Zobrazeno 1 - 10
of 55
pro vyhledávání: '"Oscar Marcelo Suárez"'
Autor:
Andrés F. Calle-Hoyos, Norman A. Burgos-León, Luisa I. Feliciano-Cruz, David Florián-Algarín, Christian Vázquez Rivera, Jorge D. De Jesús-Silva, Oscar Marcelo Suárez
Publikováno v:
Journal of Composites Science, Vol 8, Iss 6, p 210 (2024)
New and innovative technologies have expanded the quality and applications of aluminum welding in the maritime, aerospace, and automotive industries. One such technology is the addition of nanoparticles to aluminum matrices, resulting in improved str
Externí odkaz:
https://doaj.org/article/8392d9e4792a418aa807f1b952ba10ff
Autor:
Mairym Vázquez, Oscar Marcelo Suárez, Michael Thompson, Haneul Jang, Na Gong, David Weiss, Orlando Rios
Publikováno v:
Journal of Composites Science, Vol 5, Iss 10, p 255 (2021)
Al-Ce based alloys have gained recent interest and have proven to have excellent strength without heat treatment and high thermal stability. Challenges with the production of Al-Ce samples from elemental powders arise due to the elemental material be
Externí odkaz:
https://doaj.org/article/4bdbff000da44ff0812bc9d1d019cedd
Publikováno v:
Journal of Composites Science, Vol 5, Iss 6, p 163 (2021)
The Portevin-Le Chatelier (PLC) phenomenon or dynamic strain aging in Al–0.5 wt. % Mg alloys was investigated at different strain rates. This research also examined the effect of γAl2O3 nanoparticles on the PLC phenomenon. A nanocomposite made of
Externí odkaz:
https://doaj.org/article/a7a051d4cfca42fd9b111967e4f0b983
Publikováno v:
Crystals, Vol 11, Iss 5, p 492 (2021)
In microelectronic mechanical systems applications, sputtered aluminum thin films may have large roughness, which promotes the optical degradation and electromigration. This challenge motivated the present research, where magnetron sputtering equippe
Externí odkaz:
https://doaj.org/article/4677a986e1df4ee68836b9c8650e725c
Publikováno v:
Advances in Materials Science and Engineering, Vol 2018 (2018)
The effect of the addition of AlB12 particles to gravity cast Al-Zn alloys was studied and related to the composite deformation at high temperature. The characterization techniques of choice were thermomechanical analysis (TMA), Brinell hardness (HB)
Externí odkaz:
https://doaj.org/article/f873739752aa4c619edacac80dff748f
Publikováno v:
Advances in Civil Engineering, Vol 2018 (2018)
In modern construction industry, fabrication of sustainable concrete has turned the decision-making process into a challenging endeavor. One alternative is using fly ash and nanostructured silica as cement replacements. In these modern mixtures, prop
Externí odkaz:
https://doaj.org/article/60bb631c923a4316b2facc924e2245b2
Publikováno v:
Cogent Engineering, Vol 3, Iss 1 (2016)
This study, assessed the interaction between Portland cement type I and polycarboxylate-type superplasticizers. Five systems were analyzed with the cement-superplasticizer pair being selected from the viewpoint of its rheological behavior using the M
Externí odkaz:
https://doaj.org/article/2fe5c1a747154106bd02af08566750e9
Autor:
David Florián-Algarín, Michelle Marrero-García, Javier José Martínez-Santos, Luis Montejo Valencia, Oscar Marcelo Suárez
Publikováno v:
Journal of Composites Science, Vol 3, Iss 3, p 70 (2019)
In Al-Mg alloys, the Portevin-Le Chatelier phenomenon, or dynamic strain aging, reveals itself as serrations upon plastic tensile deformation. This research evaluates this phenomenon when Al/NbB2 nanocomposite pellets are added to a magnesium-supersa
Externí odkaz:
https://doaj.org/article/44eb2ce5cda04b0082d439f1246aa1e4
Tortuosity Index Based on Dynamic Mechanical Properties of Polyimide Foam for Aerospace Applications
Publikováno v:
Materials, Vol 12, Iss 11, p 1851 (2019)
The determination of a reliable tortuosity index is lacking in the aerospace industry. Therefore, a methodology is formulated via direct and indirect characterization methods of a fluid-filled porous media. Chemical, thermal, and mechanical character
Externí odkaz:
https://doaj.org/article/df8292e743b74d2ebd8095af0d03e1ee
Publikováno v:
Journal of Composites Science, Vol 3, Iss 1, p 7 (2019)
Bio-polymer-based composites are appealing cost-effective and environmentally friendly materials for electronic applications. This project relates to bio-composites made of chitosan and cellulose and reinforced with strontium titanate nanoparticles.
Externí odkaz:
https://doaj.org/article/3e31ca347d5b47bea251bf87b4157fc0