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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2011.1
- 수록면
- 66 - 70 (5page)
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초록· 키워드
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Hot dip aluminizing (HDA) is widely used in industry for improving corrosion resistance of material. The formation of intermetallic compound layers during the contact between dissimilar materials at high temperature is common phenomenon. Generally, intermetallic compound layers of $Fe_2Al_5$ and $FeAl_3$ are formed at the Al alloy and Fe substrate interface. In case of cast iron, high contact angle of graphite existed in the matrix inhibits the formation of intermetallic compound layer, which carry with it the disadvantage of a reduced reaction area and mechanical properties. In present work, the process for the removal of graphite existed on the surface of specimen has been investigated. And also HDA was proceeded at $800^{\circ}C$ for 3 minutes in aluminum alloy melt. The efficiency of graphite removal was increased with the reduction of particle size in sanding process. Graphite appears to be present both in the region of melting followed by re-solidification and in the intermetallic compound layer, which could be attributed to the fact that the surface of cast iron is melted down by the formation of low melting point phase with the diffusion of Al and Si to the cast iron. Intermetallic compound layer consisted of $Fe(Al,Si)_3$ and $Fe_2Al_5Si$, the layer formed at cast iron side contained lower amount of Si.
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참고문헌 (9)
참고문헌 신청
J’anos Proh’aszka / 1999 / EDS Investigation of Fe-Al Intermetallic Compounds / X-Ray Spectrom 28:233~236
T. S. Shih / 2007 / Interaction of steel with pure Al, Al-7Si and A356 alloys / Mater. Sci. Eng. A 454:349~356
T. Sasaki / 2006 / Features of intermetallic compounds in aluminized steels formed using aluminum foil / Surf. & Coat. Tech 201:2131~2139
W. Cheng / 2009 / Growth of intermetallic layer in the aluminide mild steel during hotdipping / Surf. & Coat. Tech 204:824~828
A. Mirhabibi / 2003 / Graphite flake carbon composites with a ‘sinterable’microbead matrix I. Mechanical properties / Carbon 41:1593~1603
T. S. Shih / 2007 / Interaction of steel with pure Al, Al-7Si and A356 alloys / Mater. Sci. Eng. A 454:349~356
T. Sasaki / 2006 / Features of intermetallic compounds in aluminized steels formed using aluminum foil / Surf. & Coat. Tech 201:2131~2139
W. Cheng / 2009 / Growth of intermetallic layer in the aluminide mild steel during hotdipping / Surf. & Coat. Tech 204:824~828
A. Mirhabibi / 2003 / Graphite flake carbon composites with a ‘sinterable’microbead matrix I. Mechanical properties / Carbon 41:1593~1603
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