Results 51 to 60 of about 171 (94)

The first bulk nanostructured metal. [PDF]

Sci Technol Adv Mater, 2013
Bhadeshia HK.
europepmc   +1 more source

Influence of Prior Martensite on Bainite Transformation, Microstructures, and Mechanical Properties in Ultra-Fine Bainitic Steel. [PDF]

Materials (Basel), 2019
Guo H, Feng X, Zhao A, Li Q, Ma J.
europepmc   +1 more source

Crystallographic characterization of steel microstructure using neutron diffraction. [PDF]

Sci Technol Adv Mater, 2019
Tomota Y.
europepmc   +1 more source

Technological Properties and Applications of High-Carbon Nanobainitic Steels

Biuletyn Instytutu Spawalnictwa, 2018
Marek St. Węglowski, Jarosław Marcisz, Bogdan Garbarz   +2 more
openaire   +2 more sources

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Extremely high strength achievement in medium-C nanobainite steel

Scripta Materialia, 2018
Abstract Nanobainite was produced in medium-C Si-rich steel through ausrolling at 500 °C and subsequent austempering at temperatures slightly above the martensite start temperature. The tensile properties were studied and compared to high-C nanobainite steels.
T S Wang
exaly   +3 more sources

Effect of Deep Cryogenic Treatment on the Microstructure and Wear Resistance of a Novel Nanobainite Steel

Steel Research International, 2021
A novel nanobainitic (NB) steel is treated by three different heat treatment routes: quenching‐tempering (QT), quenching‐austempering‐tempering (AT), and quenching‐austempering‐deep cryogenic treatment‐tempering (ACT). To investigate the effects of retained austenite (RA) with different morphologies, stabilities, and volume fractions on the wear ...
Hai Hao, Xingguo Zhang
exaly   +3 more sources

Effect of ausforming on nanobainite steel

Scripta Materialia, 2010
The effect of ausforming on kinetics, morphology and crystallography of nanobainite steel was examined by electron backscattered diffraction and transmission electron microscopy. Ausforming has been found to accelerate bainite transformation at 573 K. A characteristic microstructure consisting of blocky bainitic laths and retained austenite is observed
Yo Tomota
exaly   +3 more sources

Effect of prior martensite on bainite transformation in nanobainite steel

Acta Materialia, 2015
Abstract Nanobainite transformation behavior was comparably studied using in situ neutron diffraction measurements, scanning electron microscopy and electron backscatter diffraction observations for two heat treatments: with and without partial quenching before isothermal holding at 523 or 573 K.
Stefanus Harjo, Yo Tomota
exaly   +3 more sources

Replacing martensite with nanobainite in moderately alloyed carburised steel for better wear performance

International Journal of Materials Research, 2019
Abstract Nanobainitic structures were produced in a low alloy carburised steel at temperatures of 200, 250 and 300°C. Scanning electron microscope micrographs indicated bainitic ferrites formed with a thickness range of 30–150 nm. Wear test results revealed that the coefficient of friction for nanobainitic samples was smaller and ...
Sasan Yazdani
exaly   +3 more sources

Effect of austenite grain size on transformation of nanobainite and its mechanical properties

Materials Science & Engineering A: Structural Materials: Properties, Microstructure and Processing, 2016
Abstract Nanobainite steels display an excellent combination of outstanding strength and ductility. However, the transformation rate and impact toughness of nanobainite still need to be improved. In this work, the effect of refining austenite grain size to an ultrafine one on bainite transformation and its mechanical properties were investigated ...
Yongning Liu, Hongji Liu
exaly   +3 more sources