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TWO-DIMENSIONAL NUMERICAL ANALYSIS OF PLASMA IMMERSION ION IMPLANTATION OF CYLINDRICAL BORES

A. G. Liu , X.F. Wang , L.P. Wang , S. Y. Wang , B. Y. Tang and P.K. Chu 1) Advanced Welding Production Technology National Key Laboratory , HIT , Harbin 150001 , China 2) Department of Physics and Material Science , City University of Hong Kong , 83 Tat Chee Avenue , Kowloon , Hong Kang , China

金属学报(英文版)

Plasma immersion ion implantation (PIII), unrestricted by sight-light process, is considered a proper method for inner surface strengthening. Two-dimensional simulation oj inner surface PIII process of cylindrical bores were carried out in this paper using cold plasma fluid model, and influence of...

关键词: plasma immersion ion implantation , null , null , null

Strength Improvement of CVD SiC Fibers by Electrochemical Surface Treatment

Xinchun CHANG , Jianqiang WANG , Nanlin SHI and Zhuangqi HU (State Key Lab. of RSA , Institute of Metal Research , Chinese Academy of Sciences , Shenyang 110015 , China)Yijun DU , (Manufacturing Engineering Dept. , City University of Hong Kong , Kowloon , Hong Kong)

材料科学技术(英文)

An electrochemical sudece-treatment method has been used for modifying surface condition of large diameter CVD SiC (W core) fibers. The average tensile strength of the fibers was increased obviously from 2270.1 to 3002.9 MPa. X-ray photoelectron spectroscopy (XPS) studies on the treated fiber sudece...

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