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Subject

Effect of Heat Treatment on the Mechanical Properties of Investment Casting Turbo Charger Wheel using A356 Alloy
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A356합금을 이용한 정밀주조 Turbo Charger Wheel의 기계적 특성에 미치는 열처리의 영향

논문 기본 정보

Type
Academic journal
Author
Kim, Sang-Mi (전북대학교 공과대학 신소재공학부.공업기술연구센터) Woo, Kee-Do (전북대학교 공과대학 신소재공학부.공업기술연구센터) Kim, Ji-Young (전북대학교 공과대학 신소재공학부.공업기술연구센터) Kim, Sang-Hyuk (전북대학교 공과대학 신소재공학부.공업기술연구센터) Park, Sang-Hoon (전북대학교 공과대학 신소재공학부.공업기술연구센터) Kang, Hwang-Jin ([주]NIB) Park, Chan-Sung ([주]NIB)
Journal
한국주조공학회 한국주조공학회지 (주조) 한국주조공학회지 제31권 제5호 KCI Accredited Journals
Published
2011.1
Pages
262 - 266 (5page)

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Effect of Heat Treatment on the Mechanical Properties of Investment Casting Turbo Charger Wheel using A356 Alloy
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Abstract· Keywords

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The aim of this study is to investigate aging behavior of A356 alloy for turbo charger part. The specimen was fabricated by investment casting. Solution heat treatment was performed at $525^{\circ}C$ for 8h and followed by aging treated at $160^{\circ}C$, $170^{\circ}C$ for 0.5~20h. And their microstructures and mechanical properties of the aged specimens were analyzed by scanning electron microscope and hardness tester, respectively. All the cast A356 alloy included eutectic Si particles. In the cast A356 alloy, eutectic Si phase mainly was formed along Chinese script phase. Vickers hardness of the cast was improved by aging treatment due to formation of ${\beta}$" phase and ${\beta}$' phase.

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