Effect of the as-built microstructure on the martensite to austenite transformation in a 18Ni maraging steel after laser-based powder bed fusion

FF Conde, JA Avila, JP Oliveira, N Schell… - Additive …, 2021 - Elsevier
During laser-based powder bed fusion, the non-equilibrium solidification conditions promote
local elemental segregation, leading to a characteristic microstructure composed of cellular …

Austenite reversion in low-carbon martensitic stainless steels–a CALPHAD-assisted review

F Niessen - Materials Science and Technology, 2018 - Taylor & Francis
Low-carbon martensitic stainless steels with 11.5–16 wt-% Cr and< 0.07 wt-% C are
characterised by high corrosion resistance, strength, ductility and impact toughness …

Abnormal thermal expansion behaviour and phase transition of laser powder bed fusion maraging steel with different thermal histories during continuous heating

Y Bai, C Zhao, J Zhang, H Wang - Additive Manufacturing, 2022 - Elsevier
Although maraging steel materials have been widely used in the laser powder bed fusion
(LPBF) process, there are few reports on the behaviour of thermal expansion, which is an …

Austenite reversion kinetics and stability during tempering of a Ti-stabilized supermartensitic stainless steel: Correlative in situ synchrotron x-ray diffraction and …

JD Escobar, GA Faria, L Wu, JP Oliveira, PR Mei… - Acta materialia, 2017 - Elsevier
Correlative physical simulation, synchrotron x-ray diffraction and laser dilatometry were used
to characterize the surface and volumetric austenite reversion kinetics and stability in a Ti …

On the role of cellular microstructure in austenite reversion in selective laser melted maraging steel

Y Yao, L Fan, R Ding, C Franke, Z Yang, W Liu… - Journal of Materials …, 2024 - Elsevier
Cellular microstructure is a unique feature in alloys fabricated by selective laser melting
(SLM). Abundant efforts have been made to reveal the formation mechanism of cellular …

Compositional analysis on the reverted austenite and tempered martensite in a Ti-stabilized supermartensitic stainless steel: Segregation, partitioning and carbide …

JD Escobar, JD Poplawsky, GA Faria, J Rodriguez… - Materials & Design, 2018 - Elsevier
Controlling the amount of reverted austenite at room temperature allows for tailoring of
mechanical properties in supermartensitic stainless steels. The austenite reversion and …

[HTML][HTML] Microstructural refinement by spontaneous recrystallization without prior deformation of a 15-5 PH steel alloy and its mechanism

G Ressel, D Brandl, T Hönigmann, M Lukas, A Stark… - Materials & Design, 2023 - Elsevier
The recrystallization without previous deformation is reported in literature for a small,
selected group of alloys. The present work provides evidence for the first time that the …

[HTML][HTML] Multiscale in-situ studies of strain-induced martensite formation in inter-critically annealed extra-low-carbon martensitic stainless steel

F Niessen, AA Gazder, J Hald, MAJ Somers - Acta Materialia, 2021 - Elsevier
An extra low carbon martensitic stainless steel with 16% ultrafine grained metastable
reverted austenite was subjected to uniaxial tensile testing and investigated with in-situ …

Multiscale in-situ observations of the micro-and nanostructure of a PH 13-8 Mo maraging steel during austenitization

A Rosenauer, D Brandl, G Ressel, T Hönigmann… - Materials …, 2024 - Elsevier
The aim of the present work is to elaborate on the microstructural evolution of a PH 13-8 Mo
maraging steel during austenitization by using multiscale in-situ techniques, which range …

Precipitation and reverted austenite formation in maraging 350 steel: Competition or cooperation?

ALM Feitosa, GG Ribamar, J Escobar, R Sonkusare… - Acta Materialia, 2024 - Elsevier
Aged maraging steels offer unique strength and toughness via the presence of finely
dispersed precipitates, allowing the material to reach values of up to 2400 MPa in yield …