Zobrazeno 1 - 10
of 30
pro vyhledávání: '"Bruna Horta Bastos Kuffner"'
Autor:
Pedro Henrique Gonçalves, Agata Mayara Paula Pontes, Marcela Silva Lamoglia, Bruna Horta Bastos Kuffner, Antonio Augusto Araújo Pinto da Silva, Gilbert Silva
Publikováno v:
Materials Research, Vol 26 (2023)
Vanadis®8 is a high-value tool steel, that undergoes gas atomization and hot isostatic pressing during production , resulting in costly waste. Repurposing this waste material through powder metallurgy (PM) offers a cost-effective solution. This stud
Externí odkaz:
https://doaj.org/article/1b2e070de039473cbb50e690c200e395
Publikováno v:
REM: International Engineering Journal, Vol 76, Iss 1, Pp 9-19 (2023)
Abstract Self-compacting concretes (SCCs) are considered promising materials in the civil engineering field. Their main characteristic is the ability to compact only through gravitational force. Mineral additions such as rice husk ash (RHA) and fly a
Externí odkaz:
https://doaj.org/article/3af0b01f369645fabe4c571adb722ce1
Autor:
Roberta Alves Gomes Matos, Jonas Mendes, Bruna Horta Bastos Kuffner, Mirian de Lourdes Noronha Motta Melo, Gilbert Silva
Publikováno v:
Materials Research, Vol 26 (2023)
Abstract Usually, scraps of X22CrMoV12-1 alloy are obtained through machining of steam turbine blades and recycled through casting. However, this process is considered too costly. The viability of recycling X22CrMoV12-1 scraps with addition of vanadi
Externí odkaz:
https://doaj.org/article/65348f1f401a49698d0b426097e338a8
Autor:
Elioenai Levi Barbedo, Pedro Henrique Gonçalves, Marcela Silva Lamoglia, Agata Mayara Paula Pontes, Bruna Horta Bastos Kuffner, Guilherme Ferreira Gomes, Gilbert Silva
Publikováno v:
Materials Research, Vol 24, Iss 5 (2021)
Abstract The Vanadis® 8 is a tool steel used in the manufacture of dies, punches and tools. It has a high carbon content combined with chromium, molybdenum and vanadium, and presents good performance in its mechanical properties. Usually, its chips
Externí odkaz:
https://doaj.org/article/93dfbfbc23aa4ff1ba96f28b9997f63f
Autor:
Larissa Mayra Silva Ribeiro, Luziane Aparecida Costa da Rosa Simões, Melina Espanhol-Soares, Vinicius Carvalho Teles, Tainara Aparecida Nunes Ribeiro, Patrícia Capellato, Lucas Victor Benjamim Vasconcelos Fré, Bruna Horta Bastos Kuffner, Stephen Edward Saddow, Daniela Sachs, Ana Paula Rosifini Alves Claro, Rossano Gimenes
Publikováno v:
Metals, Vol 12, Iss 9, p 1409 (2022)
This study aims to promote an adequate methodology for coating an experimental Ti-30Ta alloy with P(VDF-TrFE)/BaTiO3. The combination of a copolymer with a ceramic has not been used until now. Ti-30Ta is an excellent choice to replace current alloys
Externí odkaz:
https://doaj.org/article/5f469790e31b4ee98567305d9fa3c672
Autor:
Roberta Alves Gomes Matos, Jonas Mendes, Bruna Horta Bastos Kuffner, Mirian de Lourdes Noronha Motta Melo, Gilbert Silva
Publikováno v:
Materials Research, Vol 23, Iss 5 (2021)
Abstract The Al4.5wt%Cu is an aeronautical and automobile alloy with extensive use in industry for structural purposes. The aim of this work was to evaluate two different solidification processes of the Al4.5wt%Cu alloy, conventional and unidirection
Externí odkaz:
https://doaj.org/article/0074783d733c4a2c8102905fddfca454
Autor:
Bruna Horta Bastos Kuffner, Patricia Capellato, Larissa Mayra Silva Ribeiro, Daniela Sachs, Gilbert Silva
Publikováno v:
Metals, Vol 11, Iss 12, p 1923 (2021)
Metallic biomaterials are widely used for implants and dental and orthopedic applications due to their good mechanical properties. Among all these materials, 316L stainless steel has gained special attention, because of its good characteristics as an
Externí odkaz:
https://doaj.org/article/8cc05e23c3d24685ad4003a9eee7b9ae
Publikováno v:
Materials Research, Vol 21, Iss 1 (2017)
The AISI 52100 is a tool steel used in industry to produce bearings. After the end of its life cycle, it is remelted or discarded in deposits. The powder metallurgy rises as an alternative to recycle this material without any waste. The steps used to
Externí odkaz:
https://doaj.org/article/ec05fbb85a914218b9fc0beb45d3965c
Publikováno v:
REM: International Engineering Journal, Vol 70, Iss 4, Pp 459-464
Abstract The use of alumina as a reinforcement in metallic and ceramic matrix is well-known. The purpose of this study was to investigate the effect of alumina addition according to its amount on the microstructural and mechanical behavior of tricalc
Externí odkaz:
https://doaj.org/article/eb724a9a7eb945cc9a4a79e71e4644ee
Autor:
Mônica Huguenin de Araújo Faria, Alexandre Nogueira Ottoboni Dias, Leonardo Albergaria Oliveira, Claudiney de Sales Pereira Mendonça, Bruna Horta Bastos Kuffner, Daniela Sachs, Gilbert Silva
Publikováno v:
REM: International Engineering Journal, Vol 71, Iss 4, Pp 605-611
Abstract The 316L stainless steel (316L SS) is one of the most used metallic materials for implants, due to its high mechanical properties and low cost. However, it is bioinert. One possibility to improve its biocompatibility is the production of a c
Externí odkaz:
https://doaj.org/article/7cc49e1dcc2347ceaa7e7425714e1609