Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Ramon Alves Torquato"'
Autor:
Fernanda de Souza Silva, Marcio Assolin Correa, Felipe Bohn, Rodolfo Bezerra da Silva, Tibério Andrade dos Passos, Ramon Alves Torquato, Bruno Alessandro Guedes de Lima, Carlos Henrique Nascimento Cordeiro, Danniel Ferreira de Oliveira
Publikováno v:
Journal of Materials Research and Technology, Vol 26, Iss , Pp 5167-5176 (2023)
We report a systematic investigation of the mechanical, structural, and magnetic properties of Nb-doped NiMnSn Heusler alloys. Specifically, NiMnSnNb alloys with 1% at Nb doping replacing distinct elements in NiMnSn alloys are explored. Our results i
Externí odkaz:
https://doaj.org/article/7995941da86f4aff95d49fff8ec133eb
Autor:
Wictor Magnus Patrício Araújo de Lima, Thaís Liane de Sousa Moura, Luiz Henrique de Carvalho Filho, Rafael A. Raimundo, Danniel Ferreira de Oliveira, Ramon Alves Torquato
Publikováno v:
MRS Communications. 13:75-81
Autor:
Michel Raimundo de Brito, Fernanda de Souza Silva, Marcio Assolin Correa, Felipe Bohn, Rodolfo Bezerra da Silva, Tibério Andrade dos Passos, Ramon Alves Torquato, Rodinei Medeiros Gomes, Danniel Ferreira de Oliveira
Publikováno v:
MRS Communications. 12:62-67
Feasibility of Developing a Heusler NiMnSn Alloy via Induction Casting Without Controlled Atmosphere
Autor:
Fernanda de Souza Silva, Michel Raimundo de Brito, Tibério Andrade dos Passos, Ramon Alves Torquato, Rodinei Medeiros Gomes, Danniel Ferreira de Oliveira, Felipe Bohn, Rodolfo Bezerra da Silva, Marcio Assolin Correa
Publikováno v:
MRS Communications. 11:336-341
We report a systematic investigation of the structural, thermal, and magnetic properties of Ni50Mn37Sn13 Heusler alloy obtained by fusion without controlled atmosphere and annealing. Specifically, we produce Ni50Mn37Sn13 alloy samples by induction ca
Autor:
Ramon Alves Torquato, Marcio Assolin Correa, Felipe Bohn, Tibério Andrade dos Passos, Fabiana Kelly de Medeiros, Danniel Ferreira de Oliveira, Rodinei Medeiros Gomes, Bruno Alessandro Silva Guedes de Lima, J.G.S. Santos
Publikováno v:
Journal of Materials Science: Materials in Electronics. 32:1369-1378
The influence of simultaneous doping of Ti and B on the thermomechanical, structural, and magnetic properties of CuAlMn Heusler alloys was evaluated in this study. The samples were prepared via induction casting, and they were characterized by X-ray
Autor:
Danniel Ferreira de Oliveira, Wictor Magnus Patrício Araújo de Lima, Luiz Henrique de Carvalho Filho, Rafael A. Raimundo, Ramon Alves Torquato
Publikováno v:
MRS Communications.
The present work describes the effect of Ni on the structure, gap and electrical resistance of the ZnO semiconductor matrix, produced through the combustion reaction. Furthermore, the influence of temperature on the electrical resistance of $${\text{
Publikováno v:
Cerâmica v.66 n.379 2020
Cerâmica (São Paulo. Online)
Universidade de São Paulo (USP)
instacron:USP
Cerâmica, Volume: 66, Issue: 379, Pages: 262-268, Published: 17 JUL 2020
Cerâmica, Vol 66, Iss 379, Pp 262-268 (2020)
Cerâmica (São Paulo. Online)
Universidade de São Paulo (USP)
instacron:USP
Cerâmica, Volume: 66, Issue: 379, Pages: 262-268, Published: 17 JUL 2020
Cerâmica, Vol 66, Iss 379, Pp 262-268 (2020)
Eu-doped semiconductor matrix of ZnO at concentrations of 0.05 and 0.10 mols was synthesized by combustion reaction, using zinc nitrate, europium nitrate, and urea as fuel. In order to analyze the effect of europium concentration and sintering on the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3ddd0346b860e1e985786468a06f51f6
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0366-69132020000300262
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0366-69132020000300262
Autor:
David D.S. Silva, Marco A. Morales, Rafael A. Raimundo, Daniel Nicolau Lima Alves, Micael R. Andrade, Danniel Ferreira de Oliveira, Rodinei Medeiros Gomes, Ramon Alves Torquato
Publikováno v:
Journal of Magnetism and Magnetic Materials. 539:168403
This study proposes the application of low-field magnetic analysis (LFMA) as an alternative non-destructive testing method based on magnetic flux density for the detection of mechanical ductile damage in sheet metal under uniaxial stress. Ductile dam
Publikováno v:
Cerâmica, Volume: 64, Issue: 372, Pages: 627-631, Published: DEC 2018
Cerâmica, Vol 64, Iss 372, Pp 627-631
Cerâmica v.64 n.372 2018
Cerâmica (São Paulo. Online)
Universidade de São Paulo (USP)
instacron:USP
Cerâmica, Vol 64, Iss 372, Pp 627-631
Cerâmica v.64 n.372 2018
Cerâmica (São Paulo. Online)
Universidade de São Paulo (USP)
instacron:USP
This work aimed to study a sintered Ni-doped ZnO dilute magnetic semiconductor synthesized by means of a combustion reaction and to evaluate the effect of doping and sintering in the band gap and magnetic properties of the material. X-ray diffraction
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0b66dc6656faf9fcbfd4ab84d10ecaf4
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0366-69132018000400627&lng=en&tlng=en
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0366-69132018000400627&lng=en&tlng=en
Autor:
David D.S. Silva, Marco A. Morales, Rafael A. Raimundo, Thiago A. Simões, Geraldo L. Faria, Ramon Alves Torquato, Rodinei Medeiros Gomes
Publikováno v:
Journal of Magnetism and Magnetic Materials. 513:167072
The aim of this study is to evaluate a new nondestructive method designated as Low-Field Magnetic Analysis (LFMA) based on the measurement of magnetic flux density for monitoring sigma (σ) phase precipitation in duplex stainless steel (DSS). In addi