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Your search keyword '"Tang, Weizhong"' showing total 1 results
Start Over Author "Tang, Weizhong" Topic cemented carbide Topic diamond films

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1 results on '"Tang, Weizhong"'

1. Effect of a two-step pretreatment method on adhesion of CVD diamond coatings on cemented carbide substrates

Author

Miao, Jinqi, Song, Jianhua, Xue, Yundong, Tong, Yumei, Tang, Weizhong, and Lu, Fanxiu

Subjects
*COATING processes, *DIAMONDS, *ADHESION, *CARBIDES
Abstract

A new method of two-step surface pretreatment utilizing two kinds of solutions (KOH:K3[Fe(CN)6]:H2O and H2SO4:H2O2) to etch, respectively, the surface WC and Co in cemented carbide substrates was investigated. Diamond films were deposited by means of the High Current Extended DC Arc Plasma CVD Equipment. The results showed that the two-step method can effectively remove the Co in cemented carbide substrates and obviously roughen the surface of the cemented carbide. As the result, enhancements both on the quality and adhesion of the diamond coatings were observed. [Copyright &y& Elsevier]

Published
2004
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