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Microstructure and Properties of Fe-based Amorphous Alloy Coating Deposited by Electro-spark Deposition Process |
NIEYingshi1, 2 LI Wen1** LI Dengke2 ZHANG Bo2 ZHU Zhengwang2 |
1. College of Materials Science and Engineering, Shenyang Ligong University, Shenyang 110159 2. Institute of Metal Research, Chinese Academy of Sciences, Shenyang Liaoning 110016 |
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Cite this article:
NIEYingshi,LI Wen** LI Dengke ZHANG Bo ZHU Zhengwang. Microstructure and Properties of Fe-based Amorphous Alloy Coating Deposited by Electro-spark Deposition Process. Chinese Journal of Materials Research, 2013, 27(1): 75-79.
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Abstract ABSTRACT Using Fe48Cr16Mo15C17B4 alloy rods as electrode materials, Fe-based amorphous coatings were prepared on the 1Cr18Ni9Ti stainless steel surface by electro-spark deposition technique. The microstructures of the coatings were characterized by XRD. The surface and cross section morphologies of the coatings were observed by SEM. The microhardness, wear resistance and electrochemical polarization curves of the coatings were measured. The results show that the coatings are amorphous, dense and metallurgically bonded to the matrix, and the microhardness is 1129 kg/mm2. Compared to the stainless steel matrix, the coatings have much better wear properties and more excellent corrosion resistance in 1 mol/L HCl aqueous solution.
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