NDLI: Microstructure transformation of Cr-Al coating on carbon steel prepared by ball milling method as a function of tungsten doping

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Microstructure transformation of Cr-Al coating on carbon steel prepared by ball milling method as a function of tungsten doping

Content Provider	Scilit
Author	Ciswandi Wismogroho, A. S. Sudiro, T. Didik, A.
Copyright Year	2018
Description	Journal: Journal of Physics: Conference Series In present work, Cr-Al coatings containing 0, 1, 2, 3, and 5% W have been prepared on the surface of low carbon steel by mechanical alloying technique. The composition of each powder was milled for 2 hour in a stainless steel crucible with a ball to powder ratio of 10:1. Afterward, the Cr-Al-W powder and substrate were mechanically alloyed in air for 1 hour. The heat treatment of coated samples was carried out at 800 °C in a vacuum furnace for 2 hour. In order to characterize the phase composition and microstructure of the coating before and after heat treatment, XRD and SEM-EDX were used. The analysis results reveal that the ball milling process induces the formation of homogeneous Cr-Al-W coating structure with a thickness of about 80 μm. The phase observation shows individual peaks of each starting elements, along with the occurrence of powder refinement and solid solution formation. After heat treatment, $AlCr_{2}$ and $Al_{8}Cr_{5}$ phases were formed. The addition of W accelerates the formation of $AlCr_{2}$, but inhibits the formation of $Al_{8}Cr_{5}$. The detail of the results was presented in this paper.
Related Links	http://iopscience.iop.org/article/10.1088/1742-6596/985/1/012042/pdf
ISSN	17426588
e-ISSN	17426596
DOI	10.1088/1742-6596/985/1/012042
Journal	Journal of Physics: Conference Series
Issue Number	1
Volume Number	985
Language	English
Publisher	IOP Publishing
Publisher Date	2018-03-19
Access Restriction	Open
Subject Keyword	Journal: Journal of Physics: Conference Series Coatings and Films Nuclear Energy and Engineering Cr Al
Content Type	Text
Resource Type	Article
Subject	Physics and Astronomy

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