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    鎂鋰合金表面含碳陶瓷層的摩擦性能

    張玉林 朱鑫彬 于佩航 左佑 張優 陳飛

    張玉林, 朱鑫彬, 于佩航, 左佑, 張優, 陳飛. 鎂鋰合金表面含碳陶瓷層的摩擦性能[J]. 工程科學學報, 2018, 40(5): 605-611. doi: 10.13374/j.issn2095-9389.2018.05.011
    引用本文: 張玉林, 朱鑫彬, 于佩航, 左佑, 張優, 陳飛. 鎂鋰合金表面含碳陶瓷層的摩擦性能[J]. 工程科學學報, 2018, 40(5): 605-611. doi: 10.13374/j.issn2095-9389.2018.05.011
    ZHANG Yu-lin, ZHU Xin-bin, YU Pei-hang, ZUO You, ZHANG You, CHEN Fei. Friction properties of C-containing ceramic coatings on an Mg-Li alloy[J]. Chinese Journal of Engineering, 2018, 40(5): 605-611. doi: 10.13374/j.issn2095-9389.2018.05.011
    Citation: ZHANG Yu-lin, ZHU Xin-bin, YU Pei-hang, ZUO You, ZHANG You, CHEN Fei. Friction properties of C-containing ceramic coatings on an Mg-Li alloy[J]. Chinese Journal of Engineering, 2018, 40(5): 605-611. doi: 10.13374/j.issn2095-9389.2018.05.011

    鎂鋰合金表面含碳陶瓷層的摩擦性能

    doi: 10.13374/j.issn2095-9389.2018.05.011
    基金項目: 

    大學生研究訓練計劃資助項目(2017J00174,2017J00175)

    國家自然科學基金資助項目(51601015)

    詳細信息
    • 中圖分類號: TG174.4

    Friction properties of C-containing ceramic coatings on an Mg-Li alloy

    • 摘要: 通過在Na2SiO3-KOH基礎電解液中加入石墨烯添加劑,在鎂鋰合金表面制備出一層自潤滑的含碳陶瓷層. 利用掃描電鏡、原子力顯微鏡以及X射線衍射儀分析了陶瓷層的表面形貌、粗糙度以及物相組成,利用摩擦磨損試驗儀對陶瓷層在室溫下的摩擦學性能進行研究. 其結果表明,加入石墨烯后制備出的含碳陶瓷層表面放電微孔分布均勻,且其微孔尺寸和表面粗糙度均明顯降低. 相比于鎂鋰合金,陶瓷層的表面硬度也得到明顯的提高. 此外,含碳陶瓷層主要由SiO2、Mg2SiO4以及MgO物相組成,而石墨烯則以機械形式彌散分布于陶瓷層中并起到減摩作用. 當石墨烯體積分數為1%時,陶瓷層表面顯微硬度為1317.6 HV0.1 kg,其摩擦系數僅為0.09,其耐磨性明顯提高. 同時,陶瓷層磨痕的深度和寬度均明顯小于鎂鋰合金,而且較為光滑,表明陶瓷層表面沒有發生嚴重的黏著磨損.

       

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    出版歷程
    • 收稿日期:  2017-07-05

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