Results 21 to 30 of about 18,333 (280)

On carbon distribution in austenite Fe‑C alloys

open access: yesЛитьë и металлургия, 2022
Based on the calculations of the model of the elementary crystal cell γ‑iron, it is shown that carbon ions cannot be present in its open pores. Carbon in Fe‑C alloys dissolves and distributes mainly as elementary graphite nanocrystals. In steel austenite,
E. I. Marukovich   +2 more
doaj   +1 more source

Evaluation of Volume Fraction of Austenite in Austempering Process of Austempered Ductile Iron

open access: yesMetals, 2019
In the present work, an evaluation of the volume fraction of austenite in austempered ductile iron (ADI) is presented by means of three different methods.
Edward Tyrała   +4 more
doaj   +1 more source

Effect of Starting Microstructures on the Reverse Transformation Kinetics in Low-Carbon Steel

open access: yesMetals, 2020
The effect of the initial starting microstructures on the austenite reverse transformation kinetics is thoroughly studied in low-carbon steel. The different initial starting microstructures including the ferrite + pearlite, bainite, and martensite are ...
Junhua Hou, Binbin He
doaj   +1 more source

The Kinetics of Phase Transition of Austenite to Ferrite in Medium-Carbon Microalloy Steel

open access: yesMetals, 2021
To reduce energy and resource consumption, high-strength hot-rolled rebars with yield strengths of ≥400 MPa (HRB500) and ≥500 MPa (HRB600) have been designed and produced in recent years.
Liushun Wu, Kunlong Liu, Yun Zhou
doaj   +1 more source

Nonclassical Austenite-Martensite Interfaces [PDF]

open access: yesLe Journal de Physique IV, 1997
In the last 10 years a new theory of martensitic transformations based on nonlinear elasticity has been developed and intensively studied by J.M. Ball & R.D. James and others. Microstructures are understood in the theory as minimizing sequences for the total free energy, and are conveniently described using Young measures. For the case of the classical
Ball, J, Carstensen, C
openaire   +4 more sources

On Temperature Dependence of Microstructure, Deformation Mechanisms and Tensile Properties in Austenitic Cr-Mn Steel with Ultrahigh Interstitial Content C + N = 1.9 Mass.%

open access: yesMetals, 2020
The microstructure, deformation mechanisms, tensile properties and fracture micromechanisms of ultrahigh-interstitial austenitic Fe-22Cr-26Mn-1.3V-0.7C-1.2N (mass.%) steel were investigated in wide temperature interval.
Elena Astafurova   +8 more
doaj   +1 more source

Decomposition of Austenite in Austenitic Stainless Steels

open access: yesISIJ International, 2002
Austenitic stainless steels are probably the most important class of corrosion resistant metallic materials. In order to attain their good corrosion properties they rely essentially on two factors: a high chromium content that is responsible for the protective oxide film layer and a high nickel content that is responsible for the steel to remain ...
A. F. Padilha, P. R. Rios
openaire   +2 more sources

Phase transformations of austenitic stainless modified steels [PDF]

open access: yesМеталознавство та обробка металів, 2019
The results of the study by multiple regression analysis of the effect of additional alloying with cerium, vanadium, copper and boron on the start and finish temperature of the α → γ phase transformation, the content of ferrite and austenite in the ...
Aftandiliants Yevhen.G.
doaj   +1 more source

Austenite grain growth in alumina-forming austenitic steel – CORRIGENDUM [PDF]

open access: yesJournal of Materials Research, 2016
In the original publication of “Austenite grain growth in alumina-forming austenitic steel,” the legends for the optical micrographs were missing for Fig. 2 and Fig. 3(a-h). The following are the corrected figures:
Qiuzhi Gao   +3 more
openaire   +1 more source

Investigation on austenite transformation in continuously cast steel based on dilatometry and the phase fraction model

open access: yes工程科学学报, 2015
To understand the knowledge of liner thermal expansion and thermal expansion coefficient of Q450NQR1 casting steel, dilatometry experiments were performed at two different cooling rates of 5℃·min-1 and 20℃·min-1.
LONG Mu-jun   +5 more
doaj   +1 more source

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