Influence of microstructural parameters on the mechanical properties of oxide dispersion strengthened Fe-14Cr steels

M Dadé, J Malaplate, J Garnier, F De Geuser… - Acta Materialia, 2017 - Elsevier
The effect of microstructural parameters on the microstructure, tensile properties from room
temperature to 800° C and creep properties at 650° C has been investigated in a 14% Cr …

Microstructure characterization and strengthening mechanisms of oxide dispersion strengthened (ODS) Fe-9% Cr and Fe-14% Cr extruded bars

A Chauhan, F Bergner, A Etienne, J Aktaa… - Journal of Nuclear …, 2017 - Elsevier
The collaborative study is focused on the relationship between microstructure and yield
stress for an ODS Fe-9% Cr-based transformable alloy and an ODS Fe-14% Cr-based …

A physically-based constitutive model for high temperature microstructural degradation under cyclic deformation

RA Barrett, PE O'Donoghue, SB Leen - International Journal of Fatigue, 2017 - Elsevier
This paper presents a dislocation-mechanics cyclic viscoplasticity model which incorporates
the key physical micro-mechanisms of strengthening and softening for high temperature …

Fatigue fracture of surface-modified layers in 18CrNiMo7-6 carburized steel

Y Zhang, LC Lu, GT Xu, G Wang, MH Zhao - Engineering Failure Analysis, 2022 - Elsevier
A modified layer of a certain thickness is produced on the surface of 18CrNiMo7-6 alloy steel
after carburizing and quenching that greatly affects the microstructure and fatigue properties …

[HTML][HTML] Investigation of short-term creep deformation mechanisms in MarBN steel at elevated temperatures

A Benaarbia, X Xu, W Sun, AA Becker… - Materials Science and …, 2018 - Elsevier
This paper reports the short-term creep behaviour at elevated temperatures of a MarBN steel
variant. Creep tests were performed at three different temperatures (625° C, 650° C and …

High-temperature low-cycle fatigue behavior of a 9Cr-ODS steel: Part 1-pure fatigue, microstructure evolution and damage characteristics

A Chauhan, J Hoffmann, D Litvinov, J Aktaa - Materials Science and …, 2017 - Elsevier
Low cycle fatigue (LCF) behavior of a tempered martensitic Fe-9% Cr-based oxide
dispersion strengthened (ODS) steel at elevated temperatures is correlated to the …

[HTML][HTML] Microstructure and mechanical properties evolutions of 9Cr heat resistant steel deposited metals with different Si contents during 550° C aging process

T Yu, C Liu, D Wu, S Wei, S Lu - Journal of Materials Research and …, 2023 - Elsevier
The stability of microstructure and mechanical properties of 9Cr heat resistant steel under
high temperature and long term service conditions has been a hot issue of great interest. In …

On the thermal stability of a 9Cr-ODS steel aged at 700 C up to 10000 h-Mechanical properties and microstructure

P Zheng, Y Li, J Zhang, J Shen, T Nagasaka… - Materials Science and …, 2020 - Elsevier
Thermal aging experiments on a 9Cr-ODS steel were carried out at 700° C with a period
from 100 up to 10000 h, and the effects on mechanical properties and microstructural …

Ultrastrong nanocrystalline oxide-dispersion-strengthened ferritic alloy with exceptional thermal stability

XC Cai, JJ Liang, LD Xu, BR Sun, Z Chen… - Materials Science and …, 2021 - Elsevier
As structural materials candidates of advanced fission and future fusion reactors, oxide-
dispersion-strengthened (ODS) alloys, which are often ultrafine-grained (with a grain size …

High-temperature low-cycle fatigue behavior of a 9Cr-ODS steel: Part 2-hold time influence, microstructural evolution and damage characteristics

A Chauhan, J Hoffmann, D Litvinov, J Aktaa - Materials Science and …, 2018 - Elsevier
Creep-fatigue (CF) interaction in a tempered martensitic Fe-9% Cr-based oxide dispersion
strengthened (ODS) steel was studied at 650° C by introducing hold-time of up to 30 min at …