대한금속재료학회지 (Korean Journal of Metals and Materials)

  • 제49권11호
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  • Pages.831-838
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  • 2011
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  • 1738-8228(pISSN)
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  • 2288-8241(eISSN)
대한금속재료학회 (The Korean Institute of Metals and Materials)
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용융아연도금강판 코팅층 접합강도에 미치는 스팽글 크기의 영향

Effects of Spangle Size on the Mechanical Properties of Galvanized Steel Sheets

  • Hong, Moon-Hi (Automotive Steel Department, POSCO Kwangyang works) ;
  • Lee, Ju-Youn (Technical Research Laboratories, POSCO Kwangyang) ;
  • Paik, Doo-Jin (Technical Research Laboratories, POSCO Kwangyang)
  • 투고 : 2011.04.25
  • 발행 : 2011.11.25
⟨ 이전 논문 다음 논문 ⟩

초록

Effects of spangle size and crystallographic characteristics on the surface appearance, galling properties, and adhesive strength of hot-dip galvanized steel sheets have been investigated. Both spangle size and crystallographic orientation measured by optical microscopy, scanning electron microscopy, and X-ray diffraction were identified as critical factors influencing the galvanized coating performance. By decreasing the spangle size, surface appearance and galling properties related to the friction coefficient were significantly improved. However, low temperature adhesive-strength with small spangle galvanized steel sheets showed lower values compared to commercially used galvanized coating. The variation of adhesive strength in terms of spangle size has been clarified.

키워드

참고문헌

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