Zobrazeno 1 - 9
of 9
pro vyhledávání: '"José D. Costa"'
Publikováno v:
Applied Sciences, Vol 11, Iss 24, p 11939 (2021)
This paper studies the effect of seawater immersion on the fatigue behavior of notched carbon/epoxy laminates. Rectangular cross-section specimens with a central hole were immersed in natural and artificial seawater for different immersion times (0,
Externí odkaz:
https://doaj.org/article/7f775ee11e9042a5ae1e359fd98e12be
Publikováno v:
Materials, Vol 14, Iss 20, p 6020 (2021)
In the current investigation, the influence of the tool geometry, the position of the materials in the joint, the welding speed on the temperature and torque developed, and on the quality of the welds in dissimilar and tri-dissimilar T joints were an
Externí odkaz:
https://doaj.org/article/3a02ee0184ac46989b762479c49adfb8
Publikováno v:
Materials, Vol 14, Iss 4, p 737 (2021)
Selective laser melting (SLM) is an additive manufacturing process for producing metallic components with complex geometries. A drawback of this process is the process-inherent poor surface finish, which is highly detrimental in materials submitted t
Externí odkaz:
https://doaj.org/article/dfa4313dcd8a4d0d978ed6b236b3c7b6
Nugget Formation and Mechanical Behaviour of Friction Stir Welds of Three Dissimilar Aluminum Alloys
Publikováno v:
Materials, Vol 13, Iss 11, p 2664 (2020)
The aim of this research was to investigate the influence of the properties of the base materials and welding speed on the morphology and mechanical behavior of the friction stir welds of three dissimilar aluminum alloys in a T-joint configuration. T
Externí odkaz:
https://doaj.org/article/3c6b0239f72448f7afe414ab2c1cb8ea
Publikováno v:
Applied Sciences, Vol 8, Iss 10, p 1879 (2018)
Selective Laser Melting (SLM) is currently one of the more advanced manufacturing and prototyping processes, allowing the 3D-printing of complex parts through the layer-by-layer deposition of powder materials melted by laser. This work concerns the s
Externí odkaz:
https://doaj.org/article/02b4ba93f887482d9aeb732f4e9b22d2
Publikováno v:
Procedia Structural Integrity. 42:1054-1060
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6b89b349af5b80cd06e3338464d29454
https://doi.org/10.1016/j.prostr.2022.12.133
https://doi.org/10.1016/j.prostr.2022.12.133
Autor:
José D. Costa, Paula Quitério, Arlete Apolinário, Célia T. Sousa, João Azevedo, João Ventura, Luísa Andrade, Adélio Mendes, João P. Araújo
Publikováno v:
Repositório Científico de Acesso Aberto de Portugal
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP
In an industrial context, the re-utilization of resources is very important to monetize processes, reducingthe production costs without overlooking a proper performance of the devices. For specific applicationssuch as dye-sensitized solar cells (DSC)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::6ab8d020f90a74f144cf6ce955c429d0
https://hdl.handle.net/10216/103532
https://hdl.handle.net/10216/103532
Autor:
Piotr Gnacinski, Janusz Mindykowski, Marcin Peplinski, Tomasz Tarasiuk, Jose D. Costa, Mario Assuncao, Luis Silveira, Vadym Zakharchenko, Alla Drankova, Mykola Mukha, Xiao-Yan Xu
Publikováno v:
IEEE Access, Vol 8, Pp 75043-75059 (2020)
The reduction of greenhouse gas emissions is a major contemporary challenge. This has prompted the requirements concerning energy efficiency for ships, among other things. Improvement in efficiency of ship operations could be achieved by reducing unn
Externí odkaz:
https://doaj.org/article/2c73c9b2195c437cbe88ea753e3c6757
Effects of ethephon and urea on ripening of fruits and leaf abscission of coffee (Coffea arábica L.)
Publikováno v:
Anais da Escola Superior de Agricultura Luiz de Queiroz; v. 38 n. 1 (1981); 281-288
Anais da Escola Superior de Agricultura Luiz de Queiroz
Escola Superior de Agricultura Luiz de Queiroz (ESALQ-USP)
instacron:USP
Anais da Escola Superior de Agricultura Luiz de Queiroz, Volume: 38, Issue: 1, Pages: 281-288, Published: 1981
Anais da Escola Superior de Agricultura Luiz de Queiroz
Escola Superior de Agricultura Luiz de Queiroz (ESALQ-USP)
instacron:USP
Anais da Escola Superior de Agricultura Luiz de Queiroz, Volume: 38, Issue: 1, Pages: 281-288, Published: 1981
A field experiment was carried out to investigate the effects of ethephon and urea on ripening of fruits and leaf abscission of coffee plant. Ethephon (2-chloroethane phosphonic acid) sprays were applied to green Coffea arábica berries 26 days befor
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a3f48d204a2536830b9ae4a5b9ec2a0e
https://www.revistas.usp.br/aesalq/article/view/16506
https://www.revistas.usp.br/aesalq/article/view/16506