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图分类号:TG 174.443 文献标识码:A Microstructure and impact properties of slow injection A356 die castings with partial squeeze BAI Yan-fei, ZHAO Hai-dong, LI Yuan-yuan, KANG Zhi-xin... of slow injection A356 die casting with partial squeeze were investigated. The results show that as for the as-cast castings, eutectic Si particles are characterized as fibrous or long acicular shape......
of fabricating complicated shaped parts, low machinability may be a barrier to practical uses. Therefore, it is considered to be very available that metal injection molding(MIM) process is applied...Mechanical properties and microstructure of Ti-6Al-4V compacts by metal injection molding GUO Shi-bo(郭世柏), QU Xuan-hui(曲选辉), HE Xin-bo(何新波), DUAN Bo-hua(段柏华) (School of Materials Science......
C. Analysis of gas utilization efficiency in injection refining process [C]//ISIJ Meeting. Tokyo, Japan, 2009: 166. [15] LIU Y, SANO M, WANG Q, ZHANG T A, HE J C. Physical simulation... Mechanical stirring for highly efficient gas injection refining LIU Yan1, ZHANG Ting-an1, Masamichi SANO2, WANG Qiang1, REN Xiao-dong1, HE Ji-cheng1 1. Key Laboratory of Ecological Utilization......
; 文章编号:1672-7207(2018)10-2430-08 Development of high-efficiency gemini foaming agent ULT-1 for coalbed methane well LI Zhiyong1, SONG Wenwen1, WANG Degui2, WU... Coalbed Methane Corporation, Ltd., Beijing 100015, China; 3. Zhanjiang Branch of CNOOC Ltd., Zhanjiang 524057, China) Abstract: The relationship between molecular structure of foaming agent and foaming......
Influence of melt superheat on breakup process of close-coupled gas atomization OUYANG Hong-wu(欧阳鸿武), CHEN Xin(陈 欣), HUANG Bai-yun(黄伯云) State Key Laboratory of Powder Metallurgy, Central South...; Abstract: In close-coupled gas atomization(CCGA), the influences of melt superheat on breakup process are fundamental to obtain......
Comparative modeling of gas transport in isothermal chemical vapor infiltration process of C/SiC composites WEI Xi(魏 玺), CHENG Lai-fei(成来飞), ZHANG Li-tong(张立同), XU Yong-dong(徐永东), ZENG Qing... of ICVI process of C/SiC composites. Key words: C/SiC composites; modeling; isothermal chemical vapor infiltration; gas transport; convection 1 Introduction Carbon fiber-reinforced silicon carbide (C......
> 关键词: 泡沫渣;内生气源;平均发泡寿命;发泡强度;发泡性能; 中图分类号: TF01 收稿日期:1999-12-30 基金:国家自然科学基金资助项目! (5 99740 0 2 ); Average foaming life and foaming intensity of foaming process originated from... formation and rupture coefficients, the foaming process originated from the reaction in the melt can be described quantitatively. By simplifying foam equation of decomposition of the carbonate in borate......
, 1999, 19(10): 1071-1080. [2] PIROUZPANAH V, KASHANI B O. Prediction of major pollutants emission in direct-injection dual-fuel diesel and natural gas engines [J]. SAE Paper, 1999, 990841. [3] KUSAKA J...-injection diesel engine dual fueled with natural gas [J]. SAE Paper, 1995, 952436. [12] DAISHO Y, YAEO T, KOSEKI T, SAITO T, KIAHARA R. Combustion and exhaust emissions in a direct-injection Diesel engine......
oxide coating [7,8] are regarded as the prospective alternatives in corrosion-resistance applications and in machining industry. During the process of AIP, The control of reactive gas is critical.... During the process of reactive sputtering, when reactive gas pressure is high enough, a thin layer of nitride or oxide will be formed on the target surface and which is called "target poisoning" [9......
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