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Influence of Co and Al on Bainitic Transformation in Super Bainitic Steels
steel research international, 2013AbstractThe effect of cobalt and aluminum addition on the bainitic transformation of super bainitic steels was investigated. Nanostructured bainitic ferrite and retained austenite microstructures were obtained when the steels were transformed at low temperatures. The bainitic transformation was accelerated by the addition of Co and Al. The thickness of
Feng Hu, Kai‐Ming Wu, Hua Zheng
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Effects of ausforming strain on bainite transformation in nanostructured bainite steel
International Journal of Minerals, Metallurgy, and Materials, 2017The effects of ausforming strain on bainite transformation in high-carbon low-alloy nanobainite steel were investigated using a Gleeble 3500 thermomechanical simulator machine. The bainite transformation speed at 300°C was found to be accelerated by ausforming at 300, 600, and 700°C under applied strains ranging from 10% to 50% followed by isothermal ...
Hong-liang Fan +4 more
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2004
«The mechanism of bainite formation has been the subject of numerous original research papers and reviews for almost a century hut without any signs of controversies being resol ved. For beginners and even for experts in related fields this wealth of information has been very confusing...» M Hillert in Preface to the Viewpoint Set on: Bainite“[Hil02 ...
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«The mechanism of bainite formation has been the subject of numerous original research papers and reviews for almost a century hut without any signs of controversies being resol ved. For beginners and even for experts in related fields this wealth of information has been very confusing...» M Hillert in Preface to the Viewpoint Set on: Bainite“[Hil02 ...
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Metallurgical Transactions A, 1990
Driving force calculations for Fe-C, Fe-X-C, and Cu-Zn alloys show that the formation of bainite by a shear mechanism is thermodynamically impossible. There exist superledges on the broad faces of bainite in steels, revealing that the thickening of bainite probably proceeds by a ledge mechanism.
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Driving force calculations for Fe-C, Fe-X-C, and Cu-Zn alloys show that the formation of bainite by a shear mechanism is thermodynamically impossible. There exist superledges on the broad faces of bainite in steels, revealing that the thickening of bainite probably proceeds by a ledge mechanism.
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Slow Bainite: an Opportunity to Determine the Carbon Content of the Bainitic Ferrite during Growth
Solid State Phenomena, 2011The amount of carbon in solid solution in bainitic ferrite at the early stage of transformation has been directly determined by atom probe tomography at 200 °C, taking advantage of the extremely slow transformation kinetics of a novel nanocrystalline steel.
Francisca G. Caballero +2 more
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Materials Science and Technology, 2013
There has long existed a controversy regarding the formation of the bainite phase in steels. Nonetheless, following the clear identification of bainite in 1930, several characteristic features associated with the bainite transformation became well established.
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There has long existed a controversy regarding the formation of the bainite phase in steels. Nonetheless, following the clear identification of bainite in 1930, several characteristic features associated with the bainite transformation became well established.
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Analysis on bainite transformation in reheated low-carbon bainite weld metals
Materials Science and Technology, 2017A combination of laser scanning confocal microscopy (LSCM) and dilatometry was utilised to simultaneously qualitatively analyse the morphological evolution of bainite by examination of in situ observed micrographs and to quantitatively investigate the amount of bainite transformation by studying dilatometry data.
Gaojun Mao, Rui Cao, Jianhong Chen
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Bainite Sensor – A new tool for process and quality control of the bainite transformation*
HTM Journal of Heat Treatment and Materials, 2008Abstract A non-destructive online measurement system called “Bainite Sensor” is developed for the application of monitoring bainite transformation in salt bath adapted heat treatment equipments, nowadays controlled by computer assisted features. The measurement procedure is based upon eddy current harmonic analysis.
H. Klümper-Westkamp +5 more
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Effects of Bainitic Phase on Mechanical Properties of Bainite−Aided Multiphase Steels
steel research international, 2017Advanced high strength steels play an important role in the automotive industry. However, they still show inferior formability such as low stretch−flangeability. Therefore, in this work, various heat treatment processes are performed for generating multiphase steels with enhanced mechanical and forming behavior.
Chanakarn Apimonton +4 more
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Diffusion in growth of bainite
Metallurgical and Materials Transactions A, 1994Edgewise growth rates for Widmanstaetten ferrite and bainite in low alloy steels can be represented with an empirical equation showing proportionality to the square of the supersaturation of the austenite. The proportionality constant has a value in reasonable agreement with the assumption of rate control by carbon diffusion.
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