Results 11 to 20 of about 336 (141)

Study on Austenitization Kinetics of SA508 Gr.3 Steel Based on Isoconversional Method

open access: yesMetals, 2015
The austenitization kinetics of SA508 Gr.3 steel during heating was studied using the isoconversional method combined with continuous thermal dilatometric tests for the first time.
Xiaomeng Luo, Lizhan Han, Jianfeng Gu
doaj   +1 more source

Austenitization and formation of ausferrite structure in austempered ductile iron with dual matrix

open access: yesMaterials Research Express, 2022
The effect of austenitizing conditions on the microstructure and mechanical properties of an austempered ductile iron (ADI) with a dual matrix was investigated. Carbon diffusion plays a critical role in the phase transformation of austenitization.
Hoang Anh Tuan   +4 more
doaj   +1 more source

Study of the Effect of Quenching and Tempering Modes on the Strength Level of Alloyed Structural Steels Used to Produce Fasteners

open access: yesMetals, 2022
The development of high-strength fasteners is required due to the modern trend of reducing the weight of engineering structures. At present, structural bolts of property classes 8.8–10.9 are widely used, and higher-strength bolts of property classes 12.9
Alexander Zaitsev   +6 more
doaj   +1 more source

Optimasi Parameter Quenching dan Tempering pada HRP Steel Lokal sebagai Baja Armor Nasional

open access: yesRekayasa Mesin, 2018
Armor steel is a high strength and hardness steel that used to protect against damage by an object, individual or vehicle from the direct pressure of projectile.
Yurianto Yurianto   +2 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

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

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

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

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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