Effect of Repeated Repair Metal Inert Gas Welding on Microstructural Properties, Corrosion Resistance, and Wear Behavior of 5083-H116 Aluminum Alloy

Mohammad Reza Zarghamian; Mansoor Farzam; Iman D Danaee; Hadi Eskandari

Volume 6, Issue 4 , October 2017, , Pages 51-63


  The effect of repeated repair welding, shielded with argon, on microstructural properties, corrosion resistance, and dry sliding wear behavior of aluminum alloy 5083/H116 were investigated. Samples were welded by metal inert gas welding method. 100% argon was used to protect fusion zone. Aluminum alloy ...  Read More

Preparation and Characterization of Structure and Corrosion Resistivity of Polyurethane /Montmorillonite/Cerium Nitrate Nanocomposites

Iman Moghri; Mansoor Farzam; Mohammadreza Shishesaz; Davood Zaarei

Volume 5, Issue 2 , April 2016, , Pages 100-110


  In this study, nanocomposite coatings based on polyurethane cerium nitrate montmorillonite (MMT) were prepared, applied on carbon steel substrates, and investigated. The nanocomposite coatings were successfully prepared by the effective dispersing of nanoparticles in polyurethane resin by mechanical ...  Read More

Effects of Surface Treatment on Corrosion Resistance of 304L and 316L Stainless Steel Implants in Hank’s Solution

Saeid Ghanavati; Mohammad Reza Shishesaz; Mansoor Farzam; Iman Danaee

Volume 5, Issue 1 , January 2016, , Pages 65-72


  The enormous demands for metal implant have given rise to a search for cheap material with good bio-tolerability and resistance to corrosion. Although stainless steel has these properties and is widely used for this purpose, its long term application is still a concern. The corrosion resistance of stainless ...  Read More

Failure Investigation of Hydrogen Blistering on Low-strength Carbon Steel

Elahe Shekari; Mohammad Reza Shishesaz; Gholamreza Rashed; Mansoor Farzam; E Khayer

Volume 2, Issue 2 , April 2013, , Pages 65-76


  The current study assesses the root causes of hydrogen blisters on low strength carbon steel equipment. For this purpose, some experiments including hardness test, non-destructive test (NDT), metallography, and fractograpghy are conducted. The microstructure of two blisters is assessed by means of optical ...  Read More