Effect of TIG surface melting on microstructure and wear properties of flame-sprayed Al-B4C composite coatings on Al-Mg

Publish Year: 1395
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:

IMES10_231

تاریخ نمایه سازی: 6 اردیبهشت 1396

Abstract:

To improve the wear properties of Al alloys, sometimes a metal matrix composite coating is produced on surface. In this study, Al-B4C composite coating was deposited on Al-Mg by flame spray technique and in order to improve the metallurgical bonding a Tungsten Inert Gas (TIG) melting on surface of the samples was used. The composite powder was produced by mechanical alloying and consisted of Al and B4C particles. The effect of coating process as well as the nature of the feedstock material on the coating microstructure and wear characteristics was studied. Microstructural evaluation of the samples was conducted by scanning electron microscopy (SEM) of surface composite layers. Wear resistance test by pin-on-disc method was conducted on coated samples

Authors

Amirhosein Zabihi

MSc Student & Corrosion and Protection of Materials

Reza Soltani

Assistant Professor & Surface Engineering

Ali Alizadeh

Assistant Professor & Composite

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