Zobrazeno 1 - 10
of 72
pro vyhledávání: '"Joaquim Teixeira de Assis"'
Autor:
Gabriel da cruz ferreira, Ramon Silva dos Santos, Hamilton Santos Gama Filho, Davi Ferreira de Oliveira, Catarine Canellas Gondim Leitão, Joaquim Teixeira de Assis, Marcelino José dos Anjos
Publikováno v:
Brazilian Journal of Radiation Sciences, Vol 10, Iss 3B (2022)
In this study the elemental concentrations of twenty-three beer cans of different brands and nationalities were determined using X-ray fluorescence technique. Beer cans from Brazil (20 beer cans), Germany, the United Kingdom and Colombia were analyze
Externí odkaz:
https://doaj.org/article/58038608e04d45ce856b8781fd432b14
Autor:
Leandro Silva de Assis, Joaquim Teixeira de Assis, José Renato de Castro Pessoa, Armando Dias Tavares Júnior
Publikováno v:
Revista IBRACON de Estruturas e Materiais, Vol 15, Iss 4 (2022)
Abstract This work aims to present a methodology for the elaboration of a deformation map in a Portland cement concrete specimen to predict fractures caused by axial compression stresses, using the technique of Digital Image Correlation - DIC 2D. For
Externí odkaz:
https://doaj.org/article/854f21386374420799e2b08210120cc2
Autor:
Ramon Silva dos Santos, Davi Ferreira de Oliveira, Joaquim Teixeira de Assis, Marcelino José dos Anjos
Publikováno v:
Brazilian Journal of Radiation Sciences, Vol 7, Iss 2A (2019)
In this work was developed a portable system of grazing exit X-ray fluorescence (geometric 90° - 0°) that can be applied in several areas science and technology. GE-XRF portable system is formed by a mini X-ray tube of low power (anode of Au) and a
Externí odkaz:
https://doaj.org/article/01c3e6f4e9a94ed68efab8c5cd013d8e
Autor:
Catarina Alzira Montenegro Peddis Torres, Sergei Anatolyevich Paschuk, Janine Nicolosi Corrêa, Valeriy Deniak, Anna Silvia Setti Rocha, Liliane Camargo, Joaquim Teixeira de Assis
Publikováno v:
Brazilian Journal of Radiation Sciences, Vol 7, Iss 2A (2019)
The main goal of present work is analytical characterization of standard dental implants broadly used by Brazilian dentists. An ideal biological alloy for dental implants must have very high biocompatibility, which means that such material should not
Externí odkaz:
https://doaj.org/article/2fa5079023b74d5893a763398a71fbd3
Publikováno v:
Materials Research, Vol 19, Iss 6, Pp 1215-1225 (2016)
The aim of this work is to evaluate the welding residual stress profile in ASTM A106 Gr. B steel pipes with 4" diameter and to correlate this profile with the microstructure and hardness of the joint. The results showed that the residual stresses are
Externí odkaz:
https://doaj.org/article/e99722fb587c425baae1baa0ff339e8a
Autor:
Vladimir Ivanovitch Monine, João da Cruz Payão Filho, Rodrigo Stohler Gonzaga, Elisa Kimus Dias Passos, Joaquim Teixeira de Assis
Publikováno v:
Advances in Materials Science and Engineering, Vol 2018 (2018)
In the present work, residual stresses in nickel-based (Ni 625) superalloy weld metal of a 9%Ni steel-welded joint were measured by X-ray diffraction (XRD). This technique presents some difficulties in performing measurements in coarse and preferenti
Externí odkaz:
https://doaj.org/article/8e5e38a929ee4ef396ad53c551a06042
Autor:
Vladimir Ivanovitch Monin, Ricardo Tadeu Lopes, Sergio Nolêto Turibus, João C. Payão Filho, Joaquim Teixeira de Assis
Publikováno v:
Materials Research, Vol 17, Iss suppl 1, Pp 64-69 (2014)
Duplex stainless steel is an example of composite material with approximately equal amounts of austenite and ferrite phases. Difference of physical and mechanical properties of component is additional factor that contributes appearance of residual st
Externí odkaz:
https://doaj.org/article/3d8fb3b0423e4e1ebec5059332e90b7c
Autor:
Vania V. Estrela, Nikolaos Andreopoulos, Ricardo Tadeu Lopes, Joaquim Teixeira de Assis, Andrey Terziev, Robert Sroufer, Vania Vieira Estrela, V. V. Estrela, Albany E. Herrmann, Edwiges G. H. Grata, Maria Aparecida de Jesus, Monica Vianna
CALL FOR BOOK CHAPTERS INTELLIGENT HEALTHCARE SYSTEMS Scopus-indexed, Free of charges, published by CRC Press/Taylor & Francis Keywords: Health 4.0, Internet of Medical Things, Public Health, Disaster Mitigation, Vehicular Communications, Wireless Ne
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a16e6871590c8089c8b9a242bcc656f3
Autor:
Mariane Porto Lima, Joaquim Teixeira de Assis, José Renato de Castro Pessôa, Suian Andrade Meira, Flávia Lopes de Almeida Nascimento, Laio Andrade Sacramento
Publikováno v:
Brazilian Journal of Development. 6:16449-16459
Autor:
D.F. Oliveira, Joaquim Teixeira de Assis, Ricardo Tadeu Lopes, Marcelino J. Anjos, A.S. Machado, Olga M.O. de Araujo, Bruno Leonardo do Nascimento-Dias
Publikováno v:
Applied Radiation and Isotopes. 152:156-161
Meteorites have been arousing the curiosity of mankind since antiquity. However, the interest in these objects goes far beyond mere curiosity in the study of such materials, which has great importance due essentially to the information they can provi