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원심 분무법으로 제조된 P/M 2011 Al 합금 압출재의 기계적 성질
전창배(C . B . Jeon),김종찬(J . C . Kim) 대한공업교육학회 1997 대한공업교육학회지 Vol.22 No.2
The mechanical properties of P/M 2011 Al alloys extrudated rapidly solidified by rotating disc atomization were investigated in this study. The Al₂O₃ particles were very uniformly and finely dispersed in the P/M 2011 Al alloys extrudated rapidly solidified. The maximum hardness of P/M 2011 Al alloys is showed for the aging time of 400 minutes. The tensile strength of P/M 2011 Al alloys is improved with 50% while the elongations is lowered by heat treatment. In elevated temperature impact testing, the absorbed energy showed a fairly constant value of 6-5J.