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Chemical milling of cast Ti-6Al-4V and Ti-6Al-2Sn-4Zr-2Mo alloys in hydrofluoric-nitric acid solutions

Autor
Sefer, B.; Dobryden, I.; Almqvist, N.; Pederson, Robert; Antti, Marta-lena
Tipus d'activitat
Article en revista
Revista
Corrosion
Data de publicació
2017-04-01
Volum
73
Número
4
Pàgina inicial
394
Pàgina final
407
DOI
https://doi.org/10.5006/2277 Obrir en finestra nova
Repositori
http://hdl.handle.net/2117/104324 Obrir en finestra nova
URL
http://corrosionjournal.org/doi/10.5006/2277?code=nace-prem-site Obrir en finestra nova
Resum
The behavior of cast Ti-6Al-4V and Ti-6Al-2Sn-4Zr-2Mo during chemical milling in hydrofluoric-nitric (HF-HNO3) acid solutions with 1:3 and 1:11 molar ratios was investigated using electrochemical and atomic force microscopy (AFM) techniques. Faster corrosion rate in 1:3 solutions was measured for Ti-6Al-4V than for Ti-6Al-2Sn-4Zr-2Mo, whereas in 1:11 solution Ti-6Al-2Sn-4Zr-2Mo exhibited higher corrosion rate. Scanning Kelvin probe force microscopy measurements revealed difference in the Volta p...
Citació
Sefer, B., Dobryden, I., Almqvist, N., Pederson, Robert, Antti, M. Chemical milling of cast Ti-6Al-4V and Ti-6Al-2Sn-4Zr-2Mo alloys in hydrofluoric-nitric acid solutions. "Corrosion", 1 Abril 2017, vol. 73, núm. 4, p. 394-407.
Paraules clau
Atomic force microscopy, chemical milling/pickling, galvanic corrosion, linear polarization resistance, scanning Kelvin probe force microscopy, titanium alloys
Grup de recerca
CIEFMA - Centre d'Integritat Estructural, Micromecànica i Fiabilitat dels Materials

Participants

  • Sefer, Birhan  (autor)
  • Dobryden, Illia  (autor)
  • Almqvist, Nils  (autor)
  • Pederson, Robert  (autor)
  • Antti, Marta-lena  (autor)