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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/50718


    Title: Effect of Melting Temperature and Injection Speed on Microstructure of ABS+20wt%PC/Al Flake Metalized Plastics
    Authors: 林清彬;Lin, C. B.;Feng, Chi-Yuan;Lee, Hung-chou;Chang, Z. C.
    Contributors: 淡江大學機械與機電工程學系
    Keywords: aluminum flakes;melt temperature;microstructure;injection speed;aspect ratio
    Date: 2008-09-01
    Issue Date: 2010-08-10 15:24:58 (UTC+8)
    Publisher: SAGE Publications
    Abstract: This research discusses the effect of melt temperature (200, 240, and 270°C) and injection speed (18, 25, and 35%) on orientation distribution and weight fraction of aluminum flakes in ABS+20wt%PC plates. Aluminum flake's aspect ratio increases with melt temperature but is not influenced by injection speed. The weight fraction of aluminum flakes is higher in the core layer than in the surface layer but is not influenced by injection speed. Conversely, the weight fraction of aluminum flakes in the surface layer is inversely proportional to both injection speed and melt temperature. For molds with long flow path from a single-point sprue, aluminum flakes tend to congregate into piles in the surface layer, and the weight fraction of aluminum flakes decreases with increasing injection distance. Aluminum flakes are oriented randomly on the outer side of the bolt hole, but along the direction of flow on the inner side of the bolt hole.
    Relation: Journal of Thermoplastic Composite Materials 21(5), pp.375-392
    Appears in Collections:[機械與機電工程學系暨研究所] 期刊論文

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