| LIU Guang-ming,LIU De-qiang,WANG Yuan-kui,REN Yong-feng,QIU Jia-hong,TIAN Ji-hong.Preparation of Ni/CrAl Coatings on T91 Steel by Composite Electrodeposition[J],(1):61-63 |
| Preparation of Ni/CrAl Coatings on T91 Steel by Composite Electrodeposition |
| Received:November 04, 2011 Revised:February 20, 2012 |
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| DOI： |
| KeyWord:composite electrodeposition Ni/CrAl coating |
| Author | Institution |
| LIU Guang-ming |
School of Materials Science and Engineering, Nanchang Hangkong University, Nanchang , China |
| LIU De-qiang |
School of Materials Science and Engineering, Nanchang Hangkong University, Nanchang , China |
| WANG Yuan-kui |
Material Research Institute,Dongfang Boiler GroupCo.,Ltd.,Zigong , China |
| REN Yong-feng |
Steel Pipe Research Institute,Baoji Petroleum Steel PipeCo.,Ltd.,Baoji , China |
| QIU Jia-hong |
Material Research Institute,Dongfang Boiler GroupCo.,Ltd.,Zigong , China |
| TIAN Ji-hong |
School of Materials Science and Engineering, Nanchang Hangkong University, Nanchang , 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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