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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2017.1
- 수록면
- 1 - 13 (13page)
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The purpose of this study is to increase the part recovery rate (to more than 70%) during the casting of a ductile cast iron turbo charger housing using a heater around the riser. Before creating a casting mold, various runner and riser systems were designed and analyzed with a casting simulation analysis tool. The design variables were the heater temperature, top insulation, riser location, riser diameter and the riser shape. During the feeding from the riser to the part, the reverse model was better than the forward model. When heating the riser (above $600^{\circ}C$), solidification of the riser was delayed and the feeding effect was suitable compared to that without heating. At a higher heating temperature, less solidification shrinkage and porosity were noted inside the part. On the basis of a casting simulation, eight molds were fabricated and casting experiments were conducted. According to the experimental conditions, external and internal defects were analyzed and mechanical properties were tested. The ultimate tensile strength and elongation outcome were correspondingly more than 540MPa and 5% after a heat treatment. In addition, a maximum part recovery rate of 86% was achieved in this study.
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참고문헌 (12)
참고문헌 신청
American Society for Metals / 1962 / casting design handbook Doehler :269~299
American Society for Metals / 1970 / forging and casting eight edition :335~374
Zhang L / 2013 / An intelligent system for lowpressure die-cast process parameters optimization / The International Journal of Advanced Manufacturing Technology 65:517~524
Hsu FY / 2009 / A multiple-gate runner system for gravity casting / Journal of Materials Processing Technology 209:5736~5750
Jin CK / 2011 / Fabrication process analysis and experimental verification for aluminum bipolar plates in fuel cells by vacuum die-casting / Journal of Power Sources 196:8241~8249
American Society for Metals / 1970 / forging and casting eight edition :335~374
Zhang L / 2013 / An intelligent system for lowpressure die-cast process parameters optimization / The International Journal of Advanced Manufacturing Technology 65:517~524
Hsu FY / 2009 / A multiple-gate runner system for gravity casting / Journal of Materials Processing Technology 209:5736~5750
Jin CK / 2011 / Fabrication process analysis and experimental verification for aluminum bipolar plates in fuel cells by vacuum die-casting / Journal of Power Sources 196:8241~8249
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