Arif, S M and Ghorai, S and Bar, H N and Mandal, D (2022) Effect of quenching and partitioning time on microstructure and mechanical properties of low carbon micro-alloyed steel. In: Symposium on Failure and Preventive Maintenance of Machineries (FPMM), March 08-09, 2022, Durgapur, India.
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In this present study, quenching and partitioning (Q&P) process was applied to rolled low carbon microalloyed steels. The Effect of partitioning time after quenching below martensite start temperature (Ms) on microstructure and mechanical properties is investigated. The resulting microstructure was investigated by using optical microscopy, Scanning Electron microscopy and X-ray diffraction techniques. The mechanical properties are evaluated. The microstructure consists of lath martensite, temper- martensite and retained austenite. The retained austenite is identified by XRD analysis. The tensile strength of Q&P processed steel significantly increases than rolled sample, but ductility decreases. The quenching below Ms temperature and portioning for 10 min shows a good strength and ductility combination. Copyright (c) 2022 Elsevier Ltd. All rights reserved. Selection and peer-review under responsibility of the scientific committee of the Symposium on Failure and Preventive Maintenance of Machineries 2022.
|Item Type:||Conference or Workshop Item (Paper)|
|Uncontrolled Keywords:||Low carbon, micro-alloyed steels, quenching & partitioning, microstructure, mechanical properties, martensite, austenite|
|Divisions:||Material Science and Technology|
|Deposited By:||Dr Mita Tarafder|
|Deposited On:||07 Dec 2022 11:08|
|Last Modified:||07 Dec 2022 11:08|
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