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Fabrication of Cr2AlC coating from a cost-efficient Cr-Al-C target by arc ion plating
Li, Yueming; Zhao, Guorui; Du, Beining; Li, Meishuan; Xu, Jingjun; Qian, Yuhai; Sheng, Liyuan; Zheng, Yufeng
2019-03-01
Source PublicationSURFACE INNOVATIONS
ISSN2050-6252
Volume7Issue:1Pages:12-17
AbstractIn the present research, a novel cost-efficient chromium (Cr)-aluminum (Al)-carbon (C) target hot-pressed at 650 degrees C with chromium:aluminum:carbon = 2:1:1 (molar ratio) was applied to fabricate chromium aluminum carbide (Cr2AlC) coatings by the arc ion plating method at room temperature and subsequent annealing. Scanning electron microscopy, X-ray diffraction and transmission electron microscopy were used to characterize the coatings and the target. The results showed that the chromium-aluminum-carbon target mainly comprised chromium, carbon and chromium aluminum compound (Cr9Al17). By arc ion plating with the hot-pressed chromium-aluminum-carbon target and subsequent annealing at 620 degrees C, polycrystalline chromium aluminum carbide coating with minor chromium carbide (Cr3C2) was obtained. The as-prepared chromium aluminum carbide coating was dense and crack-free, and there existed macroparticles in the coating. Transmission electron microscopy observations revealed that the as-prepared chromium aluminum carbide coating exhibited a multilayer structure vertical to the growth direction. The coating possessed hardness and adhesion strength of 8.8 +/- 0.8 GPa and 42 +/- 17 MPa, respectively, which could meet the basic requirement of high-temperature protective coating.
Keywordannealing coatings physical vapor deposition
Indexed BySCI
Language英语
WOS IDWOS:000455273300003
PublisherICE PUBLISHING
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/81338
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Li, Yueming,Zhao, Guorui,Du, Beining,et al. Fabrication of Cr2AlC coating from a cost-efficient Cr-Al-C target by arc ion plating[J]. SURFACE INNOVATIONS,2019,7(1):12-17.
APA Li, Yueming.,Zhao, Guorui.,Du, Beining.,Li, Meishuan.,Xu, Jingjun.,...&Zheng, Yufeng.(2019).Fabrication of Cr2AlC coating from a cost-efficient Cr-Al-C target by arc ion plating.SURFACE INNOVATIONS,7(1),12-17.
MLA Li, Yueming,et al."Fabrication of Cr2AlC coating from a cost-efficient Cr-Al-C target by arc ion plating".SURFACE INNOVATIONS 7.1(2019):12-17.
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