The “expanded” phases in the low-temperature treated stainless steels: a review

F Borgioli - Metals, 2022 - mdpi.com
Low-temperature treatments have become a valuable method for improving the surface
hardness of stainless steels, and thus their tribological properties, without impairing their …

Deep learning framework for uncovering compositional and environmental contributions to pitting resistance in passivating alloys

KN Sasidhar, NH Siboni, JR Mianroodi… - Npj Materials …, 2022 - nature.com
We have developed a deep-learning-based framework for understanding the individual and
mutually combined contributions of different alloying elements and environmental conditions …

High-throughput investigation of Cr-N cluster formation in Fe-35Ni-Cr system during low-temperature nitriding

Y Xie, G Miyamoto, T Furuhara - Acta Materialia, 2023 - Elsevier
The expanded austenite (γ N) produced by low-temperature nitriding of austenitic stainless
steels with a Cr content of 18–20 at% is conventionally regarded as a nitrogen …

Unusual plate-type iron-carbonitrides development in nitrocarburized Fe-4 at.% V alloy

A Kashyap, B Vishwanadh, A Chauhan, SR Meka - Acta Materialia, 2024 - Elsevier
The influence of substitutionally dissolved V in ferritic Fe-4 at.% V alloy, on the structure and
morphology of iron-carbonitrides ε-Fe 3 (N, C) 1+ x and γ'-Fe 4 (N, C) 1-y was investigated …

Thermodynamic reasoning for colossal N supersaturation in austenitic and ferritic stainless steels during low-temperature nitridation

KN Sasidhar, SR Meka - Scientific Reports, 2019 - nature.com
Colossal N supersaturation of ferritic as well as austenitic stainless steels during low
temperature gaseous nitridation treatments has lately gained much technological …

Investigation of low-temperature liquid nitriding conditions for 316 stainless steel for improved mechanical and corrosion response

N Kumar, GP Chaudhari, SR Meka - Transactions of the Indian Institute of …, 2020 - Springer
Combined influence of liquid nitriding time and liquid nitriding temperature on the properties
of nitrided region developed on 316 stainless steel was investigated. Studies were restricted …

Combined Application of Mechanical Deformation and Nitriding to Realize Optimal Mechanical and Anticorrosion Properties for 316 Stainless Steel

J Neduri, GP Chaudhari, SR Meka - JOM, 2024 - Springer
Thermo-mechanical and thermochemical surface treatments are well-established methods
for optimizing the properties of metallic materials. This study examines the effect of cryo …

Room temperature oxide-film formation by oxygen dissolution induced surface directed spinodal decomposition in stainless steel

KN Sasidhar, SR Meka - Corrosion Science, 2020 - Elsevier
A detailed thermodynamic assessment has for the first time shown that the rapid oxide film
formation on stainless steels subjected to the natural air atmosphere at room temperature is …

Role of Dislocations and Deformation-Induced Martensite on Salt Bath Nitriding Response of Austenitic Stainless Steel

N Jagadeesh, N Kumar, KN Sasidhar… - Transactions of the Indian …, 2023 - Springer
The slow kinetics of low-temperature nitriding of stainless steels has motivated the
researchers to apply severe plastic deformation techniques to enhance the nitriding kinetics …

Effect of severe plastic deformation on pre-and post-nitriding conditions of 316 stainless steel

N Kumar, AS Yadav, GP Chaudhari… - Transactions of the Indian …, 2022 - Springer
Objective of the current study is to investigate the effect of plastic deformation before and
after nitriding on nitrogen (N) and hardness distribution as a function of depth. AISI316 …