Papers by Author: L. Pentti Karjalainen

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Authors: Mahesh C. Somani, L. Pentti Karjalainen

Abstract: In recent past, a linear regression model to predict the activation energy (Qrex) and kinetics of static recrystallisation for hot-deformed...

751
Authors: L. Pentti Karjalainen, Mahesh C. Somani, Atef S. Hamada

Abstract: Processing of a large number of novel steel types, such as DP, TRIP, CP and TWIP, and high-strength low-carbon bainitic and martensitic...

1002
Authors: Atef S. Hamada, L. Pentti Karjalainen, Mahesh C. Somani, R.M. Ramadan

Abstract: The hot deformation behaviour of two high-Mn (23-24 wt-%) TWIP steels containing 6 and 8 wt-% Al with the fully austenitic and duplex...

217
Authors: Mahesh C. Somani, Henri Tervonen, L. Pentti Karjalainen, David A. Porter

Abstract: In this study, the constitutive flow behavior and static recrystallization characteristics of a Nb-microalloyed TWIP (Fe-20Mn-1.5Al-0.1Nb)...

195
Authors: Mahesh C. Somani, L. Pentti Karjalainen, David A. Porter, R.D.K. Misra

Abstract: An experimental steel containing in weight % 0.2C-2.0Mn-1.5Si-0.6Cr has been laboratory hot rolled, direct quenched into the Ms -...

2824
Authors: J. Uusitalo, L. Pentti Karjalainen, Delphine Retraint, M. Palosaari

Abstract: Severely deformed surface layers have been created by ultrasonic attrition technique on four steel sheets to investigate their influence on...

239
Authors: F. de las Cuevas, Mónica Reis, A. Ferraiuolo, G. Pratolongo, L. Pentti Karjalainen, Jon Alkorta, J. Gil Sevillano

Abstract: The grain size dependence of the tensile properties of a TWIP steel has been determined for a wide range of grain sizes obtained by grain...

147
Authors: L. Pentti Karjalainen, H. Kinnunen, D. Porter
477
Authors: Mahesh C. Somani, David A. Porter, L. Pentti Karjalainen, Pasi Suikkanen, R.D.K. Misra

Abstract: Based on the recent concept of quenching and partitioning (Q&P), a novel TMR-DQP (thermomechanical rolling followed by direct quenching...

1009
Authors: F. de las Cuevas, Mónica Reis, A. Ferraiuolo, G. Pratolongo, L. Pentti Karjalainen, V. García Navas, J. Gil Sevillano

Abstract: Hot rolled, laboratory-cast, TWIP steel samples (5.4 mm thick) of 22% Mn - 0.6% C (in mass-%) were cold rolled to different reductions (from...

153
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