Zobrazeno 1 - 10
of 139
pro vyhledávání: '"Wislei R. Osório"'
Publikováno v:
Metals, Vol 14, Iss 4, p 461 (2024)
The aim of this investigation concerns evaluating the mechanical strength and microhardness values of A356 alloy samples in distinctive heat treatments, including those commonly applied to automotive wheels. It is recognized that A356 and Al-Si-based
Externí odkaz:
https://doaj.org/article/1ec9159f7b0347bfbdf21794933508e4
Autor:
Rodrigo S. Bonatti, Ausdinir D. Bortolozo, Rodrigo F. G. Baldo, Erik Poloni, Wislei R. Osório
Publikováno v:
Metals, Vol 13, Iss 10, p 1710 (2023)
Powder metallurgy stands out as a preferred manufacturing method across various industries due to its advantages in design flexibility, material efficiency, and cost-effective production. In this work, we study the influence of different compaction d
Externí odkaz:
https://doaj.org/article/f474e55410a84ddf948ac766ac515f96
Autor:
Rodrigo S. Bonatti, João F. Q. Rodrigues, Leandro C. Peixoto, Rodrigo F. G. Baldo, Ausdinir D. Bortolozo, Wislei R. Osório
Publikováno v:
Metals, Vol 13, Iss 7, p 1282 (2023)
This investigation focuses on the effects of the compaction directions (i.e., transversal and longitudinal) and microstructural arrays (inside the powder utilized to constitute the specimens) on the anisotropic strengths. The initial powders are obta
Externí odkaz:
https://doaj.org/article/89028868f682481ab48a60f746f4fa50
Publikováno v:
Metals, Vol 12, Iss 6, p 962 (2022)
Al and its alloys constitute one of the most versatile, economical, and attractive materials for a wide range of applications. The 7xxx and 2xxx series alloys achieve the highest mechanical strength among the aluminum alloys. In this investigation, p
Externí odkaz:
https://doaj.org/article/eb39142be56d49278076817578d1c9a9
Publikováno v:
Metals, Vol 12, Iss 5, p 863 (2022)
The aim of this investigation is focused on the evaluation of distinctive coatings commonly applied in the automotive industry. The resulting corrosion behavior is analyzed by using electrochemical impedance spectroscopy (EIS), equivalent circuit (EC
Externí odkaz:
https://doaj.org/article/e1f6ed7c271b4361af747137e5068aad
Autor:
Yuri A. Meyer, A.D. Bortolozo, Wislei R. Osório, Giovana da Silva Padilha, Luz M. Satizabal, Heloisa Fn Caurin
Publikováno v:
Journal of Composite Materials. 55:3589-3605
The aim in this investigation is focused on the evaluation of two distinctive powder size ratios of pure elements (Al, Si and Cu) powders. Heat treatments (T4 and T6) affecting the mechanical strengths of Al/Si/Cu composites are also investigated. Th
Publikováno v:
Journal of Thermal Analysis and Calorimetry. 147:3071-3081
This study aims to combine distinctive supports with a feasible, easy and cleaning method to lipase immobilization. Commercial lipase from Burkholderia cepacia is physically adsorbed using polymeric powders such as polyhydroxybutyrate (PHB), polyhydr
Autor:
Luisa A. Gachet, Mirian Lnm Melo, Wislei R. Osório, Rosa Cristina Cecche Lintz, Amauri E Gomes, Beatriz C. Xavier
Publikováno v:
Journal of Composite Materials. 55:2823-2838
In this investigation distinctive self-compacting concretes (SCC) containing both marble + granite (MG) powder and hooked-end steel fibers (HESF) are investigated. A mixture of conventional SCC (reference), and other five samples containing MG and st
Publikováno v:
Journal of Solid State Electrochemistry. 25:1303-1317
This experimental investigation is focused on the evaluation of the compressive strength and corrosion behavior of Al-5Cu/xCu composites with Cu content, varying of 0, 1, 3, and 5 wt.% Cu. Powder of an as-cast Al-5Cu alloy is used to constitute Al-5C
Autor:
Giovana da Silva Padilha, Wislei R. Osório, Rodrigo S. Bonatti, A.D. Bortolozo, Yuri A. Meyer
Publikováno v:
Corrosion. 76:1109-1121
This study is focused on the evaluation of the electrochemical behavior of three distinct Alp/Sip composites (i.e., 2.5 wt%, 5.0 wt%, and 7.5 wt% Si). In contrast to the stirring casting process, the composites are produced using both Al and Si powde