Zobrazeno 1 - 10
of 126
pro vyhledávání: '"Erhard Schafler"'
Publikováno v:
Materials & Design, Vol 244, Iss , Pp 113113- (2024)
Disk of a Cu38Zr54Al8 bulk metallic glass was subjected to severe plastic deformation by high pressure torsion up to 25 revolutions. X-ray diffraction was utilized to investigate the microstructure of the deformed sample, while the thermal behavior o
Externí odkaz:
https://doaj.org/article/7431690e03754d6c831e173c338c6cc7
Autor:
Lukas Schweiger, Daniel Kiener, Michael Burtscher, Erhard Schafler, Gregor Mori, Florian Spieckermann, Jürgen Eckert
Publikováno v:
Materials Today Advances, Vol 20, Iss , Pp 100433- (2023)
In order to develop materials for energy storage, a bulk nanocomposite with a composition of FeTi-25 vol% Cu was prepared by high-pressure torsion, with FeTi as functional phase for hydrogen storage and Cu as ductile phase to improve the processabili
Externí odkaz:
https://doaj.org/article/3af837ce1e1540aabc21a0b2301ce4c1
Autor:
Florian Spieckermann, Daniel Şopu, Viktor Soprunyuk, Michael B. Kerber, Jozef Bednarčík, Alexander Schökel, Amir Rezvan, Sergey Ketov, Baran Sarac, Erhard Schafler, Jürgen Eckert
Publikováno v:
Nature Communications, Vol 13, Iss 1, Pp 1-9 (2022)
Understanding of the atomic-scale mechanisms of rejuvenation of bulk metallic glass still remains unclear. Here, using configurational entropy derived from X-ray experiments, authors show a clear picture of the relaxation process during annealing of
Externí odkaz:
https://doaj.org/article/bd4d8b69a279459686359d132420d971
Autor:
Reinhard Kaindl, Tushar Gupta, Alexander Blümel, Songfeng Pei, Peng-Xiang Hou, Jinhong Du, Chang Liu, Paul Patter, Karl Popovic, David Dergez, Kenan Elibol, Erhard Schafler, Johan Liu, Dominik Eder, Dietmar Kieslinger, Wencai Ren, Paul Hartmann, Wolfgang Waldhauser, Bernhard C. Bayer
Publikováno v:
ACS Omega, Vol 6, Iss 50, Pp 34301-34313 (2021)
Externí odkaz:
https://doaj.org/article/7f6ac5adcd164755a7ad60b24928b643
Autor:
Ádám Révész, Marcell Gajdics, Miratul Alifah, Viktória Kovács Kis, Erhard Schafler, Lajos Károly Varga, Stanislava Todorova, Tony Spassov, Marcello Baricco
Publikováno v:
Energies, Vol 15, Iss 15, p 5710 (2022)
A Mg65Ni20Cu5Y10 metallic glass was produced by melt spinning and was mixed with a 5 wt.% multiwall carbon nanotube additive in a high-energy ball mill. Subsequently, the composite mixture was exposed to high-pressure torsion deformation with differe
Externí odkaz:
https://doaj.org/article/48281c79c3404728be7837ee2a61916b
Autor:
Andrea Mizelli-Ojdanic, Jelena Horky, Bernhard Mingler, Mattia Fanetti, Sandra Gardonio, Matjaz Valant, Bartosz Sulkowski, Erhard Schafler, Dmytro Orlov, Michael J. Zehetbauer
Publikováno v:
Materials, Vol 14, Iss 21, p 6399 (2021)
In this study, several biodegradable Mg alloys (Mg5Zn, Mg5Zn0.3Ca, Mg5Zn0.15Ca, and Mg5Zn0.15Ca0.15Zr, numbers in wt%) were investigated after thermomechanical processing via high-pressure torsion (HPT) at elevated temperature as well as after additi
Externí odkaz:
https://doaj.org/article/34bb22de690a47798ad239b7de2724de
Autor:
Andrea Ojdanic, Jelena Horky, Bernhard Mingler, Mattia Fanetti, Sandra Gardonio, Matjaz Valant, Bartosz Sulkowski, Erhard Schafler, Dmytro Orlov, Michael J. Zehetbauer
Publikováno v:
Metals, Vol 10, Iss 8, p 1064 (2020)
In this study, five MgZnCa alloys with low alloy content and high biocorrosion resistance were investigated during thermomechanical processing. As documented by microhardness and tensile tests, high pressure torsion (HPT)-processing and subsequent he
Externí odkaz:
https://doaj.org/article/7322b55944db41e9a45b083cd9d4f010
Autor:
Marcell Gajdics, Tony Spassov, Viktória Kovács Kis, Ferenc Béke, Zoltán Novák, Erhard Schafler, Ádám Révész
Publikováno v:
Energies, Vol 13, Iss 3, p 563 (2020)
A high-energy ball milling and subsequent high-pressure torsion method was applied to synthesize nanocrystalline magnesium samples catalyzed by TiO2 or titanate nanotubes. The microstructure of the as-milled powders and the torqued bulk disks was cha
Externí odkaz:
https://doaj.org/article/80d4ec9c35e44702a2de7f6f3c92d141
Autor:
Michael Kerber, Florian Spieckermann, Roman Schuster, Bertalan Joni, Norbert Schell, Erhard Schafler
Publikováno v:
Crystals, Vol 9, Iss 5, p 232 (2019)
The presence of hydrostatic pressure is a general crucial characteristic of severe plastic deformation methods for reaching high strains and for introducing large quantities of lattice defects, which are necessary to establish new grain boundaries. I
Externí odkaz:
https://doaj.org/article/4ecb7178506e4055a8dfcc25df9ae4ea
Publikováno v:
J THERM ANAL CALORIM JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY.
Bulk metallic glass of Cu38Zr54Al8 nominal composition was synthesized by copper mold casting into 6 mm diameter rods. Disks of the as-cast glass were subjected to severe plastic deformation by high-pressure torsion for different number of revolution