Deposition of an Al/SiC Composite Coating on Steel by Friction Surfacing: Corrosion and Wear Properties
Publish place: Mechanics of Advanced Composite Structures، Vol: 9، Issue: 2
Publish Year: 1401
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_MACS-9-2_007
تاریخ نمایه سازی: 9 اردیبهشت 1402
Abstract:
Friction Surfacing (FS) is a method to create coatings on surfaces, a commonly used approach for improving the surface properties of materials. This study investigated the deposition of an Al/SiC composite coating of AA۲۰۳۰ aluminum alloy and ۲۵۰ μm SiC particles on a plain carbon steel substrate by FS. Holes of a ۳.۵ mm diameter were made in the AA۲۰۳۰ rod and filled with SiC powder. This consumable rod was then pressed on the surface of an St۳۷ plate with an axial force of ۴۵۰ N. The rod was rotated and moved around to coat the surface of the St۳۷ substrate with a layer of Al/SiC composite. The results showed that SiC particles break down and get evenly dispersed over the surface. The deposited composite coating offered ۴۱.۶% better wear resistance and up to ۷۰% better corrosion resistance than the non-composite coating. The electrochemical impedance analysis showed two time constants in the Nyquist plots.
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Authors
Armi Tabaghi
Faculty of Mechanical Engineering, Semnan University, Semnan, Iran
Hossein Tavakoli
Faculty of Materials and Metallurgical Engineering, Semnan University, Semnan, Iran
Abdolvahed Kami
Mechanical Engineering Department, Semnan University, Semnan, Iran
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