Zobrazeno 1 - 10
of 25
pro vyhledávání: '"J. J. Olaya"'
Publikováno v:
Crystals, Vol 13, Iss 12, p 1666 (2023)
In this work, nanostructured TiAlCrN coatings were deposited on a WC-Co substrate using a co-sputtering process varying the silicon composition on the coatings. The influence of silicon content on the mechanical, chemical, and tribological performanc
Externí odkaz:
https://doaj.org/article/83c0972be21646b3b7fc0a68047bda4e
Publikováno v:
Advances in Tribology, Vol 2021 (2021)
The tribological behavior of Ni-based WC-Co coatings is analyzed. The coatings were deposited on gray cast iron substrates in a spray and fuse process using SuperJet Eutalloy deposition equipment, varying the oxygen flow conditions in the flame. The
Externí odkaz:
https://doaj.org/article/676f7ce921204733963942612267b52c
Publikováno v:
Revista de Metalurgia, Vol 49, Iss 5, Pp 360-368 (2013)
Mediante proyección térmica de arco eléctrico fueron depositados tres materiales comercialmente conocidos como: 140MXC (a base de hierro, wolframio, cromo y niobio), 530AS (acero AISI 1020) y 560AS (acero AISI 420), sobre acero AISI 4340. Con el o
Externí odkaz:
https://doaj.org/article/aff907ce3b784ecba5e13ba6f5fe01dc
Autor:
H. Cifuentes, J. J. Olaya
Publikováno v:
Revista Ingenierías Universidad de Medellín, Vol 12, Iss 22, Pp 157-168 (2013)
In this scientific research paper, the microstructure and corrosion resistance of chromium nitrides obtained from a duplex treatment consisting of an electroplated hard chromium coating applied on a steel AISI H13 follow by a thermochemical treatment
Externí odkaz:
https://doaj.org/article/6c71c29bf5754517ac42542a5a72f02e
Publikováno v:
Momento, Vol 0, Iss 36, Pp 34-45 (2008)
Digital image processing techniques have been widely used for studying morphological properties of many diferent images, such as medical, satellite and materials images. In this work the study of morphological properties of niobium nitride (NbN), tan
Externí odkaz:
https://doaj.org/article/9061e1f1020a4ae3b1280de887cee68d
Autor:
J. J. Olaya
Publikováno v:
Momento, Vol 0, Iss 35, Pp 37-53 (2007)
The microstructure of transition metallic nitride coatings is determined by the deposit parameters, which include the substrate temperature, work pressure, partial pressure of nitrogen, discharge power, substrate polarization and the ion to atom flux
Externí odkaz:
https://doaj.org/article/7115a4a8caf5470f82044bfcc6a650f8
Publikováno v:
Ceramics International. 45:566-572
We present results for the deposition of coatings of zirconium stabilized with Yttria (YSZ) and doped with aluminum and silver. The coatings were grown from an YSZ ceramic target symmetrically covered with metallic (Al, Ag) pieces on AISI 316L steel
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4e77127db8dd00d3b6caddd04ccd7410
https://doi.org/10.1016/j.ceramint.2018.09.209
https://doi.org/10.1016/j.ceramint.2018.09.209
Publikováno v:
Rasayan Journal of Chemistry. 11:597-607
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8831e22e6941ce309b8907084894ba66
https://doi.org/10.31788/rjc.2018.1122075
https://doi.org/10.31788/rjc.2018.1122075
Publikováno v:
Materials Research Express. 8:056404
Cu-Al-N thin films were deposited by means of the unbalanced magnetron cosputtering technique, varying the pulsed DC source power that is associated with the aluminum target. The structural characterization, done through x ray difraction (XRD) and tr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::90410424da8a1bb99c7d45b54788da05
https://doi.org/10.1088/2053-1591/ac017c
https://doi.org/10.1088/2053-1591/ac017c
Publikováno v:
Journal of Physics: Conference Series. 1386:012018
Chromium silicon nitride coatings were deposited via physical vapor deposition using a reactive sputtering magnetron, on steel specimens, with a chromium silicate target, purity of 99.5% and argon/nitrogen gas ratio (%) of 80/20. The coating characte
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3f1910817ccc7919c62d7abeb9e65e0f
https://doi.org/10.1088/1742-6596/1386/1/012018
https://doi.org/10.1088/1742-6596/1386/1/012018