Effect of Tool Rotation Speed on the Mechanical Properties and Corrosion Behavior of Dissimilar Friction Stir Welded of 5083 Aluminium Alloy and Commercially Pure Titanium

Subject Areas :

Masoud  Shabani ¹ (Advanced Materials Research Center, Faculty of Materials Engineering, Najafabad Branch, Islamic Azad University, Najafabad, Iran)
بهروز  شایق بروجنی ² (استادیار، دانشگاه شهرکرد، ایران)
رضا  ابراهیمی کهریزسنگی ³ (استاد،مرکز تحقیقات مواد پیشرفته، دانشکده مهندسی مواد، واحد نجف آباد، دانشگاه آزاد اسلامی، نجف آباد، اصفهان، ایران)

Received: 2015-08-01 Accepted : 2018-03-12 Published : 2018-02-20

Keywords: Mechanical Properties, Friction Stir Welding, Corrosion behavior, Commercially Pure Titanium, 5083 Aluminium Alloy,

Abstract :

In this paper, the effect of tool rotation speed on the mechanical properties and corrosion behavior on dissimilar joints Friction Stir Welds between 5083 Aluminium alloy and pure Titanium is investigated. At first, with primary welding parameters range necessary to achieve suitable connection obtained and then by changing tool rotation speed, mechanical and corrosion properties of heat affected zones, welding zones and cross section zones, by using polarization Tafel test and Electrochemical Impedance Spectroscopy was investigated and the result were compared. the result indicates that corrosion behavior of connections, is impressionable of the tool rotation speed and welding zone and heat affected zones have weaker corrosion resistance compared to the base metals.

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