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Press Hardening of High-Carbon Low-Density Steels. [PDF]
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Mechanical Properties of Intercritically Annealed X80 Line Pipe Steels
Metallurgical and Materials Transactions A, 2021Microalloyed low-carbon steels are used for line pipe applications as they combine high strength and acceptable fracture toughness with good weldability. During multi-pass welding, the strength and impact toughness of the material in the heat-affected zone (HAZ) is potentially degraded, in particular the regions where the thermal fields from multi-pass
Madhumanti Mandal +3 more
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Austenite formation during intercritical annealing
Metallurgical and Materials Transactions A, 2004A systematic experimental study has been conducted on ferrite recrystallization and intercritical austenite formation for two low-carbon steels with chemical compositions typically used for dual-phase and transformation-induced plasticity (TRIP) steels.
J. Huang, W. J. Poole, M. Militzer
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Retained austenite in intercritically annealed HSLA steel
Metallography, 1987Abstract The effects of processing parameters on austenite retention in intercritically annealed HSLA steels have been investigated. Low-temperature tempering was found to be necessary for successful tint etch of high-carbon martensite in dual-phase structure with sodium metabisulfite.
Q.Y. Long, D. Tseng, K. Tangri
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Excess Carbon Enrichment in Austenite During Intercritical Annealing
Metallurgical and Materials Transactions A, 2013Carbon enrichment in the austenite transformed from martensite during intercritical annealing was measured by electron probe microanalyzer and three-dimensional atom probe microscopy in Fe-2Mn-0.3C and Fe-0.35C alloys. At early stages of the transformation, negligible Mn partitioning occurs, and carbon content in austenite is higher than ...
Zhen-Qing Liu +3 more
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Dilatometric Analysis of Austenite Formation during Intercritical Annealing
Metals and Materials International, 2008Dilatometry is a useful method to investigate the transformation kinetics of ferrous alloys. In the present study, a dilatometric analysis procedure that considers the effect of non-isotropic volume change was applied to evaluate the kinetics of austenite formation during the intercritical annealing of TRIP steels. Metallographic analysis was conducted
Suh, DW, Chang-Seok Oh, Sung-Joon Kim
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Recrystallisation at Intercritical Annealing in Low Carbon Steels
Materials Science Forum, 2007Subgrain growth in deformed ferrite and incomplete recrystallisation during intercritical annealing in low carbon (LC) steels was investigated by EBSD and FEGTEM/EDS. It was confirmed that fine dual phase (α+γ) microstructures could be obtained even without the addition of microalloying elements such as Nb and Ti, if the steels were heated above Ac1 ...
Naoki Maruyama, T. Ogawa, M. Takahashi
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Ferrite-Martensite Band Formation During the Intercritical Annealing
Journal of Materials Engineering and Performance, 2015Microstructural evolution during the intercritical annealing at 740 and 770 °C for 120-900 s in a low-carbon low-alloy steel from the initial martensitic matrix was studied by electron microscopy equipped with energy dispersive x-ray spectroscopy and x-ray diffraction.
S. A. Etesami, M. H. Enayati
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Simulation of intercritical annealing in low-alloy TRIP steels
Steel Research, 2000A coupled thermodynamic/kinetic calculation of austenite formation during intercritical annealing of low-alloy TRIP steels is presented. The simulation was performed with the use of Dictra computational kinetics software, which employs a procedure for the numerical solution of the coupled diffusion equations involved, as well as mobility databases for ...
Anthony I. Katsamas +2 more
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Microstructural characterization of intercritically annealed low alloy PM steels
Materials & Design, 2007In this study, the applicability of intercritical annealing heat treatment, which is usually practiced to high strength low alloy ingot steels (HSLA), to low alloy powder metallurgy (PM) processed steels was investigated. With this heat treatment, it was intended to produce a dual-phase steel structure (ferrite + martensite) in PM steel.
Tekeli, SÜLEYMAN, Gural, AHMET
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