共搜索到26446条信息,每页显示10条信息,共2645页。用时:0小时0分0秒656毫秒
Preparation of casting alloy ZL101 with coarse aluminum-silicon alloy YOU Jing(尤 晶)1, WANG Yao-wu(王耀武)1, FENG Nai-xiang(冯乃祥)1, YANG Ming-sheng(杨明生)2 1. School of Materials Science and Metallurgy... by carbothermal reduction of aluminous ore contains 55% Al, 25% Si and some impurities. The main impurities are slag and iron. The process of manufacturing casting Al-Si alloy ZL101 with the coarse......
Numerical simulation on thixoforging of electronic packaging shell with SiCp/A356 composites WANG Kai-kun(王开坤) 1, WANG Fu-yu(汪富玉)1, CHEN Xue-jun(陈学军)2, WANG Lu(王 璐)2, MA Chun-mei(马春梅)1 1. School... 13 May 2010; accepted 25 June 2010 Abstract: Based on the research of modern electronic packaging materials, thixo-forming technology was used to fabricate electronic packaging shell. The process......
, China摘 要:<正> According to the actual working conditions of roller shell in the process of continuous roll casting, the Fourier heat transfer law... is studied during the process of continuous roll casting, and the steady temperature distributions of the roller shell at different casting velocities have been obtained when the thermal contact conductance......
and surface qualities of the slab. Keyword: continuous casting; electromagnetic brake; mold; flow pattern; Received: 2000-04-18 "高拉速连铸", "连铸-连轧...> The experiment which simulates continuous casting of steel was done on a casting experimental apparatus with flow control mold, the Pb Sn Bi alloy and silicon oil were adopted to simulate the molten steel......
Constitutive model for casting magnesium alloy involving spherical void evolution CHEN Bin(陈 斌), PENG Xiang-he(彭向和), FAN Jing-hong(范镜泓), SUN Shi-tao(孙士涛) Department of Engineering Mechanics...; Abstract: Casting magnesium alloys are highly heterogeneous materials inevitably......
. Some problems are met during the course of design, so entity’s model was adopted finally and the formal rotor counterbalance component casting pattern was confirmed. The rotor counterbalance... Preparation of helicopter rotor counterbalance component by means of permanent-mold casting LIU Zhao-jing(刘兆晶), ZUO Feng(左 锋), REN Shan-zhi(任善之), LI Feng-zhen(李凤珍) Institute of Materials Science......
inner-wall improves the effective area fraction of the nozzle, resulting in less jet impingement, weaker free surface turbulence and thicker solidifying steel shell. Key words:Slab continuous casting...EFFECT OF SEN DESIGN ON SURFACE FLUCTUATION AND SOLIDIFYING SHELL IN SLAB MOLD AND ITS OPTIMIZATION D.F.Wu1,S.S.Cheng1 (1.School of Metallurgical and Ecological Engineering,University of Science......
......
J. Cent. South Univ. Technol. (2009) 16: 0360-0364 DOI: 10.1007/s11771-009-0061-z Effect of low-frequency rotary electromagnetic-field on solidification structure of continuous casting... casting was investigated based on industrial experiments. The results show that the solidification structure of austenitic stainless steel can be remarkably refined, the central porosity and shrinkage......
influences the distribution of magnetic flux density in conductive media. In the process of electromagnetic casting, flow pattern and temperature field of the melt can be modified by means of frequency... can effectively reduce surface defects in HDC casting process. 2) Under the effects of low frequency electromagnetic field, the flow pattern of the melt and therefore, the temperature field......