Zobrazeno 1 - 10
of 76
pro vyhledávání: '"David Vokoun"'
Publikováno v:
Materials, Vol 17, Iss 7, p 1674 (2024)
Fe-~30 at.%Pd is a ferromagnetic shape memory alloy (SMA) with a reversible thermoelastic fcc-fct phase transformation. The advantage of adding a small amount of Indium to Fe-Pd SMAs is, among other things, the upward shift of the transformation temp
Externí odkaz:
https://doaj.org/article/9a54a6241b604a3bb5916c1c0290786b
Publikováno v:
Acta Polytechnica CTU Proceedings, Vol 27, Iss 0, Pp 1-5 (2020)
The thermomechanical processing by equal-channel angular pressing (ECAP) is used for certain metals and alloys in order to make their structure fine and to increase material strength. In the previous study done at our institute, grade 2 titanium was
Externí odkaz:
https://doaj.org/article/0d59dbd4cdfe46c5a9e26eadbf46c0d4
Publikováno v:
Sensors, Vol 23, Iss 3, p 1488 (2023)
Nafion possesses many interesting properties such as a high ion-conductivity, hydrophilicity, and thermal and chemical stability that make this material highly suitable for many applications including fuel cells and various (bio-)chemical and physica
Externí odkaz:
https://doaj.org/article/2f8a6f083f9349e3a3b6e2224fa6babb
Publikováno v:
Applied Sciences, Vol 13, Iss 2, p 1016 (2023)
The physical, thermal, structural, and mechanical properties of poly(methyl methacrylate) PMMA foils cast from solutions of toluene were investigated by differential scanning calorimetry, optical microscope, Fourier infrared spectroscopy, and dynamic
Externí odkaz:
https://doaj.org/article/4fa0b7dbbe0841b6bdb5f4000a832a0c
Publikováno v:
Polymers, Vol 14, Iss 14, p 2932 (2022)
Both poly(methyl methacrylate) (PMMA) and NiTi possess shape memory and biocompatibility behavior. The macroscale properties of PMMA–NiTi composites depend immensely on the quality of the interaction between two components. NiTi shape memory alloy
Externí odkaz:
https://doaj.org/article/ee70ebf823f74c35b68e4f6de44f8f37
Publikováno v:
Magnetochemistry, Vol 8, Iss 4, p 42 (2022)
Magnetic force microscopy (MFM) enables to characterize magnetic properties with submicron (nanoscale) resolution and without much demand on sample surface preparation. MFM can operate in a wide range of temperatures and environmental conditions, tha
Externí odkaz:
https://doaj.org/article/44d43c644bfb4e75bf628906e030b752
Publikováno v:
Actuators, Vol 10, Iss 10, p 248 (2021)
In this work, a helical ionic polymer metal composite (IPMC) was fabricated by thermal treatment in a mold with helix grooves. The axial actuation behaviors of the helical IPMC actuator were observed, and the electromechanical and electrochemical cha
Externí odkaz:
https://doaj.org/article/9f434e9599d447f2b7dc2a8dc1ffd4a7
Publikováno v:
Metals, Vol 11, Iss 6, p 909 (2021)
Velcro hook-and-loop fasteners invented more than 70 years ago are examples of the mechanism inspired by the tiny hooks found on the surface of burs of a plant commonly known as burdock. Several years ago, a novel Velcro-like fastener made of two arr
Externí odkaz:
https://doaj.org/article/a1c12227cf874345848dc2630b648b65
Publikováno v:
Applied Bionics and Biomechanics, Vol 2018 (2018)
Externí odkaz:
https://doaj.org/article/ae429d79747d4298a464c1a9044d36f1
Autor:
Jan Maňák, David Vokoun
Publikováno v:
Materials, Vol 11, Iss 8, p 1434 (2018)
In the present study, in situ microbending experiments on magnesium single crystalline microcantilevers are presented. Microcantilevers with pentagonal cross-section were fabricated by focus ion beam. Two basic crystallographic orientations of the mi
Externí odkaz:
https://doaj.org/article/12ed2a8c93cb40c2b37d37d89b46471d