Zobrazeno 1 - 10
of 19
pro vyhledávání: '"Heide Heloise Bernardi"'
Autor:
Sofia Salles Lantyer Marques, Rita de Cássia Mendonça Sales-Contini, Jorge Otubo, Heide Heloise Bernardi
Publikováno v:
Alloys, Vol 2, Iss 2, Pp 110-121 (2023)
In this work, the influence of heat treatment on the corrosion resistance of shape memory stainless steel based on FeMnSiCrNiCo was evaluated. Deformed samples were annealed from 250 °C to 1050 °C for 1 h. Scanning electron microscopy (SEM-EDS) and
Externí odkaz:
https://doaj.org/article/5089ebad230a42289d1141216cbc28b5
Autor:
Heide Heloise Bernardi, Hugo Ricardo Zschommler Sandim, Kahl Dick Zilnyk, Bert Verlinden, Dierk Raabe
Publikováno v:
Materials Research, Vol 20, Iss 5, Pp 1238-1247 (2017)
A [211]-oriented niobium single crystal was deformed by equal channel angular pressing (ECAP) at room temperature using the route Bc to a total strain of 9.2. A sharp cube texture develops after ECAP processing. The deformed samples were annealed in
Externí odkaz:
https://doaj.org/article/015997a79dfd4bea9180221bb71baf9b
Autor:
Karine Andrea Käfer, Heide Heloise Bernardi, Osmar de Sousa Santos, Larissa Otubo, Nelson Batista de Lima, Jorge Otubo
Publikováno v:
Materials Research, Vol 21, Iss 5 (2018)
In the current work, XRD, SEM, EBSD and TEM techniques were used to evaluate the microstructure of stainless Fe-Mn-Si-Cr-Ni-Co shape memory steel processed by ECAE and annealed for one hour at temperatures ranging from 650ºC to 950ºC. The results w
Externí odkaz:
https://doaj.org/article/9f965f8fab994afca605d5a0380be691
Publikováno v:
Materials Research, Vol 17, Iss 3, Pp 583-587 (2014)
The effect of the microstructure on the shape recovery in stainless Fe-8Mn-5Si-13Cr-6Ni-12Co shape memory steel (SSMS) was evaluated using tensile tests and reversion temperature of 600ºC for a pre-strain of 4%. The tests were performed for a soluti
Externí odkaz:
https://doaj.org/article/2410d0cc256d4e8f8cabca3bf1db8ed8
Autor:
Fernanda Lídia Carvalho Lucas, Vanessa Guido, Karine Andrea Käfer, Heide Heloise Bernardi, Jorge Otubo
Publikováno v:
Materials Research, Vol 17, Iss suppl 1, Pp 186-190 (2014)
The current work evaluated the microstructures and martensitic transformation temperatures of NiTi shape memory alloy (SMA) deformed by equal channel angular extrusion (ECAE). The Ti-55.27wt.%Ni alloy was processed by 1 ECAE pass at 250 °C using a d
Externí odkaz:
https://doaj.org/article/949377df3979429488e04f9b93af326b
Publikováno v:
Journal of Aerospace Technology and Management, Vol 6, Iss 4 (2014)
Maraging steels have low carbon content and are highly alloyed, having as main feature the ability to increase the mechanical strength after thermal aging. Therefore, the objective of this work is to analyze the effect of aging in a Co-free maraging
Externí odkaz:
https://doaj.org/article/20308ce858db4edc870d277868c90106
Autor:
Heide Heloise Bernardi
Publikováno v:
Biblioteca Digital de Teses e Dissertações da USPUniversidade de São PauloUSP.
Amostras de nióbio de alta pureza na forma de monocristais, bicristais e policristais foram retiradas de seções longitudinais de lingotes fundidos por feixe eletrônico. As amostras foram deformadas via extrusão em canal angular (ECAE - Equal Cha
Publikováno v:
CIMATech. 1:27-39
Em vista do elevado número de falhas causadas por corrosão em componentes aeronáuticos e dos altos valores empregados no combate e reparação da mesma neste setor, vê-se a necessidade de uma análise mais detalhada sobre o assunto. O presente es
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d92575c5b8501c16b1e0eac39f7622aa
https://doi.org/10.37619/issn2447-5378.v7i1.327.27-39
https://doi.org/10.37619/issn2447-5378.v7i1.327.27-39
Autor:
Jossano Saldanha Marcuzzo, Aline Castilho Rodrigues, Andres Cuña, Nestor Tancredi, Eduardo Mendez, Heide Heloise Bernardi, Mauricio Ribeiro Baldan
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2643310e317b32981726a0dfe89a49bc
https://doi.org/10.22533/at.ed.3201925064
https://doi.org/10.22533/at.ed.3201925064
Publikováno v:
As Engenharias frente a Sociedade, a Economia e o Meio Ambiente 3
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::29e074a41bc39e4b58b56a5a9578f2c0
https://doi.org/10.22533/at.ed.3201925066
https://doi.org/10.22533/at.ed.3201925066