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    請使用永久網址來引用或連結此文件: http://ir.lib.ncu.edu.tw/handle/987654321/27167


    題名: IMPACT PROPERTIES OF A LAMINATED COMPOSITE BASED ON ULTRAHIGH CARBON-STEEL AND HADFIELD MANGANESE STEEL
    作者: LEE,SO;WADSWORTH,J;SHERBY,OD
    貢獻者: 機械工程學系
    關鍵詞: N/A
    日期: 1990
    上傳時間: 2010-06-29 18:09:28 (UTC+8)
    出版者: 中央大學
    摘要: The V-notch impact properties of a laminated composite based on ultrahigh carbon steel (UHCS) and Hadfield manganese steel (HMS) were investigated in the temperature range - 196 to 25-degrees-C. The impact properties were evaluated after heat treatment above the A1 transformation temperature of the ultrahigh carbon steel. The laminated composite exhibits a DBTT of - 100-degrees-C which is lower than either of the monolithic steels that make up the laminate. This is a result of notch blunting from two sources; one source is delamination at the laminate interfaces, and the other source is plastic flow in the HMS matrix. A selectively heat treated laminated composite with very hard UHCS layers (R(c) = 66) and soft HMS layers (R(c) = 17) exhibits a good notch impact toughness of 51J at room temperature. This is attributed to crack blunting by the tough HMS layers and to cracking of the UHCS layers during impact.
    關聯: RES MECHANICA
    顯示於類別:[機械工程研究所] 期刊論文

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