| High temperature behaviors of high velocity arc sprayed Fe-Al/Cr3C2 composite coatings |
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| 引用本文： | Weipu Xu Binshi Xu Wei Zhang Yixiong Wu. High temperature behaviors of high velocity arc sprayed Fe-Al/Cr3C2 composite coatings[J]. 北京科技大学学报(英文版), 2005, 12(4): 340-346 |
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| 作者姓名： | Weipu Xu Binshi Xu Wei Zhang Yixiong Wu |
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| 作者单位： | [1]Welding Institute of Materials Science and Engineering Department, Shanghai Jiaotong University, Shanghai 200030, China [2]National Key Laboratory for Remanufacturing, Beijing 100072, China |
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| 摘 要： | Fe-Al/Cr3C2 composite coatings were manufactured using high velocity arc spraying （HVAS） technology. The high temperature erosion, wear and corrosion resistance of the coatings were investigated. The coating properties such as bonding strength, porosity, hardness as well as microstructures were characterized. The results show that the coatings have relatively high heat tremble bond strength, hardness, and typical layer-shaped coatings＇ microstructures. With the rise of temperature, the coating erosion resistance increases too; the impingement angel does effects on erosion properties, and the erosion mechanism changes from ductile to brittle behaviors at 450℃. The coatings have good room temperature wear resistance and relatively good high temperature resistance. The wear mechanism of the coatings is peeling wear behavior. The coatings have excellent high temperature corrosion resistance because of the produce of oxides during corrosion.
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| 关 键 词： | Fe-Al/Cr3C2 化合物 表面处理 防腐蚀技术 |
| 收稿时间： | 2004-07-16 |
High temperature behaviors of high velocity arc sprayed Fe-Al/Cr3C2 composite coatings |
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| Weipu Xu,Binshi Xu,Wei Zhang,Yixiong Wu. High temperature behaviors of high velocity arc sprayed Fe-Al/Cr3C2 composite coatings[J]. Journal of University of Science and Technology Beijing, 2005, 12(4): 340-346 |
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| Authors: | Weipu Xu Binshi Xu Wei Zhang Yixiong Wu |
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| Abstract: | Fe-Al/Cr3C2 composite coatings were manufactured using high velocity arc spraying (HVAS) technology. The high temperature erosion, wear and corrosion resistance of the coatings were investigated. The coating properties such as bonding strength,porosity, hardness as well as microstructures were characterized. The results show that the coatings have relatively high heat tremble bond strength, hardness, and typical layer-shaped coatings' microstructures. With the rise of temperature, the coating erosion resistance increases too; the impingement angel does effects on erosion properties, and the erosion mechanism changes from ductile to brittle behaviors at 450℃. The coatings have good room temperature wear resistance and relatively good high temperature resistance.The wear mechanism of the coatings is peeling wear behavior. The coatings have excellent high temperature corrosion resistance because of the produce of oxides during corrosion. |
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| Keywords: | Fe-Al/Cr3C2 coating erosion wear corrosion |
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