Zobrazeno 1 - 10
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pro vyhledávání: '"Daniel Sierra Yoshikawa"'
Autor:
Daniel Sierra Yoshikawa
Publikováno v:
Biblioteca Digital de Teses e Dissertações da USPUniversidade de São PauloUSP.
As chapas de ligas de alumínio trabalháveis são produzidas atualmente por dois processos, o método de vazamento contínuo conhecido TRC (Twin Roll Continous Casting) ou pelo método tradicional de vazamento de placas DC (Direct Chill). A fabrica
Autor:
Daniel Sierra Yoshikawa, Leandro Gomes de Carvalho, Ronald Lesley Plaut, Angelo Fernando Padilha
Publikováno v:
REM: International Engineering Journal, Vol 70, Iss 4, Pp 471-476
Abstract Initially studied was the effect of the casting mode on the electrical conductivity of AA4006 aluminum alloy sheets produced by both Twin Roll Casting (TRC) and by the semi-continuous Direct Chill (DC) industrial processes, when compared to
Externí odkaz:
https://doaj.org/article/ff9b20b40a4a44198dce6bc18f077aa7
Autor:
Daniel Sierra Yoshikawa
Publikováno v:
Biblioteca Digital de Teses e Dissertações da USPUniversidade de São PauloUSP.
Neste trabalho foi investigado o efeito de vários tratamentos para modificação da superfície na resistência à corrosão do alumínio AA1050 com o objetivo de identificar um potencial substituto ao tratamento de cromatização. Os tratamentos ad
Autor:
Rubens Nunes de Faria, E. Galego, Ivana Conte Cosentino, P.V.D. Cruz, Daniel Sierra Yoshikawa
Publikováno v:
Materials Science Forum. 1012:125-130
Electric double-layer capacitors prepared using activated carbons have been subjected to vacuum heat treatments at low and high temperatures (200, 400, 600, 800 and 1000°C). The electrodes have been tested at a potential of 1.1 V employing a KOH ele
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9a55d1d317c8855a3ca6afdc1daae7d8
https://doi.org/10.4028/www.scientific.net/msf.1012.125
https://doi.org/10.4028/www.scientific.net/msf.1012.125
Publikováno v:
Materials Science Forum. 1012:147-152
The equivalent series resistances (ESR) and specific capacitances (Cs) of supercapacitors carbon electrodes have been investigated using cyclic voltammetry and electrochemical impedance spectroscopy. Commercial activated carbon electrodes employing o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::37f37ba547fb3c02446f4c0ca6411e1d
https://doi.org/10.4028/www.scientific.net/msf.1012.147
https://doi.org/10.4028/www.scientific.net/msf.1012.147
Publikováno v:
Materials Science Forum. 1012:131-135
The microstructure, chemical composition, equivalent series resistance (ESR) and specific capacitance (Cs) of supercapacitors electrodes have been investigated. Commercial activated carbon electrodes employing organic electrolyte have been tested at
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dd186d401dcaa8368e4ddcc42e478296
https://doi.org/10.4028/www.scientific.net/msf.1012.131
https://doi.org/10.4028/www.scientific.net/msf.1012.131
Publikováno v:
Materials and Corrosion. 67:286-296
In this work, the corrosion behavior of the AA4006 alloy made by the twin roll caster process was evaluated using electrochemical impedance spectroscopy (EIS), anodic potentiodynamic polarization curves, and scanning electron microscopy (SEM). This a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4af6424a35cb53d463420ee2099fcf24
https://doi.org/10.1002/maco.201508442
https://doi.org/10.1002/maco.201508442
Autor:
Daniel Sierra Yoshikawa
Publikováno v:
Biblioteca Digital de Teses e Dissertações da USP
Universidade de São Paulo (USP)
instacron:USP
Universidade de São Paulo (USP)
instacron:USP
As chapas de ligas de alumínio trabalháveis são produzidas atualmente por dois processos, o método de vazamento contínuo conhecido TRC (Twin Roll Continous Casting) ou pelo método tradicional de vazamento de placas DC (Direct Chill). A fabrica
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::84ef042742c87d4b3ae271e90e42510d
https://doi.org/10.11606/t.3.2016.tde-17062016-145633
https://doi.org/10.11606/t.3.2016.tde-17062016-145633
Publikováno v:
Surface and Coatings Technology. 204:3238-3242
Whether it contains hexavalent chromium, chromium (VI), or simply Cr(VI), chromating has been largely used for surface preparation of aluminum aimed at corrosion protection due to its effectiveness and easy application. The most used among these proc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8c0a4f1392738ac16e7b2c21fd910444
https://doi.org/10.1016/j.surfcoat.2010.03.021
https://doi.org/10.1016/j.surfcoat.2010.03.021
Autor:
Daniel Sierra Yoshikawa, Solange de Souza, S. L. Assis, Isolda Costa, Wagner Izaltino Alves dos Santos
Publikováno v:
Tecnologia em Metalurgia e Materiais. 6:130-135
Coatings based on self-assembling molecules (SAM) have been studied as possible substitutes to the chromate conversion coatings for corrosion protection of aluminium alloys. In this work, the influence of alkane diphosphonates self-assembling molecul
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::480aeff078076c45fe5266f300edcad9
https://doi.org/10.4322/tmm.00603002
https://doi.org/10.4322/tmm.00603002