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Nanoindentation tests titanium alloy Ti-6Al-4V after interference laser treatment

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The study aimed was to assess selected mechanical properties of surface layers obtained after interference laser treatment – DLIL of titanium alloy Ti-6Al-4V used for implants. The samples were melted in still air at room temperature, for this purpose Nd:YAG laser was used, the number of laser shots was variable. Next, nanoindentation tests were performed, based on which Young’s modulus and nanohardness in the obtained surface layers were determined. An increase in nanohardness is observed in the surface layers after laser melting. An increase in the modulus of elasticity and higher hardness was observed for both the first and second areas on the sample surface. In the case of a sample for which three laser beam shots were used, hardness and Young’s modulus almost doubled. On the basis of the obtained results, it was found that the modified Ti-6Al-4V alloy can be used as an implant material, and the proposed method of modifying its surface may extend the life of such implants and improve their frictional properties.

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Informacje szczegółowe

Kategoria:
Publikacja w czasopiśmie
Typ:
artykuły w czasopismach
Opublikowano w:
Inżynieria Materiałowa strony 9 - 12,
ISSN: 0208-6247
Język:
angielski
Rok wydania:
2020
Opis bibliograficzny:
Jażdżewska M., Trochowska D., Bartmański M.: Nanoindentation tests titanium alloy Ti-6Al-4V after interference laser treatment// Inżynieria Materiałowa -,iss. 4 (2020), s.9-12
DOI:
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.15199/28.2020.4.1
Weryfikacja:
Politechnika Gdańska

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