Surface melting of Al-based metal matrix coating with presence of B4C particles by Gas Tungsten Arc welding (GTAW)
Publish place: 10th joint meeting of the 5th International Conference on Materials and Metallurgical Engineering Society and Iranian Foundry Society
Publish Year: 1395
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
IMES10_232
تاریخ نمایه سازی: 6 اردیبهشت 1396
Abstract:
A coating made of composite material consisting of an Al-Mg matrix reinforced with B4C particles was produced using thermal spray process onto Al-Mg substrate. After Al/B4C powder was coated on Al alloy surface, the coating was melted using Gas Tungsten Arc welding (GTAW). The microstructure, the microhardness and the corrosion resistance of the present coating were analyzed. GTAW helps the coating achieve a bonding with substrate. The microstructure was characterized by optical microscopy and scanning electron microscope (SEM) of the surface composite layers. This process on the coating caused an improvement on microhardness and corrosion behavior of the samples. In this research, Potentiodynamic polarization technique was utilized to study the corrosion behavior of samples in 3.5 wt. % NaCl solution
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Authors
Amirhosein Zabihi
MSc Student & Corrosion and Protection of Materials
Reza Soltani
Assistant Professor & Surface Engineering University of Tehran, School of Metallurgy and Materials Engineering
Ali Alizadeh
Assistant Professor & Composite University of Tehran, School of Metallurgy and Materials Engineering
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