鋁合金表面納米化--微弧氧化復合涂層摩擦行為

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鋁合金表面納米化--微弧氧化復合涂層摩擦行為

文磊, 王亞明, 金瑩

文章導航 > 工程科學學報 > 2015 > 37(10): 1350-1357

文磊, 王亞明, 金瑩. 鋁合金表面納米化--微弧氧化復合涂層摩擦行為[J]. 工程科學學報, 2015, 37(10): 1350-1357. doi: 10.13374/j.issn2095-9389.2015.10.015

引用本文:

文磊, 王亞明, 金瑩. 鋁合金表面納米化--微弧氧化復合涂層摩擦行為[J]. 工程科學學報, 2015, 37(10): 1350-1357. doi: 10.13374/j.issn2095-9389.2015.10.015

WEN Lei, WANG Ya-ming, JIN Ying. Tribological behavior of SNC-MAO composite coatings formed on the surface of aluminum alloys[J]. Chinese Journal of Engineering, 2015, 37(10): 1350-1357. doi: 10.13374/j.issn2095-9389.2015.10.015

Citation:

WEN Lei, WANG Ya-ming, JIN Ying. Tribological behavior of SNC-MAO composite coatings formed on the surface of aluminum alloys[J]. Chinese Journal of Engineering, 2015, 37(10): 1350-1357. doi: 10.13374/j.issn2095-9389.2015.10.015

文磊, 王亞明, 金瑩. 鋁合金表面納米化--微弧氧化復合涂層摩擦行為[J]. 工程科學學報, 2015, 37(10): 1350-1357. doi: 10.13374/j.issn2095-9389.2015.10.015

引用本文:

文磊, 王亞明, 金瑩. 鋁合金表面納米化--微弧氧化復合涂層摩擦行為[J]. 工程科學學報, 2015, 37(10): 1350-1357. doi: 10.13374/j.issn2095-9389.2015.10.015

WEN Lei, WANG Ya-ming, JIN Ying. Tribological behavior of SNC-MAO composite coatings formed on the surface of aluminum alloys[J]. Chinese Journal of Engineering, 2015, 37(10): 1350-1357. doi: 10.13374/j.issn2095-9389.2015.10.015

Citation:

WEN Lei, WANG Ya-ming, JIN Ying. Tribological behavior of SNC-MAO composite coatings formed on the surface of aluminum alloys[J]. Chinese Journal of Engineering, 2015, 37(10): 1350-1357. doi: 10.13374/j.issn2095-9389.2015.10.015

鋁合金表面納米化--微弧氧化復合涂層摩擦行為

doi: 10.13374/j.issn2095-9389.2015.10.015

文磊^1, ,,
王亞明²,
金瑩¹

1. 北京科技大學國家材料服役安全科學中心, 北京 100083;
2. 哈爾濱工業大學特種陶瓷研究所, 哈爾濱 150080

基金項目:

教育部博士點科研基金資助項目(20120006120043)

國家自然科學基金資助項目(51201008)

通訊作者:
文磊,E-mail:wenlei@ustb.edu.cn

中圖分類號: TG174.4
計量
- 文章訪問數: 214
- HTML全文瀏覽量: 70
- PDF下載量: 10
- 被引次數: 0
出版歷程
- 收稿日期: 2014-11-28

Tribological behavior of SNC-MAO composite coatings formed on the surface of aluminum alloys

WEN Lei^{1
, ,},
WANG Ya-ming²,
JIN Ying¹

1. National Center for Materials Service Safety, University of Science and Technology Beijing, Beijing 100083, China;
2. Institute of Advanced Ceramics, Harbin Institute of Technology, Harbin 150080, China

摘要:
通過表面機械研磨處理在LY12CZ鋁合金表面制備表面納米化(SNC)過渡層,再采用微弧氧化(MAO)技術對納米晶過渡層進行微結構重構,設計制備出納米化-微弧氧化(SNC-MAO)復合涂層,并對比研究了鋁合金表面微弧氧化涂層及納米化-微弧氧化復合涂層的摩擦學行為.與微弧氧化涂層相比,納米化-微弧氧化復合涂層因硬度較高而具有較好的耐磨性.微弧氧化涂層及納米化-微弧氧化復合涂層與GCr15鋼球對磨時具有相同的磨損機理,為對磨鋼球向涂層的材料轉移和氧化磨損.
- 鋁合金 /
- 復合涂層 /
- 摩擦學 /
- 納米化 /
- 表面機械研磨處理 /
- 微弧氧化
Abstract:
A duplex process was designed to modify the surface of LY12 CZ aluminum alloy by using surface mechanical attrition treatment(SMAT) prior to microarc oxidation(MAO). A surface nanocrystalline(SNC) layer was formed on the alloy surface by SMAT,a ceramic outer layer grew on the SNC layer by MAO,and finally an SNC-MAO composite coating was fabricated. The tribological behaviors of the MAO coating and SNC-MAO composite coating were comparatively evaluated. Experimental results showed that the SNC-MAO composite coating had a better wear resistance than the MAO coating in the same test condition due to a higher hardness of the ceramic coating. The wear mechanism of the MAO coating and SNC-MAO composite coating involved materials transfer from the steel ball to the coating and oxidation wear.
- aluminum alloys /
- composite coatings /
- tribology /
- nanocrystallization /
- surface mechanical attrition treatment /
- microarc oxidation

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文章訪問數: 214
HTML全文瀏覽量: 70
PDF下載量: 10
被引次數: 0

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