Zobrazeno 1 - 10
of 49
pro vyhledávání: '"Roberto Zenhei Nakazato"'
Autor:
Jonas Fernando Macedo, Igor Alexandre Fioravante, Roberto Zenhei Nakazato, Heloisa Andréa Acciari, Eduardo Norberto Codaro
Publikováno v:
Iranian Journal of Materials Science and Engineering, Vol 18, Iss 1, Pp 118-127 (2021)
As we all know, corrosion of pipelines by hydrogen sulfide is the most worrying factor in the production and transport of oil and gas. In this work the corrosion behavior of API 5L X70MS and X70MO low carbon steels in hydrogen sulfide environments wa
Externí odkaz:
https://doaj.org/article/972b633e07bb4e489867f3d5cab682cb
Autor:
Kerolene Barboza da Silva, João Pedro Aquiles Carobolante, S. Sudhagara Rajan, Celso Bortolini Júnior, Roberta Maia Sabino, Maurício Rangel Seixas, Roberto Zenhei Nakazato, Ketul C. Popat, Ana Paula Rosifini Alves Claro
Publikováno v:
Materials, Vol 16, Iss 5, p 1970 (2023)
This study aims to characterize a new Ti-25Ta-25Nb-5Sn alloy for biomedical application. Microstructure, phase formation, mechanical and corrosion properties, along with the cell culture study of the Ti-25Ta-25Nb alloy with Sn content 5 mass% are pre
Externí odkaz:
https://doaj.org/article/2ac600829d154f598284c815d946ef83
Autor:
Kerolene Barboza da Silva, Reginaldo Toshihiro Konatu, Liliane Lelis de Oliveira, Roberto Zenhei Nakazato, Ana Paula Rosifini Alves Claro
Publikováno v:
Materials Research, Vol 20, Iss 5, Pp 1402-1405 (2017)
In this study the corrosion resistance of Ti30Ta experimental alloy was evaluated when submitted to different deformation rates. Alloys were processed in arc melting, furnace, forged and treated. The samples were machined in accordance with ASTME9-09
Externí odkaz:
https://doaj.org/article/fc6ff28543864885a0c8d563d5c9c995
Publikováno v:
Materials Research, Vol 20, Iss 5, Pp 1282-1290 (2017)
In this study, the effects of the parameters such as applied potential difference, time and annealing temperature in the titania nanotubes formation were evaluated. The morphology of the nanotubes was evaluted by using Field Emission Gun - Scanning E
Externí odkaz:
https://doaj.org/article/7c04f184e83f40b3aba412aef1576ba8
Autor:
Dener Pedro da Silva Palma, Roberto Zenhei Nakazato, Eduardo Norberto Codaro, Heloisa Andréa Acciari
Publikováno v:
Materials Research, Vol 22, Iss suppl 1 (2019)
The objective of this work was to investigate the effects of anodization parameters on the anatase phase formation of titanium oxide films, which have been grown on both electropolished and non-electropolished titanium surfaces by direct current anod
Externí odkaz:
https://doaj.org/article/493cdc5c25d4421181e5143d76412563
Autor:
Geraldo Francisco Gomes, Mario Ueda, Antonio Fernando Beloto, Roberto Zenhei Nakazato, Helfried Reuther
Publikováno v:
Materials Research, Vol 8, Iss 4, Pp 387-389 (2005)
SAE 1020 construction steel is widely used as mortar reinforcement and small machine parts, but aside good surface properties as high ductility, hardness and wear resistance, its surface is prone to severe corrosion. As it is known, Chromium in amoun
Externí odkaz:
https://doaj.org/article/a8e4b20724f2472ea3a4effd974b5186
Autor:
Élida Mariana Almeida Alves, Ana Carolina Rodrigues de Sá Silva, Peterson Luiz Ferrandini, Roberto Zenhei Nakazato, Eduardo Norberto Codaro
Artigo publicado como Resumo Expandido no I Congresso Nacional Multidisciplinar em Ciência
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::86d1b2e508a8246adbf3a68adbb6232c
Autor:
Roberto Zenhei Nakazato, Peterson Luiz Ferrandini, Élida Mariana Almeida Alves, Ana Carolina R. de Sá Silva, Eduardo Norberto Codaro
Publikováno v:
Anais do Semana Online Científica de Engenharia.
Este trabalho tem como objetivo avaliar o revestimento de soldagem em resistência ao desgaste abrasivo na deposição Inconel 625 no aço AISI 4130. Avaliou-se 3 amostras com duas diferenças de revestimento de Inconel 625 depositado pelo processo d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1ea28364f91048815d79a5c8f10ec697
https://doi.org/10.54265/pggi7175
https://doi.org/10.54265/pggi7175
Autor:
Roberto Zenhei Nakazato, Luís Santos, Edson Cocchieri Botelho, Juliana Bovi de Oliveira, Luíza dos Santos Conejo, Winand Kok, Hermes Rocha de Meneses Neto, Luis Rogerio de Oliveira Hein
Publikováno v:
Scopus
Repositório Institucional da UNESP
Universidade Estadual Paulista (UNESP)
instacron:UNESP
Repositório Institucional da UNESP
Universidade Estadual Paulista (UNESP)
instacron:UNESP
Made available in DSpace on 2021-06-25T11:13:16Z (GMT). No. of bitstreams: 0 Previous issue date: 2021-04-01 Carbon-carbon composites (C/C) are those that have carbonaceous matrix reinforced with carbon fiber. They are widely used in the aerospace fi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6ff71a1ba0face376bb247f7f6dde994
https://doi.org/10.1007/s10965-021-02448-7
https://doi.org/10.1007/s10965-021-02448-7
Autor:
Roberto Zenhei Nakazato, Ana Lúcia do Amaral Escada, Ana Paula Rosifini Alves Claro, Barbara Lois Mathias de Souza
Publikováno v:
Matéria (Rio de Janeiro) v.26 n.1 2021
Matéria (Rio de Janeiro. Online)
instacron:RLAM
Matéria (Rio de Janeiro. Online)
instacron:RLAM
As estrategias atuais no design de biomateriais incluem a alteracao das propriedades da superficie do biomaterial para direcionar sistematicamente o comportamento celular. O titânio e o material mais prevalente para uso em implantes devido as suas p
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::75169139ed07aec4fd35ba2877b776d9
https://doi.org/10.1590/s1517-707620210001.1250
https://doi.org/10.1590/s1517-707620210001.1250