The Property Comparison of Coating Prepared by Oxygen-Acetylene Spray Welding Technology and High-Frequency Induction Remelting Technology

Abstract:

Ni60A coating is obtained by oxygen-acetylene spray welding and high-frequency induction remelting process. Coating Surface, interface between matrix and coating, microhardness and wear resistance are investigated. The results show that both of the processes can achieve coating metallurgically bonded to matrix. But microhardness and wear resistance of Ni60A coating obtained by high-frequency induction remelting process are superior to those of Ni60A coating obtained by oxygen-acetylene spray welding process. At the same time, coating surface by high-frequency induction remelting process is of more brightness owing to less oxide skin. In order to more effectively prevent the hard phase from oxidation, the quartz glass pipe and inert gas should be considered to use in high-frequency induction remelting process.

• Periodical: Advanced Materials Research (Volumes 652-654)
• Pages: 1805-1809
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.652-654.1805
• Online since: January 2013
• Authors: Jun Feng Zhu, Wei Feng Xiao, Gang Liu, Shu Lin Wang
• Keywords: Hard Phase, High-Frequency Induction Remelting, Microhardness, Oxygen-Acetylene Spray Welding, Wear Resistance

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