Journal of the Korean institute of surface engineering (한국표면공학회지)

The Korean Institute of Surface Engineering (한국표면공학회)
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Effect of Surfactant in Electroless Ni-B Plating for Coating on the Diamond Powder

다이아몬드 분말상에 무전해 Ni-B 도금을 위한 계면활성제의 영향

  • Yang, Changyol (Department of Materials and Chemical Engineering, Hanyang University) ;
  • Yu, Si-Young (Iljin Diamond Co., Ltd.) ;
  • Moon, Hwan-Gyun (Iljin Diamond Co., Ltd.) ;
  • Lee, Jung-Ho (Department of Materials and Chemical Engineering, Hanyang University) ;
  • Yoo, Bongyoung (Department of Materials and Chemical Engineering, Hanyang University)
  • 양창열 (한양대학교 첨단신소재공학과) ;
  • 유시영 (일진다이아몬드) ;
  • 문환균 (일진다이아몬드) ;
  • 이정호 (한양대학교 첨단신소재공학과재료화학공학과) ;
  • 유봉영 (한양대학교 첨단신소재공학과재료화학공학과)
  • Received : 2017.05.03
  • Accepted : 2017.05.22
  • Published : 2017.06.30
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Abstract

The properties of electroless Ni-B thin film on diamond powder with different parameters (temperature, pH, surfactant etc.) were studied. The surface morphology, structure and composition distribution of the Ni-B film were observed by field effect scanning electron microscope (FE-SEM), energy-dispersive spectrometer (EDS), X-ray diffraction (XRD) and Auger electron spectroscopy (AES). The growth rate of Ni-B film was increased with increase of bath temperature. The B content in Ni-B film was reduced with increase of bath pH. As a result the structure of Ni-B film was changed from amorphous to crystalline structure. The PVP in solution plays multi-functional roles as a dispersant and a stabilizer. The Ni-B film deposited with adding 0.1 mM-PVP was strongly introduced an amorphous structure with higher B content (25 at.%). Also the crystallite size of Ni-B film was reduced from 12.7 nm to 5.4 nm.

Keywords

References

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