Al-Si-SiC 복합분말과 Al-Zn-Mg계 합금분말이 혼합된분말의 소결 거동 및 기계적 특성연구

장광주; 김경태; 양상선; 김용진; 박용호

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자료유형: 학술저널

저자정보: 장광주 김경태 양상선 김용진 박용호

저널정보: 한국분말야금학회 한국분말야금학회지 한국분말야금학회지 제21권 제6호

발행연도: 2014.1

수록면: 460 - 466 (7page)

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이 논문의 연구 히스토리 (2)

2015

SiC입자강화 Al 합금분말의 소결 및 기계적 특성연구

장광주 재료공학과 2015.01 학위논문

2014

Al-Si-SiC 복합분말과 Al-Zn-Mg계 합금분말이 혼합된분말의 소결 거동 및 기계적 특성연구

장광주 , 김경태 , 양상선 외 2명 한국분말야금학회지 2014.01 학술저널

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Al-Si-SiC composite powders with intra-granular SiC particles were prepared by a gas atomization process. The composite powders were mixed with Al-Zn-Mg alloy powders as a function of weight percent. Those mixture powderswere compacted with the pressure of 700 MPa and then sintered at the temperature of 565-585oC. T6 heat treatmentwas conducted to increase their mechanical properties by solid-solution precipitates. Each relative densityaccording to the optimized sintering temperature of those powders were determined as 96% at 580oC for Al-Zn-Mgpowders (composition A), 97.9% at 575oC for Al-Zn-Mg powders with 5 wt.% of Al-Si-SiC powders (composition B),and 98.2% at 570oC for Al-Zn-Mg powders with 10 wt.% of Al-Si-SiC powders (composition C), respectively. Eachhardness, tensile strength, and wear resistance test of those sintered samples was conducted. As the content of Al-Si-SiCpowders increased, both hardness and tensile strength were decreased. However, wear resistance was increased by theincrease of Al-Si-SiC powders. From these results, it was confirmed that Al-Si-SiC/Al-Zn-Mg composite could behighly densified by the sintering process, and thus the composite could have high wear resistance and tensile strengthwhen the content of Al-Si-SiC composite powders were optimized.

#Al-Si-SiC #Al-Zn-Mg #Powder metallurgy #Sintering

참고문헌 (14)

참고문헌 신청

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