Paper Title:
Reaction Synthesis of TiC-Ni Composite Coating on Copper Substrate Using Electro-Thermal Explosion Ultra-High Speed Spraying
  Abstract

In this work, TiC-Ni coating was synthesized on copper substrate by electro-thermal explosion ultra-high speed spraying method at the discharge voltage of 26kV. Microstructure, phase structure, elemental distribution and microhardness of the coating were studied by means of scanning electron microscope in back-scatter-electron and secondary electron, energy-dispersive analysis X-ray spectroscopy, X-ray diffraction and Vickers hardness tester. The TiC-Ni coating, which exhibits no pores or cracks, consists of an irregular spheroidal TiC phase embedded in a nearly continuous Cu0.81Ni0.19 binder. TiC particles are uniformly distributed and the size of the TiC particle of the coating is less than 1.0 m because of the solute trapping effect. The average hardness of the TiC-Ni coating is approximately 1200 HV0.3.

  Info
Periodical
Key Engineering Materials (Volumes 434-435)
Edited by
Wei Pan and Jianghong Gong
Pages
526-529
DOI
10.4028/www.scientific.net/KEM.434-435.526
Citation
J. J. Liu, Z. D. Liu, D. Y. Liu, L. P. Zhao, L. Wang, W. C. Xi, "Reaction Synthesis of TiC-Ni Composite Coating on Copper Substrate Using Electro-Thermal Explosion Ultra-High Speed Spraying", Key Engineering Materials, Vols. 434-435, pp. 526-529, 2010
Online since
March 2010
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$32.00
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