Zobrazeno 1 - 10
of 70
pro vyhledávání: '"F.C. Rizzo"'
Autor:
V.R. Santos, A.Q. Bracarense, E.C.P. Pessoa, R.R. Marinho, F.C. Rizzo, R.C. Junior, M.J. Monteiro
Publikováno v:
Journal of Materials Research and Technology, Vol 21, Iss , Pp 1223-1247 (2022)
Offshore oil production with floating platforms and FPSO-type production vessels has grown continuously in the last decades. When in service, the structural elements of these vessels draw a maximum depth of about 20 m meters. Therefore, the need for
Externí odkaz:
https://doaj.org/article/9fa1fe3c8f3b4c9fbf4d274821df2829
Autor:
V.R. Santos, A.Q. Bracarense, E.C.P. Pessoa, R.R. Marinho, F.C. Rizzo, A.F. Nóbrega, R.C. Junior, M.J. Monteiro, J.M.A. Rebello
Publikováno v:
Journal of Materials Research and Technology, Vol 15, Iss , Pp 5787-5802 (2021)
Hydrogen cracking (cold cracking), both in the heat-affected zone (HAZ) and in weld metal (WM) is one of the main factors responsible for losses in ductility and toughness in wet welds. These losses make it difficult to comply with structural quality
Externí odkaz:
https://doaj.org/article/647c2c59bcae41cc8bbd04f56e0e1f52
Akademický článek
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Publikováno v:
Corrosion Science. 41:1731-1742
The oxidation of pure Co and two Co–Y alloys containing 2 at.% and 5 at.% Y has been studied at 600–800°C in air. The oxidation of pure cobalt at all temperatures followed the parabolic rate law. The oxidation of the two alloys approximately fol
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::aa0be02423270023fa6da2e4c856d78d
https://doi.org/10.1016/s0010-938x(99)00011-6
https://doi.org/10.1016/s0010-938x(99)00011-6
Autor:
F.C. Rizzo Assunção, P.R.J. Silva, H. Saitovitch, S. K. Xia, J A Gomez, E. M. Baggio-Saitovitch
Publikováno v:
Journal of Physics: Condensed Matter. 10:3457-3466
The effects of mechanical milling on the chemical order and structure of the C14 Laves phase have been studied by x-ray diffraction and Mossbauer spectroscopy. The results show that ball milling leads to a segregation of two phases. One, with a lower
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::867ff29a64e9d6cf5f5abc52f8618e9d
https://doi.org/10.1088/0953-8984/10/15/021
https://doi.org/10.1088/0953-8984/10/15/021
Autor:
S. K. Xia, F.C. Rizzo Assunção, T. Wroblewski, E. M. Baggio-Saitovitch, S. Doyle, Roberto R. de Avillez
Publikováno v:
Journal of Alloys and Compounds. 248:246-250
Structural evolution during heat treatment of amorphous Fe 2 Sc powder obtained by mechanical milling of Fe 2 Sc Laves phase has been studied by in situ X-ray diffraction using synchrotron radiation, in situ Mossbauer spectroscopy and differential sc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8f6ac89d55abf66e43ad38f0753cb522
https://doi.org/10.1016/s0925-8388(96)02669-2
https://doi.org/10.1016/s0925-8388(96)02669-2
Autor:
S.K. Xia, null Baggio-Saitovitch, V.A. Rodriguez, E. Passamani, A.Y. Takeuchi, M. Ghfari, R.R. Avillez, F.C. Rizzo Assunça˜o
Publikováno v:
Journal of Alloys and Compounds. 242:85-89
The Fe2Sc intermetallic compound with C14 Laves phase structure was mechanically milled. The structural evolution and the change in atomic order were followed by X-ray diffraction and Mossbauer spectroscopy. The influence of mechanical milling on the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0495bc092e4f51522e63685ec539c3c5
https://doi.org/10.1016/0925-8388(96)02355-9
https://doi.org/10.1016/0925-8388(96)02355-9
Publikováno v:
Materials Science Forum. :389-394
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b50dec3cf821a8a98e46e430d5851538
https://doi.org/10.4028/www.scientific.net/msf.225-227.389
https://doi.org/10.4028/www.scientific.net/msf.225-227.389
Publikováno v:
Corrosion Science. 37:2043-2058
The oxidation behavior of CoNb alloys containing 15 and 30 wt% Nb has been studied at 600–800 °C under 1 atm of pure oxygen. The corrosion kinetics followed the parabolic law only approximately, because, especially at 600 °C, the instantaneous
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fa8819eaff8fac5c47052a69767a7aa6
https://doi.org/10.1016/0010-938x(95)00100-x
https://doi.org/10.1016/0010-938x(95)00100-x
Publikováno v:
Materials and Corrosion/Werkstoffe und Korrosion. 46:223-231
The corrosion of two Fe-Nb alloys containing 15 and 30 wt% Nb has been studied at 600–800°C under 1 atm of pure oxygen. The reaction followed the parabolic rate law to a reasonable approximation with rate constants much lower than for the oxidatio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::70b76b8a9b75bdf57c1918644fb94ae2
https://doi.org/10.1002/maco.19950460406
https://doi.org/10.1002/maco.19950460406