used to rheoprocess semi solid A390 alloy. 2... in A390 hypereutectic Al-Si alloy [C]//The 8th International Conference of Semi Solid Processing (S2P). Limassol, Cyprus, 2004: Paper #14-1. [10] HAGA T, KAPRANOS P. Simple rheocasting processes [J......
. Table 3 Semi-solid extrudability of A356 Al-alloy 3.2 Microstructure uniformity The microstructures at the center of the cross section of the three samples which pass the length criterion... properties of extruded Al-Si alloy (A356) in the semi-solid state [J]. Materials and Design, 2009, 30: 4469-4477. [5] JANG D I, YOON Y O, KIM S K. Thixoextrusion for 7075 Al wrought alloy tube [J]. Solid......
......
L, SUERY M, CHARENTENAY Y, LOUE W. Microstructural evolution and rheological behaviour in the semi-solid state of a new Al-Si based alloy [C]//Proc 4th Int Conf Semi-Solid Processing of Alloys... inhibit the migration of liquid film grain boundaries. This could be the result of pinning or of the liquid film impeding diffusion at the boundary. Key words: coarsening; semi-solid metal; 2014 alloy......