Markus Kratzer
(Institute of Physics, Montanuniversitaet Leoben, Franz-Josef-Str. 18, A-8700 Leoben, Austria)
High-performance and sustainable technologies call for novel light-weight high-temperature structural materials as gamma-TiAl-based alloys, which – in terms of weight – clearly outperform classical Ni based alloys. The typical research focus lies on their mechanical properties. However, in order to correctly interpret electrical materials testing techniques also their electrical behavior is important. Here, local-probe techniques, like conductive atomic force microscopy (CAFM) and micro four-point probe (µ4PP) measurements, were used to determine the specific resistivity of the constituent phases of a technical Ti-43.5Al-4Nb-1Mo-0.1B (at%) gamma-TiAl based alloy. The different phases exhibit noticeably different resistivity values varying over two orders of magnitude.
Markus Kratzer
(Institute of Physics, Montanuniversitaet Leoben, Franz-Josef-Str. 18, A-8700 Leoben, Austria)
Mr
Michael Huszar
(Institute of Physics, Montanuniversitaet Leoben, Franz-Josef-Str. 18, A-8700 Leoben, Austria)
Ms
Lisa Tengg
(Department of Materials Science, Montanuniversitaet Leoben, Franz-Josef-Str. 18, A-8700 Leoben, Austria)
Mr
Thomas Billovits
(Institute of Structural and Functional Ceramics, Montanuniversitaet Leoben, Peter-Tunner-Str. 5, A-8700 Leoben, Austria)
Dr
Benjamin Kaufmann
(Institute of Structural and Functional Ceramics, Montanuniversitaet Leoben, Peter-Tunner-Str. 5, A-8700 Leoben, Austria)
Prof.
Peter Supancic
(Institute of Structural and Functional Ceramics, Montanuniversitaet Leoben, Peter-Tunner-Str. 5, A-8700 Leoben, Austria)
Prof.
Helmut Clemens
(Department of Materials Science, Montanuniversitaet Leoben, Franz-Josef-Str. 18, A-8700 Leoben, Austria)
Dr
Svea Mayer
(Department of Materials Science, Montanuniversitaet Leoben, Franz-Josef-Str. 18, A-8700 Leoben, Austria)
Prof.
Christian Teichert
(Institute of Physics, Montanuniversitaet Leoben, Franz-Josef-Str. 18, A-8700 Leoben, Austria)
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