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浸滲時間對鐵基滲銅燒結合金機械性能和組織結構的影響

  • 摘要: 本文研究了浸滲時間對鐵基滲銅燒結合金機械性能(拉伸強度、抗彎強度、沖擊韌性和硬度)及組織結構的影響。
    試驗采用Fe-Cu-C基體骨架,采用通用的Cu-Mn-Fe浸滲劑。采用二步法浸滲。子燒是在分解氨保護氣氛中于1150℃保溫一小時;浸滲采用氫氣保護,浸滲時間分別選擇了5分、10分、20分、30分、45分、60分、90分、120分和180分九個不同的時間,浸滲溫度1120±5℃。試驗結果用性能變化曲線和金相組織照片表示出來,并對該變化曲線和組織結構進行了分析討論。

     

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