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Meeting MS&T21: Materials Science & Technology
Symposium New Frontiers in Physical Metallurgy of Steels
Presentation Title Obtaining High Strength Ductility Combination by Quenching and Partitioning of Rolled Low Carbon Steel Sheet
Author(s) Alok Kumar Singh, Basudev Bhattacharya, Somjeet Biswas
On-Site Speaker (Planned) Alok Kumar Singh
Abstract Scope A rolled low carbon steel sheet (C < 0.06%, Mn < 2.0%, Si < 0.5% and Cr < 1.0%) was subjected to two-step heat treatment: (i) Quenching (Q)- austenitizing at 840°C for 1 hour and water quenching followed by Partitioning (P), and (ii) P- microstructure homogenization at below intercritical temperature at 600°C for 15 minutes and followed by water quenching. Dual-phase microstructure of ferrite- 35% martensite island morphology was obtained with moderate strength of 540 MPa with very high ductility. The enhanced ductility could be associated with the presence of CSL boundaries, transformation induced plasticity due to retained austenite.

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

Austenite Decomposition during Hot-strip Rolling of Microalloyed Low-carbon Steel
Austenite Decomposition in the Coarse Grain Heat Affected Zone of X80 Line Pipe Steel
Improving the Fatigue Performance of Nitrided Steels with Amorphous and Crystalline Precipitates
Microstructural Engineering and Accelerated Test Method Development to Achieve Low Cost, High Performance Solutions for Hydrogen Storage and Delivery
Microstructural Modeling and Design in Triple Nano-precipitate Strengthened Austenitic Steel
Microstructure and Toughness Correlation in High Strength Q&T Boron Steels Microalloyed with Nb and Mo
Nano-precipitation and Resultant Surface Hardening by Nitriding of Ferrous Alloys
Nanoscale Investigation of Austenite/ferrite Interfaces in Medium Carbon Fe-Mn-C Steels at Different Inter-critical Temperatures
New Approach to Producing High Alloy Steels
Obtaining High Strength Ductility Combination by Quenching and Partitioning of Rolled Low Carbon Steel Sheet
Relationship between Fatigue Strength and Microstructure of Carburized Steel Tempered at Different Temperature
Simulation of the Nitriding and Ferritic Nitrocarburizing (FNC) Processes
Tribological Characterization of Silicon Stainless Steel Alloys

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