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    Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/65999

    Title: 深冷鍛造與陽極處理對鋁合金7075的疲勞性質及微結構影響研究
    Authors: 廖廷瑋;Liao,Ting-wei
    Contributors: 機械工程學系
    Keywords: 深冷鍛造;旋轉樑疲勞試驗;析出物;陽極處理;7075-T73;cryogenic forging;precipitates;anodized
    Date: 2014-08-27
    Issue Date: 2014-10-15 17:20:31 (UTC+8)
    Publisher: 國立中央大學
    Abstract: 高強度鋁合金7075經由退火處理後深冷鍛造與時效處理對其疲勞性質與微結構影響研究;鋁合金7075深冷鍛造後基地內可以獲得等軸狀的細晶粒與較高密度的細緻析出物,經由拉伸測試後發現深冷鍛造材料會犧牲約8~12%的拉伸強度,但會獲得較好的高週疲勞壽命與抗腐蝕能力,並研究深冷鍛造材料在陽極處理後對其疲勞性質的影響。;High strength AA7075 were cryogenic forged after annealing then followed by solution and aging treatment. The cryogenic forged 7075-T73 alloy samples displayed equiaxed fine grains with abundant fine precipitates in their matrix. The tensile properties of cryogenic forged samples were sacrificed about 8-12% but fatigue strength was enhanced in combination of showing superior corrosion resistance. Effect of anodization on the fatigue strength at life cycles of cryogenic forged samples were investigated and compared in this study.
    Appears in Collections:[機械工程研究所] 博碩士論文

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