Volume 1, Number 1 (Vol.1,No.1,Fall & Winter 2016)                   JWSTI 2016, 1(1): 13-23 | Back to browse issues page


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Sabzi M, Moeni far S, Najafi Birgani E. Investigation on Effect of Heat Input on the Corrosion Behavior of Hadfield Steel Weld Joints in SMAW Process. JWSTI. 2016; 1 (1) :13-23
URL: http://jwsti.iut.ac.ir/article-1-23-en.html

Abstract:   (2369 Views)

In this investigation, the effect of heat input of SMAW process on the corrosion behavior of Hadfield steel weld joints was investigated. For this purpose, 4 annealed sheets with thickness 25 mm prepared from Hadfield steel and then welding applied by SMAW process with 6.75 and 11.25 kJ/mm heat input values. For corrosion behavior evaluation of base metal and weld metal areas, potentiodynamic polarization and electrochemical impedance spectroscopy methods were used in the 3.5% NaCl solution. The result of corrosion tests indicated that by increasing the heat input in the SMAW process, the corrosion resistance in the weld metal were reduced. It was also found that in both heat input values, base metal had more corrosion resistance compared to weld metal.

Keywords: Hadfield steel, corrosion behavior, weld joints, heat input, SMAW process.
* Email:mas.metallurg88@gmail.com
     
Type of Study: Research | Subject: Special

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