Zobrazeno 1 - 10
of 18
pro vyhledávání: '"Cosme Roberto Moreira da Silva"'
Autor:
Manuel Fellipe Rodrigues Pais Alves, Leonardo Queiroz Bueno de Campos, Bruno Galvão Simba, Cosme Roberto Moreira da Silva, Kurt Strecker, Claudinei dos Santos
Publikováno v:
Ceramics, Vol 5, Iss 4, Pp 798-813 (2022)
This work evaluates the effects of grain growth and tetragonality of the t-ZrO2 phase on the mechanical properties of 3Y-TZP ceramics. Samples were sintered at 1475 °C for 2 h, and at 1600 °C for 2, 12, or 24 h. After sintering, the tetragonal ZrO2
Externí odkaz:
https://doaj.org/article/4833c4d464ff49899dca89cf1ee74ee4
Autor:
Paola Cristina Cajas Daza, Jorge Luiz de Almeida Ferreira, José Alexander Araujo, José Antônio Euzébio Paiva, Rodrigo Arbey Muñoz Meneses, Cosme Roberto Moreira da Silva
Publikováno v:
Boletín de la Sociedad Española de Cerámica y Vidrio, Vol 61, Iss 5, Pp 541-551 (2022)
In this work, controlled precipitation synthesis methods and polymeric precursors (Pechini) were used to obtain gadolinium-doped cerium oxide solid electrolytes (Ce0.8Gd0.2O1.9) and double-doped cerium oxide with gadolinium and samarium (Ce0.8Gd0.2
Externí odkaz:
https://doaj.org/article/199aa85807f24759bf1586bbcbdb5feb
Autor:
Maycol Moreira Coutinho, Anne Caroline de Paula Nascimento, José Eduardo Vasconcelos Amarante, Claudinei dos Santos, Jorge Luiz de Almeida Ferreira, Cosme Roberto Moreira da Silva
Publikováno v:
Materials Research, Vol 25 (2022)
This work investigated the effect of adding ceria-stabilized tetragonal zirconia (Ce-TZP) on the fatigue behavior of alumina-based ceramic composites. Alumina powder (control group) and mixtures containing 5 wt.% (group A) and 20 wt.% (group B) of a
Externí odkaz:
https://doaj.org/article/e6f4614adbf340e1a85bc63edd571171
Autor:
Vagner João Gobbi, Silvio José Gobbi, Danieli Aparecida Pereira Reis, Jorge Luiz de Almeida Ferreira, José Alexander Araújo, Cosme Roberto Moreira da Silva
Publikováno v:
Metals, Vol 8, Iss 11, p 877 (2018)
Superalloys are used primarily for the aerospace, automotive, and petrochemical industries. These applications require materials with high creep resistance. In this work, evaluation of creep resistance and microstructural characterization were carrie
Externí odkaz:
https://doaj.org/article/8e5dd8bfd0324ed7bb3cc0cce00657f4
Autor:
Claudinei dos Santos, Kurt Strecker, Francisco Piorino Neto, Olivério Moreira Macedo Silva, Cosme Roberto Moreira da Silva
Publikováno v:
Materials Research, Vol 9, Iss 1, Pp 1-8 (2006)
The understanding of the creep behavior of silicon nitride (Si3N4) is extremely complex because of a large number of parameters influencing simultaneously the creep deformation of the materials. In general, the main creep mechanisms acting in these m
Externí odkaz:
https://doaj.org/article/ae262477c8d44cdebd2d8ded05aad66d
Autor:
Claudinei dos Santos, Kurt Strecker, Francisco Piorino Neto, Olivério Moreira de Macedo Silva, Sandro Aparecido Baldacim, Cosme Roberto Moreira da Silva
Publikováno v:
Materials Research, Vol 6, Iss 4, Pp 463-467 (2003)
The objective of this work has been to compare the reliability of two Si3N4 ceramics, with Y2O3/Al2O3 or CTR2O3/Al2O3 mixtures as additives, in regard to their 4-point bending strength and to confirm the potential of the rare earth oxide mixture, CTR
Externí odkaz:
https://doaj.org/article/74be4aec952640b48bfbe27a38853b00
Autor:
Vagner João Gobbi, Silvio José Gobbi, Danieli Aparecida Pereira Reis, Jorge Luiz de Almeida Ferreira, José Alexander Araújo, Cosme Roberto Moreira da Silva
Publikováno v:
Kovove Materialy-Metallic Materials. 60
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cf8a1cbbe33c2e3c9fa19579a5b0daf0
https://doi.org/10.31577/km.2022.2.67
https://doi.org/10.31577/km.2022.2.67
Autor:
Layse Mendes Diniz, Gustavo Reinke, Remy Kalombo Badibanga, Jorge Luiz de Almeida Ferreira, José Alexander Araújo, Cosme Roberto Moreira da Silva
Publikováno v:
Journal of the Brazilian Society of Mechanical Sciences and Engineering. 44
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::02008ef077aba974c6d38058cdbe1539
https://doi.org/10.1007/s40430-022-03495-x
https://doi.org/10.1007/s40430-022-03495-x
Autor:
Claudinei Dos, Santos, Ingrid Ferreira, Coutinho, José Eduardo Vasconcellos, Amarante, Manuel Fellipe Rodrigues Pais, Alves, Maycol Moreira, Coutinho, Cosme Roberto, Moreira da Silva
Publikováno v:
Journal of the mechanical behavior of biomedical materials. 116
The objective of this work was the development and characterization of a ceramic composite based on (Ce,Y)-TZP/AlCeramic samples, 3Y-TZP (n = 40) and (Ce,Y)-TZP/AlAll sintered specimens presented nearly full densification. After the hydrothermal degr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::0e0eed1b2d6937590038e773d2d3d34a
https://pubmed.ncbi.nlm.nih.gov/33540326
https://pubmed.ncbi.nlm.nih.gov/33540326
Publikováno v:
Proceedings of the 25th International Congress of Mechanical Engineering.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1a9512f579b5363e4a6ff7243de5e9f4
https://doi.org/10.26678/abcm.cobem2019.cob2019-0162
https://doi.org/10.26678/abcm.cobem2019.cob2019-0162