소실모형주조법으로 제조한 박판형 Al-Si합금에서의 주형 충전 및 기계적 성질

김정민; 이재철; 최진영; 조재익; 최경환

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자료유형: 학술저널

저자정보: 김정민 (한밭대학교 신소재공학과) 이재철 (한밭대학교 신소재공학과) 최진영 (한밭대학교 신소재공학과) 조재익 (한국생산기술연구원 서남지역본부) 최경환 (한국생산기술연구원 뿌리산업기술연구소)

저널정보: 한국주조공학회 한국주조공학회지 (주조) 한국주조공학회지 제37권 제6호

발행연도: 2017.1

수록면: 186 - 192 (7page)

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연구방법

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연구결과

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The lost foam casting method was used to fabricate Al-Si alloy thin sheet specimens; the effects of chemical composition and process variables on the mold filling and mechanical properties were investigated. The mold filling capability was observed to be proportional to the pouring temperature, and both the vibration imposed during the casting and the application of a pattern coating had rather negative effects. The mold filling capability also decreased with the addition of Mg or TiB. When the Mg content increased, the tensile strength of the cast alloy was enhanced, but the elongation decreased. However, after T6 heat treatment, both the strength and the elongation were improved. TiB addition for grain refining or pattern coating did not significantly affect the tensile properties.

#Lost foam casting #Al-Si #Mold filling #Mechanical properties

참고문헌 (17)

참고문헌 신청

S. Kumar / 2008 / Optimization of tensile properties of evaporative pattern casting process through Taguchi’s method / Process. Tech 204:59~69

S. Saghi / 2004 / Flow behavior of molten metal in aluminum LFC process / Iranian J. Mater. Sci. Eng 1:39~46

김정민 / 2016 / 소실모형주조공정으로 제조한 Al-Si-Mg계 주조합금의 기계적 성질 및 주형 충전성 / 한국주조공학회지 36(5):153~158

F. Sonnernberg / 2008 / Lost foam casting made simple, American Foundry Society / AFS Technical Publication :41~57

K. Siavashi / 2011 / The effect of casting parameters on the fluidity and porosity of aluminum alloys in the lost foam casting process

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