Fe-W-Al2O3纳米复合镀层的结构及其耐磨性
Structure and Capacities of Electrodeposited Fe-W-Al2O3 Nano-composite Coatings
摘 要
利用复合电沉积工艺制备了Fe-W-Al2O3纳米复合镀层,采用扫描电镜及附带的能谱仪、X射线衍射仪和显微硬度计等研究了复合镀层的表面形貌、成分、结构、显微硬度和耐磨性能.结果表明：Fe-W-Al2O3纳米复合镀层仍呈非晶态,Al2O3纳米粒子在复合镀层中分布均匀,镀层组织致密;Al2O3纳米粒子的添加提高了复合镀层的显微硬度,室温下该复合镀层的耐磨性是Fe-W合金镀层的2倍,并且有效减轻了镀层的内应力,避免了镀层裂纹的出现.
电沉积复合镀层
非晶态合金
耐磨性
Fe-W alloy
electrodeposition composite coating
amorphous alloy
wear resistance
Abstract
A new micrometre-thick layers of Fe-W-Al2O3 nano-composites have been obtained by composite electrodeposition technology.We characterized the coatings with SEM,EDS and X-ray diffraction.Hardness and anti-wear properties was also investigated systematically.The results states the composite coatings presented in an obvious amorphous characteristics,low internal stress,and high microhardness under the dispersing strengthened effect of the nano-particles.Especially,the composite coating improves the smoothness and uniformity of the electrodeposited layers,and the anti-wear property of it was two times of that Fe-W alloy.
中图分类号 TQ153.2
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收稿日期 2005/4/4
修改稿日期 2006/5/4
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备注马叙(1971-),男,天津人,讲师,博士研究生.
引用该论文: MA Xu,YAO Su-wei,ZHANG Wei-guo,WANG Hong-zhi. Structure and Capacities of Electrodeposited Fe-W-Al2O3 Nano-composite Coatings[J]. Materials for mechancial engineering, 2006, 30(6): 83～85
马叙,姚素薇,张卫国,王宏智. Fe-W-Al2O3纳米复合镀层的结构及其耐磨性[J]. 机械工程材料, 2006, 30(6): 83～85
被引情况:
【1】周细应,严敏杰, "基体表面粗糙度对纳米复合镀层组织及性能的影响",机械工程材料 33, 22-24(2009)
【2】许乔瑜,刘芳,卢锦堂,孔纲,车淳山, "铁-纳米ZrO2复合电镀层的组织与性能",机械工程材料 31, 51-54(2007)
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参考文献
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【2】Mikolaj Donten,Henrikas Cesiulis,Zbigniew Stojek.Electrodeposition and properties of Ni-W,Fe-W and Fe-Ni-W amorphous alloys——A comparative study[J].Electrochimica Acta,2000,45:3389-3396.
【3】郭鹤桐,张三元.复合镀层[M].天津:天津大学出版社,1991.
【4】张文峰,朱荻.纳米晶复合材料电沉积工艺的研究进展[J].兵器材料科学与工程,2003,26(11):44-50.
【5】谭俊,徐滨士.纳米结构镀层的制备及其应用[J].材料保护,2004,(1):19-22.
【6】Mullur B,Ferkel H.Properties of nanocrystalline Ni/Al2O3 composites[J].Z Metallkd,1999,90(11):868-871.
【7】Yao Suwei,Guo Hetong,Wang Cun,et al.Amorphous Fe-W film electrodeposited by using Fe3+ ions[J].Materials Protection,1992,25(5):4-9.
【8】Robertson A,Erb U,Palumbo G.Practical applications for electrodeposited nanocrystalline materials[J].Nanostructured Mater,1999,12:1035-1040.
【9】Benea L,Bonora P L,Borello A.Composite electrodeposition to obtain nanostrctured coating[J].J Electrochem Sco,2001,148(7):C461-C465.
【10】Mullur B,Ferke H.Studies on nanocrystalline Ni/Al2O3 films by electrolytic DC plating[J].Journal of Metastable and Nanocrystalline Materials,2000,8:476-481.
【11】Mullur B,Ferkel H.Al2O3-nanoparticle distribution in plated nickel composite films[J].Nanostructured Mater,1998,10(8):1285-1288.
【12】Ferkel H,Mullur B,Riehe mann W.Electrodeposition of particle strengthened nickel films[J].Mater Sci Eng,1997,A234-236:474-476.
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