Microstructure Control of a Low Carbon Martensitic Stainless Steel by Quenching and Partitioning Heat Treatment

Tsuchiyama, Toshihiro; Tobata, Junya; Tao, Toshiaki; Nakada, Nobuo; Takaki, Setsuo

doi:10.4028/www.scientific.net/msf.706-709.2338

Cited by 3 publications

(1 citation statement)

References 4 publications

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“…The appearance of stainless steels can be consider an important moment of industrial revolution, because the disastrous effects of corrosion on iron and his alloys [1]. The name of stainless steel is very restrictive, as the name in English (stainless that is un-attackable steel) or the name in German (nicht rostende Stahl that is steel that do not rust), names which were imposed at the beginning of his discovery, due to the resistance of these steels in atmospheric corrosion [13,14].…”

Section: Introductionmentioning

confidence: 99%

The Analysis of Physical-Structural Properties for AISI 321 Steel

Băitanu

Găluşcă

Achiţei

et al. 2016

KEM

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The applications of stainless steels may be meeting in chemical industry, food industry, civil building, but present an increased interest also in machine constructions or household.This paper highlight the structural modifications obtained after temperature variations for AISI 321 stainless steel. The modifications of structure and proprieties can be induced by heat treatments applied to semi-products before or after the obtaining of final parts, but also by heating at regimes which respect the exploitation conditions of part. In the experiments, it is applied quenching to put into solution, with modification of final treatment temperature and maintaining time, aiming the dissolution of complex carbides and in this mode an easy processing. The treatment parameters were chosen, after the determination of alloying elements by AISI 321 samples, by optic spectrometry. The dilatometric analysis aimed to highlight the structural modifications, specific to thermal fatigue phenomenon, due to temperatures variations.

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Section: Introductionmentioning

confidence: 99%

The Analysis of Physical-Structural Properties for AISI 321 Steel

Băitanu

Găluşcă

Achiţei

et al. 2016

KEM

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Effect of Austenite Reversion Treatment and Partitioning on the Phase Transformation Behavior and Mechanical Properties of Martensitic–Austenitic CrMnNi‐Cast Steel

Wendler,

Hauser,

Quitzke

et al. 2024

steel research int.

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The grain size of austenitic‐stainless‐cast steels is usually coarse and may be several hundred microns to millimeters, depending on solidification conditions and ingot geometry. During solidification, dendritic crystals grow into the supercooled melt and stop growing when they touch each other, which is accompanied by the formation of high‐angle grain boundaries. Further cooling of metastable austenitic steels with a martensite start temperature above room temperature can partially transform them into martensite. During subsequent heating above the austenite start temperature, also known as austenite reversion treatment (ART), the martensite transforms back into austenite. The resulting austenitic microstructure is thus significantly refined, leading to an even finer martensitic microstructure during subsequent cooling. To reduce the martensite formation capability, partitioning is carried out to enrich the austenite with C and N and thus improve the formability. In the present work, the temperature‐dependent phase transformation behavior of the martensitic–austenitic stainless X16CrNiMnN15‐3‐1 transformation‐induced‐plasticity‐cast steel is determined by means of dilatometry. The influence of a single or multiple ART on the resulting austenite grain size, the microstructure and the tensile properties are described. It is demonstrated that ultrahigh‐strength steels with good ductility can be achieved by using partitioning after ART.

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Optimizing the Microstructure and Mechanical Properties of Quenching and Partitioning 12% Chromium Stainless Steel Through Nitrogen Addition and Quench Temperature Control

Nazari,

Ghasemi

2024

J. of Materi Eng and Perform

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Microstructure Control of a Low Carbon Martensitic Stainless Steel by Quenching and Partitioning Heat Treatment

Cited by 3 publications

References 4 publications

The Analysis of Physical-Structural Properties for AISI 321 Steel

The Analysis of Physical-Structural Properties for AISI 321 Steel

Effect of Austenite Reversion Treatment and Partitioning on the Phase Transformation Behavior and Mechanical Properties of Martensitic–Austenitic CrMnNi‐Cast Steel

Optimizing the Microstructure and Mechanical Properties of Quenching and Partitioning 12% Chromium Stainless Steel Through Nitrogen Addition and Quench Temperature Control

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