| 等离子熔覆制备Fe3Al金属间化合物的组织结构 |
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| 引用本文： | 朱冬妹,王惜宝.等离子熔覆制备Fe3Al金属间化合物的组织结构[J].焊接学报,2008,29(12):17-19,24. |
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| 作者姓名： | 朱冬妹 王惜宝 |
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| 作者单位： | 1. 北京星航机电设备厂,北京,100074;天津大学,材料科学与工程学院,天津,300072
2. 天津大学,材料科学与工程学院,天津,300072 |
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| 基金项目： | 国家自然科学基金资助项目
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| 摘 要： | 为了提高钢铁表面的抗高温腐蚀性能,应用电弧喷涂和等离子弧熔覆方法在碳钢表面制备Fe-Al金属间化合物涂层。通过对熔覆层及其与钢基体界面的组织结构分析,认为该方法可以在钢基表面获得致密、无夹杂的铁铝金属间化合物层,合金层与基体间完全冶金结合;熔覆层主要由Fe3Al,FeAl和α-Fe相构成。在试验条件下所获得的铁铝合金层,其最高显微硬度可达到514HV。
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| 关 键 词： | 等离子熔覆 金属间化合物 |
| 收稿时间： | 2007/12/26 0:00:00 |
Mcrostrueture of Fe3A1 intermetallic compound produced by plasma cladding |
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| ZHU Dongmei and WANG Xibao.Mcrostrueture of Fe3A1 intermetallic compound produced by plasma cladding[J].Transactions of The China Welding Institution,2008,29(12):17-19,24. |
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| Authors: | ZHU Dongmei and WANG Xibao |
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| Affiliation: | ZHU Dongmei1,2,WANG Xibao1 |
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| Abstract: | Arc spraying and plasma cladding process was used to prepare the aluminum composite coating. The microstructure and phase structures of the clad alloy layer and the interface of alloy layer and steel matrix composites were analyzed. The results show that the tight alloy layer without pore and inclusion is obtained, and the coating and the steel are metallurgically compacted. The clad alloy layer consists of phase Fe3Al, FeAl, a-Fe and Al2O3. Micro-hardness of the clad alloying layer will be 514 HV. |
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| Keywords: | Fe3Al |
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