Effects of Strain Rate on Tensile Deformation Behavior of Quenching and Partitioning Steel

Effects of Strain Rate on Tensile Deformation Behavior of Quenching and Partitioning Steel

The effects of strain rate on the tensile deformation behavior of quenching and partitioning (Q&P) steel applied to the auto industry were investigated. The results indicated that the strength of Q&P steel raised with increasing strain rate. The variation of elongation which presented the tr...

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Veröffentlicht in:Materials science forum 2013-03, Vol.749, p.401-406
Hauptverfasser: Liu, Yang, Wang, Lei, Liu, Chao
Format: Artikel
Sprache:eng
Schlagworte:
Automotive engineering
Partitioning
Quadratic programming
Quenching
Steels
Strain rate
Tensile deformation
Transformations
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Zusammenfassung:The effects of strain rate on the tensile deformation behavior of quenching and partitioning (Q&P) steel applied to the auto industry were investigated. The results indicated that the strength of Q&P steel raised with increasing strain rate. The variation of elongation which presented the trend of declining (10-4 s-1~101 s-1) followed by rising to the peak (8×101 s-1) then falling again (102 s-1~103 s-1), is mainly caused by the transformation from retained austenite to martensite, namely the TRIP effect.
ISSN:0255-5476
1662-9752
1662-9752
DOI:10.4028/www.scientific.net/MSF.749.401