Microstructure-sensitive modeling of high temperature creep in grade-91 alloy

MA Kumar, L Capolungo - International Journal of Plasticity, 2022 - Elsevier
Predicting the effects of microstructure on high-temperature creep responses of steel
components is critical to minimize the risks of failure and maximize economic viability in the …

Outstanding high-temperature strength of novel Fe–Cr–Ni–Al–V ferritic alloys with hierarchical B2–NiAl precipitates

K Park, B Cho, SJ Hong, KR Lim, C Lee… - Materials Science and …, 2022 - Elsevier
We designed and developed a novel ferritic alloy, which reveals excellent high-temperature
yield strength enhanced by coherent hierarchical precipitates. The composition of designed …

Designing L21-Co2TiAl precipitate-strengthened ferritic alloys with excellent high-temperature mechanical properties

J Kim, K Park, SJ Hong, SH Hong, KB Kim… - Materials Science and …, 2024 - Elsevier
Abstract Recently, Fe–Cr–Ni–Al–Ti ferritic alloys strengthened by L2 1-type Ni 2 TiAl
precipitates have demonstrated superior high-temperature strength compared to …

Creep deformation behaviour of thermomechanically treated India specific reduced activation ferritic martensitic steel

PA Kumar, J Vanaja, GVP Reddy, GVSN Rao - Journal of Nuclear Materials, 2023 - Elsevier
In the present work, the influence of thermomechanical treatment (TMT) on microstructural
evolution and creep deformation behaviour of India specific reduced activation ferritic …

Creep cavities and carbide evolution in interrupted creep conditions along P91 steel of dissimilar weld joint

DD Awale, TR Dandekar, AR Ballal… - Journal of Adhesion …, 2024 - Taylor & Francis
The creep behaviour of dissimilar weld joint of 316LN SS-P91 steel when subjected to lower
applied stresses (below 100 MPa) generally fails in a Type-IV pattern. The dissimilar weld …

On enhancing the creep performance of modified 9Cr-1Mo steel by employing a secondary short-term heat treatment

A Parnaik, AHV Pavan, A Das… - Journal of Materials …, 2024 - Springer
Creep behavior of an as-received, normalized, and tempered 9Cr-1Mo (P 91) steel and its
secondary short-term normalized and short-term tempered counterpart at temperatures of …

Influence of precipitate evolution on the impact fracture behavior in Nb-containing 16Cr–25Ni superaustenitic stainless steel weld metal

W Tian, D Wu, Y Li, S Lu - International Journal of Pressure Vessels and …, 2022 - Elsevier
In this work, the precipitate evolution and its influence on the impact fracture behavior of Nb-
containing 16Cr–25Ni superaustenitic stainless steel weld metal were systematically studied …

[HTML][HTML] Microstructural study of the thermal stability of a thermomechanically treated T91 steel by TEM in situ annealing

E Oñorbe, M Hernández-Mayoral, R Hernández… - Nuclear Materials and …, 2022 - Elsevier
Thermal stability of a conventional 9Cr-1Mo ferritic/martensitic steel submitted to a
thermomechanical treatment has been investigated by means of an in-situ annealing …

Type IV Damage Evolution during Creep of 316LN SS-P91 Steel Dissimilar Weld Joint

VD Vijayanand, DD Awale, AR Ballal… - Journal of Materials …, 2024 - Springer
Damage evolution in a creep tested 316LN stainless steel—P91 steel dissimilar weld joint
fabricated by shielded metal arc welding has been investigated. Failure in this joint which …

[HTML][HTML] Study on strengthening mechanism of 9Cr-1.5 Mo-1Co and 9Cr-3W-3Co heat resistant steels

L Zhao, X Chen, T Wu, Q Zhai - Materials, 2020 - mdpi.com
The strengthening mechanism of 9Cr–1.5 Mo–1Co and 9Cr–3W–3Co heat resistant steel
was studied by tensile test and microstructure analysis. At the same temperature, the yield …