Zobrazeno 1 - 10
of 14
pro vyhledávání: '"O. G. Rivera"'
Publikováno v:
Holos, Vol 4, Iss 0, Pp 31-45 (2018)
HOLOS; v. 4 (2018); 31-45
Holos
Instituto Federal do Rio Grande do Norte (IFRN)
instacron:IFRN
HOLOS; v. 4 (2018); 31-45
Holos
Instituto Federal do Rio Grande do Norte (IFRN)
instacron:IFRN
Estuda-se o uso de escória de cobre (CS) como agregado fino e substituto parcial do cimento na preparação de argamassas. Os resultados mostraram um aumento na resistência à compressão e à flexão em 3, 7 e 28 dias usando CS como agregado fino.
Autor:
Paul G. Allison, B.J. Phillips, J.B. Jordon, N. Hardwick, D.Z. Avery, O. G. Rivera, J. Su, C. J. T. Mason
Publikováno v:
JOM. 70:2475-2484
A transformative hybrid solid-state additive manufacturing process provides a new path to fabricate or repair components with wrought-like performance. In this work, the fatigue behavior of Inconel 625 (IN625) manufactured via a high-shear deposition
Autor:
J.B. Jordon, Lyan I. Garcia, Tian Liu, N. Hardwick, Paul G. Allison, Luke N. Brewer, J. Su, O. L. Rodriguez, Richard L. Martens, O. G. Rivera, C. J. T. Mason, Z. McClelland, Wilburn R. Whittington
Publikováno v:
Materials Science and Engineering: A. 724:547-558
Issues with rapid grain growth, hot cracking and poor ductility have hindered the additive manufacturing and repair of aluminum alloys. Therefore, this is the first investigation to spatially correlate the processing-structure-property relations of a
Autor:
Wilburn R. Whittington, O. G. Rivera, Haitham El Kadiri, Paul G. Allison, Mark E. Barkey, O. L. Rodriguez
Publikováno v:
Materials Science and Engineering: A. 713:125-133
The present experimental investigation lays the groundwork for coupling the plastic flow stresses of an Additive Manufactured (AM) Ti6Al4V with the corresponding strain hardening rate responses and fracture morphologies for this material at varying s
Autor:
J.B. Jordon, Richard L. Martens, N. Hardwick, O. L. Rodriguez, D.K. Francis, Paul G. Allison, Z. McClelland, Luke N. Brewer, J. Su, O. G. Rivera, Wilburn R. Whittington
Publikováno v:
Materials Science and Engineering: A. 694:1-9
Here we introduce a novel thermo-mechanical Solid State Additive Manufacturing (SSAM) process referred to as Additive Friction Stir (AFS) manufacturing that provides a new and alternative path to fusion-based additive manufacturing processes for deve
Publikováno v:
REM: International Engineering Journal, Vol 69, Iss 4, Pp 473-478
REM-International Engineering Journal, Volume: 69, Issue: 4, Pages: 473-478, Published: DEC 2016
REM-International Engineering Journal v.69 n.4 2016
REM-International Engineering Journal
Fundação Gorceix (FG)
instacron:FG
REM-International Engineering Journal, Volume: 69, Issue: 4, Pages: 473-478, Published: DEC 2016
REM-International Engineering Journal v.69 n.4 2016
REM-International Engineering Journal
Fundação Gorceix (FG)
instacron:FG
In order to determine the exploitation potentiality of a kaolin deposit from Atacama in the north of Chile, two types of kaolin (K-1 and K-2) were characterized by XRD, XRF, SEM/EDXS, size distribution, whiteness and DSC. Kaolinite, quartz, muscovite
Autor:
Wendy R. Long, E.R. Gore, O. G. Rivera, Paul G. Allison, Brett A. Williams, Kevin Torres-Cancel, Charles A. Weiss, Robert D. Moser
Publikováno v:
Cement and Concrete Research. 90:43-51
This research focused on developing thermally-stable materials based on alkali-activation of slag, fly ash, and metakaolin compared to portland cement mixtures by using a hierarchical approach to material design. At lower length scales, X-ray diffrac
Publikováno v:
Matéria (Rio de Janeiro) v.24 n.2 2019
Matéria (Rio de Janeiro. Online)
instacron:RLAM
Matéria (Rio de Janeiro), Volume: 24, Issue: 2, Article number: e12349, Published: 10 JUN 2019
Matéria (Rio de Janeiro. Online)
instacron:RLAM
Matéria (Rio de Janeiro), Volume: 24, Issue: 2, Article number: e12349, Published: 10 JUN 2019
The use of copper slag as a partial substitute for cement in mortar preparation was studied. Copper slag samples were collected from three dumps in the Atacama Region (Northern Chile). Mortars of 40x40x160 mm (width, height, length) and curing times
Autor:
J.B. Jordon, N. Hardwick, Paul G. Allison, C. J. T. Mason, O. G. Rivera, Z. B. McClelland, C. Leah, M. B. Williams, Richard L. Martens, D.Z. Avery
Publikováno v:
The Minerals, Metals & Materials Series ISBN: 9783030057886
In this work, microstructural characterization and mechanical properties are investigated for rare earth magnesium alloy, WE43, manufactured via a high-shear deposition process. The unique solid-state manufacturing process deposits feedstock via a ho
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::aba5f1ac9f3aaa9df4ce9155eece54f8
https://doi.org/10.1007/978-3-030-05789-3_41
https://doi.org/10.1007/978-3-030-05789-3_41
Publikováno v:
Ingeniería e Investigación, Volume: 41, Issue: 1, Article number: e205, Published: 14 APR 2021
Ingeniería e Investigación, Vol 41, Iss 1, Pp e84162-e84162 (2021)
Ingeniería e Investigación, Vol 41, Iss 1, Pp e84162-e84162 (2021)
Copper slag flotation was studied on an industrial scale at a concentrator plant in the region of Atacama, Chile. This study consisted of the physical, chemical, and mineralogical characterization of the copper slag, along with preliminary flotation