Zobrazeno 1 - 10
of 69
pro vyhledávání: '"Jhon J Olaya"'
Publikováno v:
Revista Técnica de la Facultad de Ingeniería, Vol 36, Iss 1, Pp 23-31
El propósito de este trabajo es investigar la influencia de las condiciones del tratamiento térmico de temple y revenido sobre las propiedades mecánicas de dureza, tenacidad y resistencia mecánica del acero 5160H. Para tal fin, se variaron la com
Externí odkaz:
https://doaj.org/article/dbc1036081c54bbd928447516a5bb533
Autor:
Héctor F. Rojas-Molano, Jhon J. Olaya-Flórez, María A. Guzmán-Pardo, José E. Alfonso-Orjuela, Néstor E. Mendieta-Reyes
Publikováno v:
Materials, Vol 16, Iss 11, p 4182 (2023)
In this study, FeCrMoNbB (140MXC) and FeCMnSi (530AS) coatings were simultaneously projected on the substrate AISI-SAE 4340 using the electric wire arc spraying technique. The projection parameters, such as current (I), voltage (V), primary air press
Externí odkaz:
https://doaj.org/article/f570646e0c2b49ff86b517b3051bb765
Autor:
Mendieta-Reyes, Héctor F. Rojas-Molano, Jhon J. Olaya-Flórez, María A. Guzmán-Pardo, José E. Alfonso-Orjuela, Néstor E.
Publikováno v:
Materials; Volume 16; Issue 11; Pages: 4182
In this study, FeCrMoNbB (140MXC) and FeCMnSi (530AS) coatings were simultaneously projected on the substrate AISI-SAE 4340 using the electric wire arc spraying technique. The projection parameters, such as current (I), voltage (V), primary air press
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=multidiscipl::e73dc5e1598b031774c9df3df47669ad
Autor:
Elisabeth Restrepo-Parra, Mauricio Arroyave-Franco, Andrés Pardo-Trujillo, Jhon J Olaya, D. Escobar, Rogelio Ospina, Maria J. Rivera-Chaverra
Publikováno v:
Surface and Interface Analysis. 53:946-955
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b58e9da1a22ad89d88c10fdac5df0a2c
https://doi.org/10.1002/sia.6997
https://doi.org/10.1002/sia.6997
Publikováno v:
Materials, Vol 7, Iss 5, Pp 3427-3434 (2014)
The aim of this work is to assess the evolution of the structural and optical properties of BixTiyOz films grown by rf magnetron sputtering upon post-deposition annealing treatments in order to obtain good quality films with large grain size, low def
Externí odkaz:
https://doaj.org/article/1390bf5a07474fde906e5a0725a2c196
Publikováno v:
Ceramics International. 47:7497-7503
This article presents nanohardness, coefficient of friction (COF), and wear of Yttria-stabilized zirconia coatings (YSZ) deposited on 316L steel substrates and co-deposited with Al and Ag. YSZ coatings were deposited via RF sputtering reactive phase
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::97eb44dcf2d4d97dd3855b0442853944
https://doi.org/10.1016/j.ceramint.2020.11.089
https://doi.org/10.1016/j.ceramint.2020.11.089
Publikováno v:
Coatings; Volume 12; Issue 6; Pages: 754
The formation of nanostructured transition metal nitride coatings by introducing a small amount of silver (Ag) content has been proven to be a good strategy for enhancing the physical properties of these materials. In this investigation, ZrN coatings
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0e01a0f3288f2f5ddfb2dfd29eb81609
Publikováno v:
Materials, Vol 6, Iss 10, Pp 4441-4449 (2013)
The applications of Bismuth Titanate (BixTiyOz) materials have been focused on their electronic and optical properties, but with respect to the use of these compounds in applications like corrosion resistance, have been very few or nonexistent. For t
Externí odkaz:
https://doaj.org/article/75aed2996dfe456591c1104f11341f45
Autor:
D. Escobar, Jhon J Olaya, Rogelio Ospina, Elisabeth Restrepo-Parra, J. H. Quintero, R. F. Londono-Menjura
Publikováno v:
Journal of Materials Engineering and Performance. 29:5203-5213
In this work, WTiN thin films were produced on silicon substrates using the DC magnetron sputtering technique varying the working pressure and keeping the power constant at 90 W and conducting the process at room temperature. The structure and morpho
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ebc2bddf4c6813731d968a293121679d
https://doi.org/10.1007/s11665-020-05031-1
https://doi.org/10.1007/s11665-020-05031-1
Publikováno v:
Ceramics International. 45:17363-17375
TiWSixN films were deposited using a magnetron co-sputtering system on silicon (111), 316L stainless steel, and M2 high-speed steel substrates. The silicon target current density was varied from 0 mA/cm2 to 4.32 mA/cm2 in order to modify the Si conte
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::da897b1803aacdd0cd473ed9aa1ec21d
https://doi.org/10.1016/j.ceramint.2019.05.295
https://doi.org/10.1016/j.ceramint.2019.05.295