Results 31 to 40 of about 6,994 (255)

Heat Treatment and Austenitization Temperature Effect on Microstructure and Impact Toughness of an Ultra-High Strength Steel

open access: yesMetals, 2021
Heat treatment parameters were varied to determine the effect of normalizing and austenitizing temperature on the properties of an ultra-high strength wrought steel.
D. Field   +5 more
semanticscholar   +1 more source

Effect of cooling modes after austenitization on stabilities of microstructure and hardness of P92 steel aged at 650℃

open access: yesCailiao gongcheng, 2019
The stabilities of microstructures and hardness of P92 steel samples austenitized at 1060℃ for 1h followed by air cooling (AC)/slow cooling (SC) and tempered at 760℃ for 2h and then aged at 650℃ for 1000h/3000h were studied by SEM-SE/BSE,EDS and ...
ZHONG Jiao   +5 more
doaj   +1 more source

Investigating the Effect of Intercritical Annealing Heat Treatment on the Quenching and Partitioning of Ferrite-Bainite-Martensite Microphases in High-Silicon Low-Alloy DIN 1.5025 Steel [PDF]

open access: yesمواد نوین, 2023
In this study, the influence of intercritical annealing heat treatment on the quenching and partitioning (Q&P) of ferrite-bainite-martensite multiphase in high-silicon low-alloy DIN 1.5025 steel was investigated. Initially, a normalization heat treatment
Shima Pashangeh   +2 more
doaj   +1 more source

Prediction of the Non-Isothermal Austenitization Kinetics of Fe-C-Cr Low Alloy Steels with Lamellar Pearlite Microstructure

open access: yes, 2022
The austenitization of low alloy steels during rapid heating processes was involved in many kinds of advanced heat treatment technologies. Most of the previous research on the austenitization kinetics was focused on the spherical pearlite microstructures,
Guangjie Xiong   +5 more
core   +1 more source

A study on the influence of austenitization temperature on the mechanical, thermal, and structural properties of 51CrV4 steel [PDF]

open access: yesTehnika
In this paper, emphasis is placed on studying the influence of quenching temperature (austenitization) on the mechanical, thermal, and structural properties of 51CrV4 chrome-vanadium steel.
Stamenković Uroš S.   +3 more
doaj   +1 more source

Progress in effect of alloying element partition on thermodynamics and kinetics of pearlite transformation and its austenitization

open access: yesCailiao gongcheng, 2020
Pearlite transformation and its re-austenitization process, which involve triple phases and dual phase interfaces, have been considered difficult phase transformation processes.
YANG Ze-nan   +8 more
doaj   +1 more source

Carbon content evolution in austenite during austenitization studied by in situ synchrotron X-ray diffraction of a hypoeutectoid steel

open access: yes, 2020
Using in situ high energy X-ray diffraction study of austenite formation in hypoeutectoid steel with three different initial microstructures (ferrite-pearlite, tempered martensite and bainite), the lattice parameters of ferrite, cementite and austenite ...
B. Denand   +6 more
semanticscholar   +1 more source

Numerical analysis on the austenite reverse transformation of medium manganese steel in intercritical annealing

open access: yes工程科学学报, 2015
According to the hot-rolled microstructure of medium manganese steel,a geometry model and initial conditions of intercritical austenitization were established,and the DICTRA dynamic analysis software was used to calculate the austenitization on the ...
KUANG Shuang   +3 more
doaj   +1 more source

An innovative pathway to produce high-performance quenching and partitioning steel through ultra-fast full austenitization annealing

open access: yes, 2020
Quenching and partitioning (Q&P) treatment was conducted on a cold-rolled low-carbon steel using a quenching dilatometer. A novel phase-transformation pathway to produce high-performance Q&P steel by introducing fast-heating full austenitization ...
J. Dai, Q. Meng, Hongxing Zheng
semanticscholar   +1 more source

Predicted hardness of Austempered Vermicular Graphite Iron [PDF]

open access: yesArchives of Foundry Engineering
The aim of this study was to determine the hardness of vermicular cast iron subjected to austempering, depending on the parameters of the heat treatment process. The heat treatment was conducted based on orthogonal experimental design, with a total of 27
A. Jakubus, M.S. Soiński, P. Mierzwa
doaj   +1 more source

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