Characterization of Defects in Titanium Created by Hydrogen Charging

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61389021%3A_____%2F17%3A00508732" target="_blank" >RIV/61389021:_____/17:00508732 - isvavai.cz</a>
Result on the web
<a href="http://przyrbwn.icm.edu.pl/APP/PDF/132/app132z5p38.pdf" target="_blank" >http://przyrbwn.icm.edu.pl/APP/PDF/132/app132z5p38.pdf</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.12693/APhysPolA.132.1606" target="_blank" >10.12693/APhysPolA.132.1606</a>

Result language
angličtina
Original language name
Characterization of Defects in Titanium Created by Hydrogen Charging
Original language description
Hydrogen interaction with vacancies in alpha-Ti was investigated employing positron lifetime spectroscopy combined with ab initio theoretical modeling of vacancy-hydrogen complexes. Ab initio modeling revealed that multiple hydrogen atoms up to 7 can be trapped at vacancies in the alpha-Ti lattice. Trapped H atoms are located close to the nearest neighbor tetrahedral sites around the centre of vacancy. Lifetimes of positrons trapped at vacancies associated with various numbers of hydrogen atoms were calculated. Positron lifetime measurement of H-loaded alpha-Ti samples revealed that phase transition into the hydride phase introduced dislocations. Vacancies were created by H loading as well and agglomerated into small vacancy clusters.
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
20501 - Materials engineering

Project
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Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year
2017
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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