Zobrazeno 1 - 10
of 65
pro vyhledávání: '"Mafalda Guedes"'
Publikováno v:
Materials Letters: X, Vol 6, Iss , Pp 100045- (2020)
Li-Sn alloys are of considerable interest in the design of plasma facing systems for nuclear fusion reactors. This letter reports the production of Li-Sn alloys by mechanical alloying, followed by cold pressing. Li atomic concentrations below 25 at.%
Externí odkaz:
https://doaj.org/article/9fd78b76d75e4e76b0137ea8dba9d2b5
Autor:
Pedro Adão, João Reboleira, Marco Teles, Beatriz Santos, Nádia Ribeiro, Carlos M. Teixeira, Mafalda Guedes, João Costa Pessoa, Susana Bernardino
Publikováno v:
Molecules, Vol 26, Iss 10, p 2916 (2021)
The chemical modification of porphyran hydrocolloid is attempted, with the objective of enhancing its antioxidant and antimicrobial activities. Sulfated galactan porphyran is obtained from commercial samples of the red algae Porphyra dioica using Sox
Externí odkaz:
https://doaj.org/article/fcbad19adc63434483855eb8ba35cd14
Autor:
Miguel Albardeiro, Adriana Sousa, Mafalda Guedes, Rosa Marat-Mendes, Célio Pina, Lígia Figueiredo, Eduardo Ascenso, Ricardo Baptista
Publikováno v:
MATERIAIS 2022.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::77f476724e117a48f20455b0b74cb2d4
https://doi.org/10.3390/materproc2022008138
https://doi.org/10.3390/materproc2022008138
Publikováno v:
MATERIAIS 2022.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e0e4a76aeb0aa2d4a04d5d92a8db0ea1
https://doi.org/10.3390/materproc2022008078
https://doi.org/10.3390/materproc2022008078
Autor:
Miguel Sales Dias, Miguel B. Costa, Eduardo Alves, Rodrigo Mateus, R.C. da Silva, Norberto Catarino, Mafalda Guedes, Luís Alves, A.C. Ferro
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 486:55-62
The use of liquid Li-Sn alloys for nuclear fusion applications may be hampered by the high melting point of Li-rich intermetallics. Aiming to inhibit their formation, the blend of pure Li (as high as 15 at.%) with pure Sn was controlled via mechanica
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4e2eac7d465cbec923606367a26183b8
https://doi.org/10.1016/j.nimb.2020.09.019
https://doi.org/10.1016/j.nimb.2020.09.019
Publikováno v:
Materiais 2022.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e4400deea78fc513db042e137d5a7b34
https://doi.org/10.3390/materproc2022008043
https://doi.org/10.3390/materproc2022008043
Autor:
Mafalda Guedes, Marco Aurelio Lisboa Leite, C.G. Figueiredo-Pina, A. Chefdor, I. Rodrigues, A.C. Branco, Ana Paula Serro, Susana M. Olhero
Publikováno v:
Journal of Manufacturing Processes. 57:1-9
The current work aims to develop high solid load zirconia pastes without organic binder additives, for the robocasting of dental structures. The effect of the amount of Dolapix CE64 dispersant on the stabilisation of zirconia aqueous suspensions was
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9aedfc0e1770305d95a356311f9b7894
https://doi.org/10.1016/j.jmapro.2020.06.015
https://doi.org/10.1016/j.jmapro.2020.06.015
Publikováno v:
Wear. :50-56
This study aims to determine if the presence of Streptococcus salivarius biofilm changes the tribological response of the tooth/zirconia contact pair. Reciprocating pin-on-plate wear tests were carried out at 37 °C and pH 7, using an appropriate lub
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cfade48c2ea33d55db820921b47770fd
https://doi.org/10.1016/j.wear.2019.04.018
https://doi.org/10.1016/j.wear.2019.04.018
Publikováno v:
Magazine of Concrete Research. 71:408-423
Cement pastes reinforced with various concentrations of functionalised and unfunctionalised carbon nanotubes (CNTs) with different aspect ratios were studied in terms of their dispersion and reinforcement efficiency. Mechanical strength was correlate
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ce20d419109fdc6d24d9b487a0971dc2
https://doi.org/10.1680/jmacr.17.00562
https://doi.org/10.1680/jmacr.17.00562
Autor:
A.C. Ferro, Mafalda Guedes
Publikováno v:
Materials Science and Engineering: C. 97:124-140
This work explores the possibility of synthesising hydroxyapatite via mechanochemical route using biogenic calcium carbonate sources, namely calcite in chicken eggshell and aragonite in cuttlebone. The calcium source and orthophosphoric acid in ratio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::273cd53390f3fbaafdb7056cb770cbad
https://doi.org/10.1016/j.msec.2018.11.083
https://doi.org/10.1016/j.msec.2018.11.083