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Micro- and nanostructure characterization and imaging of twip and unalloyed steels

: Batista, Leonardo; Rabe, Ute; Hirsekorn, Sigrun


Thompson, D.O. ; American Institute of Physics -AIP-, New York:
Review of progress in quantitative nondestructive evaluation. Vol.31. Pt.B : 38th Annual Review of Progress in Quantitative Nondestructive Evaluation, University of Vermont, Burlington, VT, U.S.A, July 17-22, 2011
Woodbury, NY: AIP Press, 2012 (AIP Conference Proceedings 1430)
ISBN: 978-0-7354-1015-2
ISBN: 978-0-7354-1013-8
Annual Review of Progress in Quantitative Nondestructive Evaluation (QNDE) <38, 2011, Burlington/Vt.>
Fraunhofer IZFP ()
atomic force acoustic microscopy; imaging; magnetic force microscopy

New design concepts for constructing light-weight and crash resistant transportation systems require the development of high strength and supra-ductile steels with enhanced energy absorption and reduced specific weight. TWIP steels combine these properties, a consequence of intensive mechanical twinning. To understand the mechanisms, related microstructures and local material properties are probed by AFAM, nanoindentation, and EBSD. The morphology of a cementite phase controls the macroscopic mechanical and magnetic properties of steels. Cementite embedded in a ferrite matrix is characterized by AFAM and MFM.