ISSN 2594-5327
76th ABM Annual Congress - International — Vol. 76, Num. 76 (2023)
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Abstract
This study investigates the phase transformations and microstructural development of SAE 9254 steel subjected to various heat treatments aimed at achieving a combination of bainitic, martensitic, and retained austenitic phases. The critical austenitization and quenching temperatures, along with the holding times, were determined using a dilatometer to observe the steel's phase transformation behavior. An austenitization temperature of 850°C with a holding time of 180 seconds and a quenching temperature of 220°C were established. Two isothermal holding temperatures at 325°C and 375°C, with holding times of 30 and 15 minutes respectively, were chosen for the partitioning process after quenching.
This study investigates the phase transformations and microstructural development of SAE 9254 steel subjected to various heat treatments aimed at achieving a combination of bainitic, martensitic, and retained austenitic phases. The critical austenitization and quenching temperatures, along with the holding times, were determined using a dilatometer to observe the steel's phase transformation behavior. An austenitization temperature of 850°C with a holding time of 180 seconds and a quenching temperature of 220°C were established. Two isothermal holding temperatures at 325°C and 375°C, with holding times of 30 and 15 minutes respectively, were chosen for the partitioning process after quenching.
Keywords
AISI 9254, Phase transformation, XRD, retained austennite
AISI 9254, Phase transformation, XRD, retained austennite
How to cite
Masoumi, Mohammad; Tressia, Gustavo; Dany Centeno; Cezario, Fabiano Eduardo Marques; Carvalho, Felipe Moreno.
TAILORING PHASE TRANSFORMATIONS IN SAE 9254 STEEL: A DILATOMETRY-BASED STUDY ON AUSTENITIZATION, QUENCHING, AND CARBON PARTITIONING PROCESSES,
p. 3442-3455.
In: 76th ABM Annual Congress - International,
São Paulo,
2023.
ISSN: 2594-5327, DOI 10.5151/2594-5327-39937
