Effect of partitioning time on one-step quenching and partitioning steel
نویسندگان
چکیده
The microstructure and mechanical properties of one-step quenching partitioning (Q&P) steel with different time were analyzed. results shows that the elongation rate rises, tensile strength decreases, yield first declines then increases increasing (PT). An optimal combination ductility is obtained when samples are partitioned at 2000 s, corresponding strength, elongation, product 1022 MPa, 25.1% 25652 MPa•%, respectively. Besides, no cementite found in microstructures.
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Certain amount of retained austenite can increase ductility of steels because of the TRIP phenomenon during plastic deformation. One method for achieving this is partitioning of carbon into austenite to stabilize it at room temperature. The quenching and partitioning (Q&P) heat treatment leads to a microstructure consisting of martensite and stabilized retained austenite between martensite plat...
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ژورنال
عنوان ژورنال: Journal of physics
سال: 2022
ISSN: ['0022-3700', '1747-3721', '0368-3508', '1747-3713']
DOI: https://doi.org/10.1088/1742-6596/2368/1/012024