Zobrazeno 1 - 10
of 188
pro vyhledávání: '"José E. Spinelli"'
Metal/mold thermal conductance affecting ultrafine scale microstructures in aluminum eutectic alloys
Autor:
Rafael Kakitani, Ricardo Oliveira, Rodrigo V. Reyes, Adilson V. Rodrigues, Felipe Bertelli, Amauri Garcia, José E. Spinelli, Noé Cheung
Publikováno v:
Case Studies in Thermal Engineering, Vol 26, Iss , Pp 101144- (2021)
Ultra-thin microstructures of eutectic aluminum alloys have attracted attention due to their excellent mechanical properties. In this context, it is known that the massive production of industrial components may require adaptations in the processing
Externí odkaz:
https://doaj.org/article/0972fd85936d44a1910a73553eced223
Publikováno v:
Journal of Materials Research and Technology, Vol 8, Iss 1, Pp 1581-1586 (2019)
Based on two experimental approaches: transient directional solidification and drop shape analyses, the measurements of cooling rates and contact angles (θ) of several solders of interest became practical. Three Sn–0.7Cu–(1; 2 and 3Ag) and four
Externí odkaz:
https://doaj.org/article/b4ed3395c6c943cab64ad0437b1ee4fb
Publikováno v:
Metals, Vol 12, Iss 4, p 645 (2022)
The corrosion behavior of Fe-containing directionally solidified (DS) and centrifugally cast (CC) Al-Si-Cu-Zn alloys with either Co or Ni additions has been investigated. Electrochemical and immersion corrosion methods were used to investigate the co
Externí odkaz:
https://doaj.org/article/0ebeada6751d4c94b8f86f083d57df86
Autor:
Diego B. Carvalho, Antonio L. Moreira, Daniel J. Moutinho, José M. Filho, Otávio L. Rocha, José E. Spinelli
Publikováno v:
Materials Research, Vol 17, Iss 2, Pp 498-510 (2014)
Experiments were conducted to investigate the influence of thermal parameters on the columnar to equiaxed transition during the horizontal unsteady-state directional solidification of Al-Si alloys. The parameters analyzed include the heat transfer co
Externí odkaz:
https://doaj.org/article/0e4b684179234317a1451c1872355584
Autor:
Leonardo Fernandes Gomes, Cristie Luis Kugelmeier, Carlos Alberto Della Rovere, Amauri Garcia, José E. Spinelli
Publikováno v:
Journal of Materials Research and Technology, Vol 15, Iss, Pp 5880-5893 (2021)
The most important commercial casting alloys are those based on Al–Si. Their technical characteristics are highly connected to their as-cast microstructure, which is translated by the secondary dendrite arm spacing (SDAS). The alloy microstructure
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4023ecde1e7684aa8dc382bd2a069954
http://www.sciencedirect.com/science/article/pii/S2238785421013223
http://www.sciencedirect.com/science/article/pii/S2238785421013223
Autor:
Noé Cheung, Rafael Kakitani, Bismarck Luiz Silva, Cássio A.P. Silva, José E. Spinelli, Amauri Garcia
Publikováno v:
Soldering & Surface Mount Technology. 34:24-30
Purpose Overall, selection maps about the extent of the eutectic growth projects the solidification velocities leading to given microstructures. This is because of limitations of most of the set of results when obtained for single thermal gradients w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0276ef8c18fd5e6f1bb0b17803c6a0b0
https://doi.org/10.1108/ssmt-01-2021-0003
https://doi.org/10.1108/ssmt-01-2021-0003
Autor:
José E. Spinelli, Ricardo Oliveira, André Barros, Noé Cheung, Clarissa Cruz, Felipe Bertelli, Amauri Garcia
Publikováno v:
Journal of Thermal Analysis and Calorimetry. 147:4945-4958
The use of Al for replacing high-cost alloying metals, like Ag, Bi, and Cu, as the second major element in Sn-based alloys, arises as a promising alternative for the development of low-cost Pb-free solder alloys. To date, however, the interfacial cha
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3a7e399c529647f1bc599e00b01d0e57
https://doi.org/10.1007/s10973-021-10755-w
https://doi.org/10.1007/s10973-021-10755-w
Autor:
Noé Cheung, Amauri Garcia, José E. Spinelli, Bismarck Luiz Silva, Rudimylla Septimio, Clarissa Cruz
Publikováno v:
Journal of Applied Electrochemistry. 51:769-780
In electronic devices the solder joint is exposed not only to the air but also to moistures and other corrosive media such as chlorine and sulfur compounds. Bi–Ag alloys meet the melting temperature requirement to be classified as high-temperature
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bb3b0834742007384e294718d3f16644
https://doi.org/10.1007/s10800-021-01533-5
https://doi.org/10.1007/s10800-021-01533-5
Autor:
José E. Spinelli, Paulo Sergio Carvalho Pereira da Silva, Amauri Garcia, Leonardo Fernandes Gomes
Publikováno v:
Journal of Materials Engineering and Performance. 29:6849-6860
In recent years, new designing of components provided by electronics and automotive industries has required higher mechanical properties and electrical conductivity. Some of the examples are mobile phone frames, automotive powertrain components and n
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::79ec21b427501bc8354a9565891e3550
https://doi.org/10.1007/s11665-020-05141-w
https://doi.org/10.1007/s11665-020-05141-w
Publikováno v:
Journal of Manufacturing Processes. 54:14-18
Most of the secondary dendrite arm spacing (λ2) growth models existing in the literature deal with predictions for binary aluminum (Al) alloys. Only two solutions are available to estimate λ2 for chemistries of major alloying elements in Al alloys,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::aef21143eec7468df6e711fff341d334
https://doi.org/10.1016/j.jmapro.2020.02.047
https://doi.org/10.1016/j.jmapro.2020.02.047