| YU Hua,LIN Yao-hua,CHEN Chun-mei,NIE Shu-cai,PENG Rong-gang,YANG Yu-chuan,YANG Shan-shan.Research on the Character of NiCr Coating Deposited on 35CrMo Steel by the Electro-spark Deposition[J],39(4):5-7 |
| Research on the Character of NiCr Coating Deposited on 35CrMo Steel by the Electro-spark Deposition |
| Received:February 19, 2010 Revised:August 10, 2010 |
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| DOI： |
| KeyWord:electro-spark deposition NiCr coating character mechanism |
| Author | Institution |
| YU Hua |
1.Material Science& Engineering Colloge, Henan University of Science Technology, Luoyang , China;2.Henan Key Lab. of Advanced Non-Ferrous of Metals, Luoyang , China |
| LIN Yao-hua |
1.Material Science& Engineering Colloge, Henan University of Science Technology, Luoyang , China;2.Henan Key Lab. of Advanced Non-Ferrous of Metals, Luoyang , China |
| CHEN Chun-mei |
1.Material Science& Engineering Colloge, Henan University of Science Technology, Luoyang , China;2.Henan Key Lab. of Advanced Non-Ferrous of Metals, Luoyang , China |
| NIE Shu-cai |
1.Material Science& Engineering Colloge, Henan University of Science Technology, Luoyang , China;2.Henan Key Lab. of Advanced Non-Ferrous of Metals, Luoyang , China |
| PENG Rong-gang |
1.Material Science& Engineering Colloge, Henan University of Science Technology, Luoyang , China;2.Henan Key Lab. of Advanced Non-Ferrous of Metals, Luoyang , China |
| YANG Yu-chuan |
1.Material Science& Engineering Colloge, Henan University of Science Technology, Luoyang , China;2.Henan Key Lab. of Advanced Non-Ferrous of Metals, Luoyang , China |
| YANG Shan-shan |
1.Material Science& Engineering Colloge, Henan University of Science Technology, Luoyang , China;2.Henan Key Lab. of Advanced Non-Ferrous of Metals, Luoyang , China |
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| Abstract: |
| NiCr alloy coating was produced on the surface of 35CrMo steel with NiCr electrode by electro-spark deposition. The micro-hardness was obtained with hardness meter, the microstructure and chemical composition distribution and phase composition of the coating were investigated with scanning electron microscopy(SEM), energy dispersion spectrum(EDX)and X-ray diffraction(XRD)respectively. The results show that the micro-hardness of the coating is about 2 times as that of the substrate. Inter-diffusion takes place and metallurgy combination layer forms between the coating and the substrate, the main phase composition of the coating consists of NiCrFe and FeNi. |
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