| T91钢表面复合电沉积Ni/CrAl镀层的工艺研究 |
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| 引用本文： | 刘光明,刘德强,汪元奎,任永峰,邱佳红,田继红.T91钢表面复合电沉积Ni/CrAl镀层的工艺研究[J].表面技术,2012,41(1):61-63. |
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| 作者姓名： | 刘光明 刘德强 汪元奎 任永峰 邱佳红 田继红 |
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| 作者单位： | 南昌航空大学材料科学与工程学院,南昌,330063;东方锅炉集团有限公司材料研究所,自贡,643001;宝鸡石油钢管有限责任公司钢管研究院,宝鸡,721008 |
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| 基金项目： | 国家自然科学基金(51161022) |
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| 摘 要： | 采用复合电沉积法在T91钢表面制备Ni/CrAl镀层,研究了CrAl微粒在镀层中的含量与搅拌强度、镀液pH值、电流密度及温度的关系,确定最佳工艺参数为:电流密度2.5～4.5A/dm2,pH值4～4.5,温度30℃。采用该工艺制备了较高CrAl含量的复合镀层,并对工艺参数影响复合电沉积的机理进行了简单探讨。
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| 关 键 词： | 复合电沉积 Ni/CrAl 镀层 |
| 收稿时间： | 2011/11/4 0:00:00 |
| 修稿时间： | 2012/2/20 0:00:00 |
Preparation of Ni/CrAl Coatings on T91 Steel by Composite Electrodeposition |
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| LIU Guang-ming,LIU De-qiang,WANG Yuan-kui,REN Yong-feng,QIU Jia-hong and TIAN Ji-hong.Preparation of Ni/CrAl Coatings on T91 Steel by Composite Electrodeposition[J].Surface Technology,2012,41(1):61-63. |
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| Authors: | LIU Guang-ming LIU De-qiang WANG Yuan-kui REN Yong-feng QIU Jia-hong and TIAN Ji-hong |
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| Affiliation: | 1(1.School of Materials Science and Engineering,Nanchang Hangkong University,Nanchang 330063,China; 2.Material Research Institute,Dongfang Boiler Group Co.,Ltd.,Zigong 643001,China; 3.Steel Pipe Research Institute,Baoji Petroleum Steel Pipe Co.,Ltd.,Baoji 721008,China) |
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| Abstract: | Ni/CrAl coating was prepared on T91 steel by composite electrodeposition process.The relationship between CrAl content in coating and stirring intensity,currnt density,pH as well as temperatures were studied in Watts solution.The optimum process of composite electrodeposition of Ni/CrAl composite coating was obtained as follows: current density was 2.5~4.5 A/dm2,the temperature was held at 30 ℃ and pH was 4～4.5.According to this electrodeposition process high content CrAl coating was obtained.The mechanism of electrodepostion affected by process parameter was discussed in brief. |
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| Keywords: | composite electrodeposition Ni/CrAl coating |
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