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가압연속주조법에 의한 SiCp / Al 합금기 복합재료의 조직 및 특성
Microstructure nd Characteristics of SiCp / Al-4.5wt%Cu-1wt%Mg Composites by Pressurized Continuous Compo-Casting
이학주 , 홍준표 ( Hak Joo Lee , Chun Pyo Hong )
UCI I410-ECN-0102-2009-580-008953152

Microstructure and characteristics of the SiCp/Al-4.5wt%Cu-1wt%Mg composites fabricated by the combination of the compocasting and the pressurized continuous casting process, which is one of the processes to decrease the limitations of the size, and shops of the products, are investigated. The main results are as follows: 1) the SiCp /Al alloy matrix composites can be made continuously 2) as the amount of SiCp addition increases; (1) the degree of directional solidification of matrix structure decreases, and that of SiCp dispersion improves, (2) wear resistance improves, and especially these composites show the excellent wear resistance under the high sliding speed and high final load condition, (3) wear mechanism of these composites is changed from adhesive wear into abrasive wear, and the tendency of that becomes outstanding with increasing sliding speed.

[자료제공 : 네이버학술정보]
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