MATEC Web of Conferences
Volume 35, 20152015 4th International Conference on Mechanics and Control Engineering (ICMCE 2015)
|Number of page(s)||3|
|Section||Materials science and engineering|
|Published online||16 December 2015|
Interface behavior of tungsten coating on stainless steel by electro spark deposition
Dalian University in Dalian, China
a Yuanggang Wang: email@example.com
A new method of electro spark deposition method was put forward, which was based on the theory of electro spark deposition by changing the polarity in the liquid. Tungsten coating layers was produced on surface of Stainless Steel by electro spark deposition. The micro hardness, microstructure, chemical composition and phases of the coating layer were examined by means of hardness test, scanning electron microscopy (SEM) and energy dispersive spectrometer (EDS) analysis. The results showed that there was tungsten coating in the surface, which was discontinuous. Microhardness of the coating layer was about 3 times more than that of the substrate. The combination between coating layer and substrate was metallurgical bond.
© Owned by the authors, published by EDP Sciences, 2015
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