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Meeting 2018 TMS Annual Meeting & Exhibition
Symposium Surface Engineering for Improved Corrosion Resistance
Presentation Title Aqueous Corrosion Behaviour of Pulse Electrodeposited Nanocrystalline Ni-W and Ni-W/SiC Nanocomposite Coatings
Author(s) Sundararajan Govindan, Nitin Wasekar, Vamsi M.V.N
On-Site Speaker (Planned) Sundararajan Govindan
Abstract Scope The present study is concerned with the evaluation of aqueous corrosion behaviour of pulse electrodeposited Ni-W and Ni-W/SiC coatings both in as-deposited and heat treated state. A wide range of W content ranging from 0 at.% to 25 at.% was obtained with grain size decreasing with an increase in W content, since W acts like a grain growth inhibitor. Potentiodynamic polarization test was performed on these coatings in de-aerated 3.5 (wt. %) (~ 0.6 M) NaCl solution of pH = 7. Furthermore, to understand the effect of heat treatment on the corrosion behaviour, coatings were annealed at 700 oC for 1 h in vacuum. Heat treatment resulted in the crystallization of amorphous phase and precipitation of secondary phases. The relative corrosion resistance of PED Ni, PED Ni-W and PED Ni-W/SiC in both as deposited and heat treated conditions will be presented.
Proceedings Inclusion? Planned: Supplemental Proceedings volume


Advanced Surface Mechanical Treatments and Grain Boundary Engineering for Improved Resistance to Corrosion and Stress Corrosion Resistance of FCC Alloys
Aqueous Corrosion Behaviour of Pulse Electrodeposited Nanocrystalline Ni-W and Ni-W/SiC Nanocomposite Coatings
Corrosion Behavior of CP-copper with CG and UFG Grain Size after Irradiation by High Current Pulsed Electron Beam
Corrosion Behavior of Laser Surface Melted Inconel 718 Superalloy
Corrosion Behavior of Microarc Oxidized Mg Alloy in Simulated Body Fluid
Corrosion Characteristics of Additively Manufactured Materials
Corrosion Resistance of Aluminium in 0.5 M H2SO4 in the Presence of Cassia Fistula Extract
Corrosion Resistant Magnesium Surface Alloys by SMASH
Development of Linseed Oil Based Self-healing Coatings to Improve Corrosion Protection
Enhancing the Corrosion Resistance of Biodegradable WE43 Mg Alloy via Solid Solution Alloying
Examining the Corrosion Resistance of Magnesium Coated with Polyetherimide Using Three Different Methods
Graphene Ultra-thin Coating for Remarkable Corrosion Resistance: Current Status and Challenges
Impact of Pre-straining Induced Surface Modification on the Corrosion Resistance of Lean Duplex Stainless Steel
Influence of Surface Chemistry on the Formation of Crystalline Hydroxide Coatings on Mg Alloys in Liquid Water and Steam Systems
J-12: Effect of Coating Composition on Microstructure and Corrosion Resistance of Zn-Mg-Al Hot-dip Alloy Coated Steel Sheets
Mechanical and Corrosion Behavior of 304 Austenitic Stainless Steel Processed by Cryogenic Rolling
Nanostructured Al-alloy Coatings for Corrosion Protection of High-strength Al and Mg Alloys
Oxidation and Corrosion Phenomena in Powder-processed Icosahedral-phase-strengthened Aluminum Alloys
Passivity of Al-transition Metal Alloys and Al-inhibitor Composites
Performance of Thermal Spray Coating on Proprietary Magnesium/Aluminum Alloy
Predict Corrosion Phenomena and Surface Properties of Al-based Alloys
Severe Plastic Deformation Surface Treatment on Corrosion and Environmental Cracking of Oilfield Alloys
Stainless Steel Corrosion Resistance in 0.5 M H2SO4 Using Cassia Fistula Extract
Study on Corrosion Behavior of Rare-earth Added High Strength Magnesium in Presence of 8-hydroxyquinoline Corrosion Inhibitor

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