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   Articles with "martensitic steels" as a keyword



Ferritic–Martensitic Steels in Power Industry: Microstructure, Degradation Mechanism, and Strengthening Methods

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recommendations! Published in 2024 at "steel research international"

DOI: 10.1002/srin.202400372

Abstract: Ferritic–martensitic (F–M) steels are widely used for high‐temperature pressure vessels and reactor cladding structures in power plants. The high operating temperatures and pressures, as well as the radiation environment, significantly challenge the mechanical stability of… read more here.

Keywords: degradation; strengthening methods; ferritic martensitic; steels power ... See more keywords
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Revealing the difference of precipitation kinetics between TiC and VC in low-carbon tempered martensitic steels

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recommendations! Published in 2020 at "Journal of Materials Science"

DOI: 10.1007/s10853-020-05176-3

Abstract: The precipitation kinetics of TiC and VC during high-temperature tempering of low-carbon martensitic steels was studied by means of hardness measurement and theoretical analysis. The precipitation–temperature–time diagram, which was determined through the hardness versus tempering… read more here.

Keywords: precipitation; precipitation kinetics; low carbon; martensitic steels ... See more keywords
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Rapid Method for Determining Boundaries of Former Austenite Grains in Bainitic-Martensitic Steels from Local Orientations of Structural Transformations

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recommendations! Published in 2019 at "Metal Science and Heat Treatment"

DOI: 10.1007/s11041-019-00417-y

Abstract: A method for rapid determination of former austenite grains in bainitic-martensitic steels employing standard software for processing the results of mapping of crystallographic orientations obtained by electron back-scatter diffraction analysis in a scanning electron microscope… read more here.

Keywords: former austenite; martensitic steels; method; austenite grains ... See more keywords
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Effects of Si, Mn on the corrosion behavior of ferritic–martensitic steels in supercritical water (SCW) environments

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recommendations! Published in 2020 at "Corrosion Science"

DOI: 10.1016/j.corsci.2020.108432

Abstract: Abstract Ferritic-Martensitic (F/M) steels with various amounts of alloying elements (Cr: 12 wt. %, Si: 0.6-2.2 wt. %, Mn: 0.6-1.8 wt. %) were exposed to Supercritical Water (SCW) environments at 500 °C and 25 MPa for up to 1000 hours. Gravimetric,… read more here.

Keywords: ferritic martensitic; water; martensitic steels; corrosion ... See more keywords

Modeling the cyclic softening and lifetime of ferritic-martensitic steels under creep-fatigue loading

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recommendations! Published in 2018 at "International Journal of Mechanical Sciences"

DOI: 10.1016/j.ijmecsci.2017.12.042

Abstract: Abstract Ferritic-martensitic (F/M) steels are a common choice for high-pressure, high-temperature boilers and steam piping in power plants, but cyclic softening without saturation is a major degradation mechanism of F/M steels. This degradation mechanism is… read more here.

Keywords: ferritic martensitic; fatigue; martensitic steels; softening lifetime ... See more keywords

A hierarchical theoretical model for mechanical properties of lath martensitic steels

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recommendations! Published in 2018 at "International Journal of Plasticity"

DOI: 10.1016/j.ijplas.2018.07.012

Abstract: Abstract Lath martensitic steels possess excellent mechanical properties because of the special microstructure, i.e. laths, blocks and packets with particular crystallography in a prior austenite grain. To theoretically analyze the mechanical behavior of lath martensitic… read more here.

Keywords: martensitic steels; model; prior austenite; mechanical properties ... See more keywords
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Microstructural changes of ferritic/martensitic steels after irradiation in spallation target environments

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recommendations! Published in 2018 at "Journal of Nuclear Materials"

DOI: 10.1016/j.jnucmat.2018.09.028

Abstract: Abstract Ferritic/martensitic (FM) steels are the one of major classes of materials included in the SINQ Target Irradiation Program performed at the Paul Scherrer Institute. A large matrix of FM steels from various international nuclear… read more here.

Keywords: ferritic martensitic; irradiation; microstructural changes; martensitic steels ... See more keywords

Ferritic-martensitic steels for fission and fusion applications

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recommendations! Published in 2019 at "Journal of Nuclear Materials"

DOI: 10.1016/j.jnucmat.2019.05.058

Abstract: Abstract Compared to austenitic stainless steels, largely employed in the early fission reactors, high chromium Ferritic/Martenstic (FM) steels, developed since the first half of the 20th century for fossil-fuel power-plants, have a number of advantageous… read more here.

Keywords: fission fusion; fusion; ferritic martensitic; fission ... See more keywords

Microstructure characteristics of 12Cr ferritic/martensitic steels with various yttrium additions

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recommendations! Published in 2019 at "Journal of Rare Earths"

DOI: 10.1016/j.jre.2018.08.013

Abstract: Abstract 12Cr ferritic/martensitic steels with 0, 0.1 wt%, 0.2 wt% and 0.3 wt% theoretical yttrium (Y) additions were fabricated by vacuum inducting melting and casting method. Solubilities of Y in the 12Cr steels are 0.027, 0.078 and 0.17… read more here.

Keywords: yttrium additions; ferritic martensitic; microstructure characteristics; 12cr 12cr ... See more keywords

Fabricating 9–12 Cr ferritic/martensitic steels using selective electron beam melting

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recommendations! Published in 2020 at "Materials Letters"

DOI: 10.1016/j.matlet.2020.127747

Abstract: Abstract 9–12 Cr ferritic/martensitic steel is successfully fabricated using selective electron beam melting (SEBM). The microstructure of as-built components is compared to the ones fabricated by a conventional method, and it is revealed that the… read more here.

Keywords: ferritic martensitic; martensitic steels; selective electron; beam melting ... See more keywords

On the onset of necking instability in tempered martensitic 9% Cr steels

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recommendations! Published in 2018 at "Mechanics Research Communications"

DOI: 10.1016/j.mechrescom.2018.10.004

Abstract: Abstract Considere criterion accounting for necking instability has been examined in terms of dislocation density based approach for tempered martensitic 9% Cr steels. The critical dislocation density as well as the critical strain at which… read more here.

Keywords: dynamic recovery; necking instability; martensitic steels; onset necking ... See more keywords