Journal of Surface Science and Engineering (한국표면공학회지)

The Korean Institute of Surface Engineering (한국표면공학회)
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Characteristics of TiAlCrSiN coating to improve mold life for high temperature liquid molding

고온 액상 성형용 금형 수명 향상을 위한 TiAlCrSiN 코팅의 특성

  • Yeo, Ki-Ho (Department of Metallurgical and Materials Engineering, Hanyang University) ;
  • Park, Eun-Soo (R&D Center, Eloi MaterialL(EML)) ;
  • Lee, Han-Chan (R&D Center, Eloi MaterialL(EML))
  • Received : 2021.10.29
  • Accepted : 2021.10.30
  • Published : 2021.10.31
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Abstract

High-entropy TiAlCrSiN nano-composite coating was designed to improve mold life for high temperature liquid molding. Alloy design, powder fabrication and single alloying target fabrication for the high-entropy nano-composite coating were carried out. Using the single alloying target, an arc ion plating method was applied to prepare a TiAlCrSiN nano-composite coating had a 30 nm TiAlCrSiN layers are deposited layer by layer, and form about 4 ㎛-thickness of multi-layered coating. TiAlCrSiN nano-composite coating had a high hardness of about 39.9 GPa and a low coefficient of friction of less than about 0.47 in a dry environment. In addition, there was no change in the structure of the coating after the dissolution loss test in the molten metal at a temperature of about 1100 degrees.

Keywords

Acknowledgement

본 연구는 산업통상자원부 및 한국산업기술평가관리원 전자부품산업기술개발-디스플레이혁신공정플랫폼구축사업의 일환으로 수행하였음[20016359, 곡률 반경 1.0mm 폴더블 디스플레이용 경량 힌지모듈 소재 및 제조기술 개발].

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