Quench Temperature-Dependent Mechanical Properties During Nonisothermal Partitioning

Bansal, G K and Jena, P S M and Ghosh, C and Srivastava, V C and Rajnikanth, V and Dutta, Monojit and Ghosh Chowdhury, S (2020) Quench Temperature-Dependent Mechanical Properties During Nonisothermal Partitioning. Metallurgical and Materials Transactions A, 51A (IF-2.050). pp. 5088-5100.

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The present study demonstrates the role of hot rolling and quench temperature in determining the mechanical properties of low alloy steel processed through quenching and nonisothermal partitioning (Q&P) route. The results indicate that the abrasive wear resistance does not show any significant variation with quench temperature. However, a reduction in tensile strength and an increase in charpy impact toughness and elongation is observed with increasing quench temperature. Interestingly, the retained austenite shows high thermal stability at sub-zero temperature. Furthermore, during deformation through the wear process, the retained austenite experiences the TRIP effect that leads to improvement in wear resistance. The incorporation of hot rolling prior to Q&P led to a significant improvement in strength, energy absorption capability and wear resistance due to a considerable refinement of the microstructural constituents.

Item Type:Article
Official URL/DOI:https://www.springer.com/journal/11661
Uncontrolled Keywords:hot rolling; quench temperature; low alloy steel
Divisions:Metal Extraction and Forming
ID Code:8226
Deposited By:Dr. A K Sahu
Deposited On:09 Sep 2020 12:59
Last Modified:09 Sep 2020 12:59
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