Zobrazeno 1 - 10
of 47
pro vyhledávání: '"Carlos P Bergmann"'
Publikováno v:
ACS Omega, Vol 8, Iss 49, Pp 46406-46413 (2023)
Externí odkaz:
https://doaj.org/article/9a96df00e1fe433794d4bac25a1612f4
Autor:
Fernanda Mazuco Clain, Carlos Eduardo Marcos Guilherme, Frantchescole Borges Cardoso, Fernando Machado Machado, Rubens Camaratta, Carlos Perez Bergmann, Alice Goncalves Osorio
Publikováno v:
Carbon Trends, Vol 13, Iss , Pp 100313- (2023)
One of the primary challenges to turning CNTs into commercial applications is the feasibility to manufacture macroscopic structures that mirror the extraordinary properties of individual CNTs. CNT yarns (CNTY) are an alternative to overcome this chal
Externí odkaz:
https://doaj.org/article/3af1c0d111324dd38fb175a88e5f60e1
Autor:
Franciele B. T. de Jesus, Kamila R. da Silva, Jordana M. Inocente, Carlos P. Bergmann, Sabrina Arcaro, Oscar R. K. Montedo
Publikováno v:
REM: International Engineering Journal, Vol 75, Iss 4, Pp 317-327 (2022)
Abstract This study aims to develop a pressed concrete roofing tile from powder technology containing basalt powder in substitution of fine sand (aggregate) for application in building covers. Specimens were submitted to technological and toxicologic
Externí odkaz:
https://doaj.org/article/905612d538cd4b4b992d3857190f2feb
Autor:
Leandro Gómez-Plata, Bernardo F. Tutikian, Fernanda Pacheco, Marcos S. Oliveira, Michel Murillo, Luis F.O. Silva, Carlos P. Bergmann
Publikováno v:
Journal of Materials Research and Technology, Vol 9, Iss 3, Pp 5045-5055 (2020)
This work presents results of the first study of the variation by exposure to high temperatures from two stay-in-place polyvinyl chloride (SIP-PVC) formwork concrete exposed to the ISO 834 fire curve. A systematic sampling based on the proximity of t
Externí odkaz:
https://doaj.org/article/d763c2717bcf4e04b0d8762631d78041
Autor:
Oscar Rubem K. Montedo, Pâmela C. Milak, Cristian A. Faller, Carlos Pérez Bergmann, Agenor De Noni Jr.
Publikováno v:
REM: International Engineering Journal, Vol 73, Iss 2, Pp 179-188 (2020)
Abstract This study aims to evaluate the influence of the 11.6Li2O-16.8ZrO2-68.2SiO2-3.4Al2O3 (mol%) glass-ceramic addition (LZSA, 7 to 21 vol%) on the erosive wear of alumina in comparison to values of pure alumina obtained from the literature. Thus
Externí odkaz:
https://doaj.org/article/7f0760d755d9462b84152b2d57020bfd
Autor:
Alan Paskieviski Machado, Sabrina Arcaro, Fabiano Raupp-Pereira, Carlos Pérez Bergmann, Oscar Rubem Klegues Montedo
Publikováno v:
Materials Research, Vol 24, Iss 5 (2021)
Abstract In Brazil, the production of each ton of steel generates approximately 621 kg of waste and direct co-products. One of the components that generates a high amount of waste is the refractory material used in the steel process. So, in this stud
Externí odkaz:
https://doaj.org/article/7b108c8b218e43f2bf879fff328f69de
Autor:
Matheus A. DA CUNHA, Waleska C. GUAGLIANONI, Bruno F.A. BEZERRA, Felipe V. DE CAMARGO, Carlos P. BERGMANN
Publikováno v:
Proceedings on Engineering Sciences, Vol 1, Iss 1, Pp 181-187 (2019)
This work investigates the wear rate of a cermet from a NiCr alloy that is added at 5 wt% to cobalt carbide. This carbide was milled for 3, 6 and 12 hours in a high energy mill to obtain different sizes of nanometer-scale crystallites, and high veloc
Externí odkaz:
https://doaj.org/article/eaac59dfa35a41e48d4789dc0dc1beae
Autor:
Júlia Daneluz, Juliana da Silva Favero, Venina dos Santos, Valeria Weiss-Angeli, Lucas Bonan Gomes, André Sampaio Mexias, Carlos Pérez Bergmann
Publikováno v:
Materials Research, Vol 23, Iss 2 (2020)
Abstract The clay minerals have characteristics and properties that allow their applicability in the cosmetic area, being incorporated into formulations as an active principle. Therefore, the aim of this work is characterizing and evaluating the infl
Externí odkaz:
https://doaj.org/article/fd9d68ab680a45ee969ef856441a5cee
Publikováno v:
Materials Research, Vol 23, Iss 2 (2020)
RESUMO Polyols as solvents are widely and successfully used in various methodologies to obtain zinc oxide nanostructures. One of the main reasons of using polyols is related to its capacity to prevent the agglomeration of ZnO nanoparticles during the
Externí odkaz:
https://doaj.org/article/d7183b1d92a241d28f04ad4b91f82166
Autor:
Claudir Gabriel Kaufmann Jr, Rúbia Young Sun Zampiva, Carlos Pérez Bergmann, Annelise Kopp Alves, Mortari Roberto Sergio, Pavlović Ana
Publikováno v:
FME Transactions, Vol 46, Iss 2, Pp 151-156 (2018)
Carbon nanotubes (CNTs) are studied because of their diverse applications in many fields, such as medicine, computing, physics, chemistry, and others. Therefore, it is crucial to develop techniques for producing a large volume of high-quality multi-w
Externí odkaz:
https://doaj.org/article/2a06ab9da7044fa48c939262de1914cf