Modulated martensite in NiTi shape memory alloy exposed to high stress at high temperatures

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378271%3A_____%2F23%3A00574352" target="_blank" >RIV/68378271:_____/23:00574352 - isvavai.cz</a>
Result on the web
<a href="https://doi.org/10.1016/j.actamat.2023.119250" target="_blank" >https://doi.org/10.1016/j.actamat.2023.119250</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/j.actamat.2023.119250" target="_blank" >10.1016/j.actamat.2023.119250</a>

Result language
angličtina
Original language name
Modulated martensite in NiTi shape memory alloy exposed to high stress at high temperatures
Original language description
NiTi shape memory wire was deformed in martensite state at low temperature −125 °C up to 750 MPa stress and subsequently heated far above the Af temperature while the stress 750 MPa was held constant. Under such conditions, the heated B19’ martensite in the wire was driven towards its thermomechanical stability limits and eventually transformed into plastically deformed austenite. In order to evaluate the mechanism by which such highly constrained reverse martensitic transformation proceeds, martensite variant microstructures and lattice defects evolving in the heated wire were analyzed by TEM and HRTEM.
Czech name
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Czech description
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Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10302 - Condensed matter physics (including formerly solid state physics, supercond.)

Project
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year
2023
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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