A Pretreatment Method for Adhesion Enhancement of CVD Diamond Coatings on Cemented Carbide Substrates

MIAO Jinqi; SONG Jianhua; ZHAO Zhongqin; TONG Yumei; TANG Weizhong; LV Fanxiu

doi:10.13374/j.issn1001-053x.2003.05.040

Volume 25 Issue 5

Aug. 2021

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Article Navigation > Chinese Journal of Engineering > 2003 > 25(5): 441-444

MIAO Jinqi, SONG Jianhua, ZHAO Zhongqin, TONG Yumei, TANG Weizhong, LV Fanxiu. A Pretreatment Method for Adhesion Enhancement of CVD Diamond Coatings on Cemented Carbide Substrates[J]. Chinese Journal of Engineering, 2003, 25(5): 441-444. doi: 10.13374/j.issn1001-053x.2003.05.040

Citation:

MIAO Jinqi, SONG Jianhua, ZHAO Zhongqin, TONG Yumei, TANG Weizhong, LV Fanxiu. A Pretreatment Method for Adhesion Enhancement of CVD Diamond Coatings on Cemented Carbide Substrates[J]. Chinese Journal of Engineering, 2003, 25(5): 441-444. doi: 10.13374/j.issn1001-053x.2003.05.040

Citation:

MIAO Jinqi, SONG Jianhua, ZHAO Zhongqin, TONG Yumei, TANG Weizhong, LV Fanxiu. A Pretreatment Method for Adhesion Enhancement of CVD Diamond Coatings on Cemented Carbide Substrates[J]. Chinese Journal of Engineering, 2003, 25(5): 441-444. doi: 10.13374/j.issn1001-053x.2003.05.040

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A Pretreatment Method for Adhesion Enhancement of CVD Diamond Coatings on Cemented Carbide Substrates

doi: 10.13374/j.issn1001-053x.2003.05.040

Materials Science and Engineering School, University of Science and Technology Beijing, Beijing 100083, China

Received Date: 2003-01-23
Available Online: 2021-08-17

Abstract

Abstract

A method of two-step surface pretreatment utilizing two kinds of solutions 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 roughened the surface of the cemented carbide. Enhancements both on the quality and adhesion of the diamond coatings were observed.
- two-step surface pretreatment,
- diamond films,
- adhesion,
- cemented carbide