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EFFECT OF EXCIMER LASER PRETREATMENT ON DIAMOND FILM DEPOSITED ON HARD ALLOY SUBSTRATE |
LI Chengming; WANG Jianming; XU Zhong (Taijuan University of Technology; Taiyuan 030024)LU Fanxiu; WANG Jianjun (University of Science and Technology Beijing; Beijing 100083) |
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Cite this article:
LI Chengming; WANG Jianming; XU Zhong (Taijuan University of Technology; Taiyuan 030024)LU Fanxiu; WANG Jianjun (University of Science and Technology Beijing; Beijing 100083). EFFECT OF EXCIMER LASER PRETREATMENT ON DIAMOND FILM DEPOSITED ON HARD ALLOY SUBSTRATE. Acta Metall Sin, 1996, 32(9): 966-970.
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Abstract Adhesion strength of diamond film with substrate WC-6% Co (YG6) subjected to different pre-treatments was studied. It was found that the adhesion was greatly increased by excimer laser irradiation pre-treatment. The mechanisms responsible for this adhesion enhancement are due to the selective evaporation of cobalt and, to a larger extent, due to the "anchoring effect" resulted from the surface modification (roughening) by the energetic excimer laser beam.
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Received: 18 September 1996
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1MurakawaM.SurCoatTechnol,1988;36:3032KikuchiW.JPPat.63-53268,19883SaitoY,SatoK,MatudaS,KoinumaH.JMatSci.1991;26:29374SaijoK,YagiM,ShibukiK,SadahiroT.JPPat,03-20467,19915MurakawaM,TakeuchiS.ThinSolidFilms,1989;181:1436KawaiC.JPPat,04-2401,1992 |
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