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A Study on Fatigue Crack Behavior of Metal Matrix Composites for Automobile Engine  

박원조 (경상대학교 기계항공공학부)
허선철 (경상대학교 기계항공공학부)
정재욱 (경상대학교 기계항공공학부)
이해우 (삼성중공업)
부명환 (전력연구원)
Publication Information
Transactions of the Korean Society of Automotive Engineers / v.11, no.5, 2003 , pp. 140-146 More about this Journal
Abstract
Metal matrix composites had generated a lot of interest in recent time because of their high specific strength and stiffness in specific properties. It was also highlighted as the material of frontier industry because strength, heat-resistance, corrosion-resistance and wear-resistance were superiored. In this study, the strength properties of $Al_{18}B_{4}O_{33}$/AC4CH composites were represented mixing the binder of $SiO_2$. It was also fabricated by squeeze casting. $Al_{18}B_{4}O_{33}$/AC4CH was fabricated at the melt temperature of $760^{\circ}C$, the perform temperature of $700^{\circ}C$ and mold temperature of $200^{\circ}C$ under the pressure of 83.4MPa. Consequently, fatigue life was observed roughly in the order of AC4CH> nobiner> $SiO_2$, independently on crack propagation direction and stress ratio.
Keywords
Metal matrix composites; Squeeze casting; Sinusoidal wave; Stress intensity factor range; Fatigue crack growth;
Citations & Related Records
Times Cited By KSCI : 5  (Citation Analysis)
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