Investigation of hierarchical precipitation on bimodal-grained austenite and mechanical properties in quenching-partitioning-tempering steel

The influence of the hierarchical nanometer-sized precipitates (NPs) on the microstructure evolution and mechanical properties of ultra-low carbon medium manganese quenching-partitioning-tempering (QPT) steel was studied. A unique combination of hierarchical NPs including lenticular Cu/Ni precipitat...

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Veröffentlicht in:	Materials science & engineering. A, Structural materials : properties, microstructure and processing Structural materials : properties, microstructure and processing, 2020-04, Vol.781, p.1-10, Article 139207
Hauptverfasser:	Li, Yu, Li, Wei, Xu, Chun, Min, Na, Liu, Wenqing, Liu, Huibin, Jin, Xuejun
Format:	Artikel
Sprache:	eng
Schlagworte:	Austenite Chemical precipitation Copper Cracks Elongation Grain boundaries Grain growth Heat treating Hierarchical precipitates Impact strength Manganese Mechanical properties Nickel aluminides Nickel base alloys Nickel compounds Partitioning Precipitates QPT steel Quenching Stability Strain hardening Stress concentration Tempering Toughness TRIP effect
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