From austenitic stainless steel to expanded austenite-S phase: Formation, characteristics and properties of an elusive metastable phase

F Borgioli - Metals, 2020 - mdpi.com
Austenitic stainless steels are employed in many industrial fields, due to their excellent
corrosion resistance, easy formability and weldability. However, their low hardness, poor …

[HTML][HTML] The Expanded Phases Formed in Stainless Steels by Means of Low-Temperature Thermochemical Treatments: A Corrosion Perspective

F Borgioli - Metals, 2024 - mdpi.com
Surface engineering of stainless steels using thermochemical treatments at low
temperatures has been the subject of intensive research for enhancing the surface hardness …

Investigation of chemical short range order strengthening in a model Fe–12Ni–18Cr (at.%) stainless steel alloy: A modeling and experimental study

K Chu, E Antillon, C Stewart, K Knipling, P Callahan… - Acta Materialia, 2023 - Elsevier
Solid solution strengthening remains the basis for many industrial alloys, yet chemical short-
range order (CSRO) can also play a significant role in the strengthening of alloys with …

An exceptionally strong, ductile and impurity-tolerant austenitic stainless steel prepared by laser additive manufacturing

Y Chen, H Zhu, P Zhang, Z Wang, M Wang, G Sha… - Acta Materialia, 2023 - Elsevier
The effective strategy for structural steel with excellent tolerance of impurities is to increase
solidification rate to prevent the formation of segregation and intermetallic during fabrication …

Effects of interstitial C and N on hydrogen embrittlement behavior of non-equiatomic metastable FeMnCoCr high-entropy alloys

Z Fu, P Wu, S Zhu, K Gan, D Yan, Z Li - Corrosion Science, 2022 - Elsevier
The hydrogen embrittlement behavior of C-doped and CN co-doped non-equiatomic
FeMnCoCr high-entropy alloys were investigated by slow strain rate tensile tests (1× 10− 5 …

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

Y **e, 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 …

High-efficient gas nitridation of AISI 316L austenitic stainless steel by a novel critical temperature nitriding process

D Tang, C Zhang, H Zhan, W Huang, Z Ding, D Chen… - Coatings, 2023 - mdpi.com
To improve the surface properties of austenitic stainless steels, a thick S-phase layer was
prepared by using a novel critical temperature nitriding (CTN) process. The properties of the …

Composition-dependent transformation-induced plasticity in Co-based complex concentrated alloys

HS Oh, M Xu, S Wei, FF Worsnop, JM LeBeau… - Acta Materialia, 2024 - Elsevier
While the mechanically-induced martensitic transformation and transformation-induced
plasticity (TRIP) effects have various known benefits, transformation of blocky martensite can …

Investigation of thermal phase evolution in Cr2 (C, N) inhibitor for optimizing high-performance cemented carbide sintering process

Y Zhang, Y Liu, C Liu, L Wang - Materials Characterization, 2023 - Elsevier
The introduction of inhibitors containing nitrogen has demonstrated its efficacy in the
fabrication of high-performance cemented carbides. Nevertheless, the thermal instability of …

Co-existence of γ'N phase and γN phase on nitrided austenitic Fe-Cr-Ni alloys-III. An investigation of the evolution of long-range ordered domains

HL Che, X Yang, MK Lei, MAJ Somers - Acta Materialia, 2023 - Elsevier
Experimentally and theoretically, the basic structures of disordered expanded austenite, γ N,
and ordered expanded austenite, γ'N, have been confirmed to consist of Cr-N short-range …