Supervised machine learning-based multi-class phase prediction in high-entropy alloys using robust databases

A Oñate, JP Sanhueza, D Zegpi, V Tuninetti… - Journal of Alloys and …, 2023 - Elsevier
This work evaluated the phase prediction capability of high entropy alloys using four
supervised machine learning models K-Nearest Neighbors (KNN), Multinomial Regression …

Residual stress distributions in a P91 steel-pipe girth weld before and after post weld heat treatment

S Paddea, JA Francis, AM Paradowska… - Materials Science and …, 2012 - Elsevier
In this study the residual stresses in a pipe girth weld in a ferritic-martensitic power plant
steel were measured by neutron diffraction and compared with the corresponding …

[HTML][HTML] Cyclic responses and microstructure sensitivity of Cr-based turbine steel under different strain ratios in low cycle fatigue regime

X Gong, T Wang, Q Li, Y Liu, H Zhang, W Zhang… - Materials & Design, 2021 - Elsevier
When turbine steel services, ie, startup and shutdown processes, the cyclic mechanical
stress caused by the asymmetry loading conditions is introduced. To study the effect of mean …

The role of Laves phase on microstructure evolution and creep strength of novel 9% Cr heat resistant steels

O Prat, J Garcia, D Rojas, G Sauthoff, G Inden - Intermetallics, 2013 - Elsevier
The influence of Laves phase (type Fe2W) formation and growth kinetics on the creep
strength at 650° C of two different 9% Cr heat resistant steels of the authors' design was …

A dissimilar welded joint of grade 92 steel and AISI 304L steel obtained using IN82 buttering and IN617 filler: relationship of microstructure and mechanical properties

HS Surkar, A Kumar, S Sirohi, SM Pandey… - Archives of Civil and …, 2024 - Springer
Unfavourable operating conditions of equipment in the energy industry resulting from high-
temperature loads determine the need to use special materials and technological solutions …

Enhanced mechanical properties induced by refined heat treatment for 9Cr–0.5 Mo–1.8 W martensitic heat resistant steel

SS Wang, DL Peng, L Chang, XD Hui - Materials & Design, 2013 - Elsevier
In this work, the phase transformation in 9Cr–1.8 W–0.5 Mo steel was investigated to provide
the theoretical basis for the design of the temperature of heat treatment process. Refined …

Multiscale modelling of mechanical response in a martensitic steel: A micromechanical and length-scale-dependent framework for precipitate hardening

DF Li, BJ Golden, NP O'Dowd - Acta Materialia, 2014 - Elsevier
In this paper, a multiscale finite element (FE) modelling framework is developed with explicit
representation of polycrystalline microstructure and sub-micron precipitate structure for a …

On the 650° C thermostability of 9–12Cr heat resistant steels containing different precipitates

H Wang, W Yan, S van Zwaag, Q Shi, W Wang, K Yang… - Acta Materialia, 2017 - Elsevier
The thermal stability of the microstructure, in particular that of the precipitates, has been
known to be a critical factor for the creep strength of 9–12Cr martensitic heat-resistant steels …

A new strategy to improve the creep strength of a novel G115 steel by accelerating the precipitation of nano-sized MX and Cu-rich particles

J Zhang, L Yu, Q Gao, C Liu, Z Ma, H Li, Y Liu, H Wang - Scripta Materialia, 2022 - Elsevier
A new thermo-mechanical treatment strategy is proposed to improve the creep resistance of
a recently developed G115 steel. The goal of this strategy is to construct a favourable …

The design of a compositionally robust martensitic creep-resistant steel with an optimized combination of precipitation hardening and solid-solution strengthening for …

Q Lu, W Xu, S van der Zwaag - Acta materialia, 2014 - Elsevier
Precipitation hardening and solid-solution strengthening (SSS) are the most effective
strengthening mechanisms in creep-resistant, corrosion-resistant ferritic/martensitic steels …