Zobrazeno 1 - 10
of 72
pro vyhledávání: '"Ronaldo Sergio de Biasi"'
Autor:
Mattheus Torquato, Eliel Gomes da Silva Neto, Magno de Assis Verly Heringer, Elisa Maria Baggio-Saitovich, Emilson Ribeiro Viana, Ronaldo Sergio de Biasi
Publikováno v:
Journal of Materials Research and Technology, Vol 33, Iss , Pp 7380-7390 (2024)
Recently, cubic ferrites (CFs) have been widely explored in biomedical applications, especially those that display superparamagnetism behavior due to the desirable absence of a remanent field. In this study, we report the self-stabilization of the ma
Externí odkaz:
https://doaj.org/article/6ea6cc4e8cc14aa3b0e0f54ad95e9c7f
Autor:
Ana Lúcia Nascimento Oliveira, Carlos Nelson Elias, Heraldo Elias Salomão dos Santos, Claudinei dos Santos, Ronaldo Sergio de Biasi
Publikováno v:
International Journal of Biomaterials, Vol 2022 (2022)
The objective was to evaluate the bending strength, phase transformation, roughness, and color stainability by coffee and red wine of opaque and high translucency yttria-stabilized zirconia before and after hydrothermal degradation in saline solution
Externí odkaz:
https://doaj.org/article/04788885b7a247b1afca23b885822de6
Autor:
Gesinete Gonçalves Pinto Klippel, Claudio Luis de Melo-Silva, Tereza Cristina Favieri de Melo-Silva, Carlos Nelson Elias, Ronaldo Sergio de Biasi, Claudinei dos Santos
Publikováno v:
Materials Research, Vol 24, Iss 4 (2021)
Abstract The aim of this work was to analyze the properties and shear bond strength (SBS) of lithium disilicate to resin cement before and after etching the glass-ceramic surfaces. Lithium-metasilicate samples were heat treated and characterized by S
Externí odkaz:
https://doaj.org/article/b3fab35928a4403886433f8d30733a87
Autor:
Ronaldo Sergio de Biasi, Gabriel Burlandy Mota de Melo, André Ben-Hur da Silva Figueiredo, Mariella Alzamora Camarena, José Brant de Campos
Publikováno v:
Journal of Materials Research and Technology, Vol 8, Iss 1, Pp 309-313 (2019)
Manganese ferrite (MnFe2O4) nanoparticles were dispersed in paraffin and the physical properties of this composite were investigated by X-ray diffraction (XRD), ferromagnetic resonance (FMR), vibrating sample magnetometry (VSM), field cooled (FC) and
Externí odkaz:
https://doaj.org/article/7ec06e3a4ed34f44b23da0361c2d95ed
Autor:
Igor da Silva Brum, Carlos Nelson Elias, Ana Lucia Rosa Nascimento, Cherley Borba Vieira de Andrade, Ronaldo Sergio de Biasi, Jorge José de Carvalho
Publikováno v:
Polymers, Vol 13, Iss 23, p 4135 (2021)
In this work, in vitro testing was used to study the properties of non-crosslinked type 1 bovine derived collagen membranes used in bone regeneration surgery. Collagen membranes were prepared, their surface roughness was quantified by interferometry,
Externí odkaz:
https://doaj.org/article/5253162814994e6897d030de15c21955
Autor:
Ailton da Silva Ferreira, Patricia Bodanese Prates, Claudio Michel Poffo, João Cardoso de Lima, Ronaldo Sergio de Biasi
Publikováno v:
Materials Research, Vol 20, Iss 4, Pp 1072-1081 (2017)
A nanostructured Cr11Ge19 phase was produced by mechanical alloying for 15 h. Decomposition occurred for larger milling times, yielding Cr, Ge, Cr2O3 and GeO2. According to the Cr-Ge phase diagram, the Cr11Ge19 phase is stable up to ≈ 928 oC, but,
Externí odkaz:
https://doaj.org/article/50fde2f31e3e4cb3945abe5f8fa35be4
Autor:
André Ben-Hur da Silva Figueiredo, Hélio de Carvalho Vital, Ricardo Pondé Weber, Édio Pereira Lima Júnior, João Gabriel Passos Rodrigues, Letícia dos Santos Aguilera, Ronaldo Sergio de Biasi
Publikováno v:
Materials Research, Vol 22, Iss suppl 1 (2019)
The energy absorption in ballistic tests of alumina-ultra high molecular weight polyethylene (UHMWPE) composites with 60, 80 and 90 wt% alumina submitted to gamma radiation doses of 25, 50 and 75 kGy was investigated. The ballistic tests were carried
Externí odkaz:
https://doaj.org/article/6b8471fa0d964460b1a574deea09e131
Autor:
André Ben-Hur da Silva Figueiredo, Édio Pereira Lima Júnior, Alaelson Vieira Gomes, Gabriel Burlandy Mota de Melo, Sergio Neves Monteiro, Ronaldo Sergio de Biasi
Publikováno v:
Materials Research, Vol 21, Iss 5 (2018)
The response to ballistic impact of alumina-ultra high molecular weight polyethylene (UHMWPE) composites with different relative concentrations of alumina was investigated. The impact tests were carried out at subsonic speed using a compressed air sy
Externí odkaz:
https://doaj.org/article/36a3e684c0da4bae922c632e9b630c48
Publikováno v:
Materials Research, Vol 18, Iss 2, Pp 288-291 (2015)
Electron magnetic resonance (EMR) spectra of gadolinium-doped barium titanate (BaTiO3) have been studied at room temperature for gadolinium concentrations between 0.20 and 2.00 mol%. The results suggest that the Gd3+ ions occupy substitutional sites,
Externí odkaz:
https://doaj.org/article/c0038875b0734ac79eb51ec539464872
Publikováno v:
Materials Research, Vol 15, Iss 3, Pp 473-476 (2012)
Electron magnetic resonance (EMR) spectra of Cr3+ ions in samples of chromium-doped strontium titanate (SrTiO3) have been studied at room temperature for chromium concentrations between 0.20 and 1.00 mol%. According to previous studies, chromium subs
Externí odkaz:
https://doaj.org/article/0f9b4725ff5c451da1244cef00765334