-
Article
Effect of Copper and Silicon on the Corrosion Properties of the AlCrFeMnNi High Entropy Alloy
Microstructural and electrochemical corrosion behaviours of Al40(SiCrFeMnNiCu)60 (at %) high entropy alloy (HEA) were studied. The as-cast-alloy formed B2 and Cr5Si3 intermetallic phases. The HEA showed active, p...
-
Article
Investigating the Impact of Surface Finishing and Residual Stress on the Oxidation Behavior of Alloy 800
Alloy 800 is extensively used in nuclear power plants (NPPs) as steam generator tubing material and is essentially the pressure barrier between radioactive and non-radioactive components of the heat transport ...
-
Article
The Influence of Plastic Strain and Microstructure on the Electrochemical Noise Response of AA 7004 in 0.6 M NaCl
The role of applied strain in altering the nature of corrosion attack on AA 7004 having two different microstructures is studied using electrochemical noise technique. The current and potential responses betwe...
-
Article
Role of GP II Zones and Metastable -ɳ′ Precipitates on the Environmentally Assisted Cracking Behavior of AA 7050 Alloy
The electrochemical kinetics of matrix precipitates -metastable MgZn2 (ɳ′) and GP II zones towards environmentally assisted cracking (EAC) have been investigated using cathodic polarization tests and slow strain ...
-
Article
Effect of Ageing Treatment on the Stress Corrosion Cracking Susceptibility of Precipitation Hardenable 17–4 PH Stainless Steel
Precipitation hardenable 17–4 PH stainless steel was subjected to a solution-annealing heat treatment followed by ageing treatments at 580 °C for durations up to 6 h. Slow-strain rate testing (SSRT) has been d...
-
Article
Development of an Efficient Acid Pickling Bath for Hot-Rolled Steel Coil
The work aims to understand the influence of oxide scales and chloride ions on the pickling behaviour of hot-rolled steel coil. The thickness and nature of the oxide scale (such as the content of the phases an...
-
Article
Effect of Nanocrystalline Structure on the Oxidation Behavior of Fe–20Cr–3Al Alloy at High Temperatures
Oxidation behavior of nanocrystalline and microcrystalline Fe–20Cr–3Al alloys was investigated at high temperatures (500–800 °C) in the present study. The nanocrystalline Fe–20Cr–3Al alloy was synthesized by h...
-
Chapter
Mitigating Environmentally Assisted Cracking in 7xxx Cu Containing Aluminum Alloys
Environmentally assisted cracking in high strength 7xxx Cu containing aluminum alloys has been a prevalent problem for a significantly long time. Several advancements in alloy chemistry and processing techniqu...
-
Article
Oxidation Behaviour of Ni-Base Superalloys in Supercritical Water: A Review
In the quest for creating a sustainable future, coal-fired boilers and nuclear reactors are increasingly moving towards higher steam temperatures and pressures that can help in reducing emissions and increase ...
-
Article
Hot Salt Stress Corrosion Cracking Study of Selective Laser Melted Ti-6Al-4V Alloy
The hot salt stress corrosion cracking (HSSCC) behavior of the selectively laser melted (SLM) Ti-6Al-4V alloy in the as-built and heat-treated conditions was studied at 300 and 400 °C. The HSSCC resistance of ...
-
Article
Effect of Environment on the Work Hardening Behavior of AA 7004
The influence of 3.5 wt pct NaCl on the work-hardening response of AA 7004 is investigated through subjecting the tensile data to Kock-Mecking analysis. Due to the exposure to chloride, the decay in the work-h...
-
Article
Role of Precipitation on the Hydrogen Embrittlement Behavior of IN 718
The role of aging conditions vis-à-vis the precipitate state on the hydrogen embrittlement behavior of IN 718 has been studied. Slow strain rate tests showed that the overaged condition was most susceptible to...
-
Article
Effect of Mo Addition on the Corrosion Behavior of Al-40Cr-xMo Coatings on Type 316L Stainless Steel
In the present study, the corrosion behavior of sputter-deposited amorphous Al-40Cr-xMo alloy coatings in 0.5 M H2SO4 + 2 ppm NaF solution at 70 °C (± 2 °C) was investigated for a possible application as bipolar ...
-
Article
Enhancing the Environmentally Assisted Cracking Resistance of Aircraft Quality Al Alloy of Type AA7075 Stiffened with Polymer Matrix Composite Using Cerium Chloride Inhibitor
This study explores a methodology to raise environmentally assisted cracking resistance of alclad Al–Zn–Mg–Cu (AA7075) alloy, used in aircraft structures, stiffened with polymer matrix composite asymmetric pat...
-
Article
Role of Centrifugal Casting on Electrochemical Corrosion Behavior of A356-SiCp Composite in 3.5 wt.% NaCl
Role of graded microstructure in a centrifugally cast A356-SiC particle (SiCp) composite alloy disk on passivity and localized corrosion behavior in 3.5 wt.% NaCl environment has been investigated. The area fr...
-
Article
Analysis of Film Formation in High Chromium White Iron Hardfacing Alloys in Alkaline Solution using EIS and SIMS
A popular hardfacing alloy consisting of high chromium white iron (HCWI) was deposited on low carbon steel using shielded metal arc welding. The wear-resistant alloys are not only used in applications requirin...
-
Article
Mitigating Intergranular Stress Corrosion Cracking in Age-Hardenable Al-Zn-Mg-Cu Alloys
This article reports an attempt to develop high-strength aluminum alloys of 7xxx series resistant to intergranular stress corrosion cracking (SCC). A novel aging technique reported in this work exhibited impro...
-
Article
On Improving the Quality of Gas Tungsten Arc Welded 18Ni 250 Maraging Steel Rocket Motor Casings
In view of their excellent combination of strength and toughness, maraging steels (18Ni 250 grade) are widely used for the fabrication of large sized solid rocket motor casings. Gas tungsten arc welding is co...
-
Article
Encapsulating 8-hydroxyquinoline in graphene oxide-stabilized polystyrene containers and its anticorrosion performance
We report the formation of encapsulated graphene oxide/polystyrene (GO/PS) containers via Pickering emulsion polymerization of oil-in-water emulsions stabilized by GO sheets. Without further functionalization,...
-
Article
Role of Magnesia Stabilized Zirconia Dispersion on the Hot Corrosion Behaviour of NiCrAlY Plasma-Sprayed Coatings in Na2SO4 + 50 wt% V2O5 and Na2SO4 + 10 wt% NaCl Melts at 800 °C
In order to understand the possible role of magnesia stabilised zirconia (MSZ) on hot corrosion in graded thermal barrier coatings, plain and 25 and 50 wt% MSZ dispersed NiCrAlY coatings, developed using air p...
