Preparation of Al-Al_2O_3-ZrO_2-Y_2O_3 Composite Coating by Mechanical Alloying and its Properties AITranslate
Abstract AITranslate
Al-Al2O3-ZrO2-Y2O3composite coating was prepared successfully on the surface of 304 stainless steel by mechanical alloying at room temperature. The structure and morphology, micro-hardness and high-temperature oxidation resistance of the coating were investigated by related experiments. The results show that with milling time increasing, the thickness of the coating increases at first and then decreases. The coating prepared by milling for 8 h is the densest with average thickness of 200/~m. When the milling time is prolonged to 14 h, part of the coating is peeled off and its thickness decreases. The micro-hardness of the coating is significantly higher than that of the substrate, and declines gradually from the top surface to the inner substrate. The maximum micro-hardness of the coating is up to HV0.1 525, more than 2 times the hardness of the substrate. Furthermore, the high-temperature oxidation resistance ofAl-Al2O3-ZrO2-Y2O3 composite coating is high.
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Basic Information:
DOI：
Chinese Library Classification Number:TG174.445[金属学及工艺—金属表面处理]
Citation Information:
Al-Al2O3-ZrO2-Y2O3composite coating was prepared successfully on the surface of 304 stainless steel by mechanical alloying at room temperature. The structure and morphology, micro-hardness and high-temperature oxidation resistance of the coating were investigated by related experiments. The results show that with milling time increasing, the thickness of the coating increases at first and then decreases. The coating prepared by milling for 8 h is the densest with average thickness of 200/~m. When the milling time is prolonged to 14 h, part of the coating is peeled off and its thickness decreases. The micro-hardness of the coating is significantly higher than that of the substrate, and declines gradually from the top surface to the inner substrate. The maximum micro-hardness of the coating is up to HV0.1 525, more than 2 times the hardness of the substrate. Furthermore, the high-temperature oxidation resistance ofAl-Al2O3-ZrO2-Y2O3 composite coating is high.
quote
| GB/T 7714-2015 | [1] GUO Yan, SHEN Yi-fu, LI Bo, et al. Preparation of Al-Al_2O_3-ZrO_2-Y_2O_3 Composite Coating by Mechanical Alloying and its Properties[J]. Rare Metals and Cemented Carbides, 2012(3): 18-22. |
| MLA | [1] GUO Yan, et al., "Preparation of Al-Al_2O_3-ZrO_2-Y_2O_3 Composite Coating by Mechanical Alloying and its Properties." Rare Metals and Cemented Carbides, no. 3, 2012, pp. 18-22. |
| APA | [1] GUO Yan, SHEN Yi-fu, LI Bo, DING Run-dong, & HU Yong-zhi. (2012). Preparation of Al-Al_2O_3-ZrO_2-Y_2O_3 Composite Coating by Mechanical Alloying and its Properties. Rare Metals and Cemented Carbides(3), 18-22. |
| IEEE | [1] GUO Yan, SHEN Yi-fu, LI Bo, DING Run-dong, and HU Yong-zhi, "Preparation of Al-Al_2O_3-ZrO_2-Y_2O_3 Composite Coating by Mechanical Alloying and its Properties," Rare Metals and Cemented Carbides, no. 3, pp. 18-22, 2012. keywords: {mechanical alloying;high-energy ball milling;Al-Al2O3-ZrO2-Y2O3;composite coating;micro-hardness;high-temperature oxidation} |