Search Results - "Escudeiro, A."

Sliding properties of Zr-DLC coatings: The effect of tribolayer formation by Vitu, T., Escudeiro, A., Polcar, T., Cavaleiro, A.

“…Amorphous carbon-based coatings (DLC) exhibit excellent mechanical and tribological properties such as high hardness, high elastic modulus, low friction and…”
Get full text

Influence of Ag content on mechanical and tribological behavior of DLC coatings by Manninen, N.K., Ribeiro, F., Escudeiro, A., Polcar, T., Carvalho, S., Cavaleiro, A.

“…Ag–DLC coatings with Ag contents ranging from 1.3at.% to 13.1at.% were deposited by DC magnetron sputtering. The coatings were characterized with respect to…”
Get full text

Analysis of the Robertsonian (1;29) fusion in Bovinae reveals a common mechanism: insights into its clinical occurrence and chromosomal evolution by Escudeiro, A., Adega, F., Robinson, T. J., Heslop-Harrison, J. S., Chaves, R.

“…The interest in Robertsonian fusion chromosomes (Rb fusions), sometimes referred to as Robertsonian translocations, derives from their impact on mammalian…”
Get full text

Structural and mechanical properties of nanocrystalline Zr co-sputtered a-C(:H) amorphous films by Escudeiro, A., Figueiredo, N.M., Polcar, T., Cavaleiro, A.

“…•The incorporation of Zr led to formation of nanocrystalline ZrC embedded into C-matrix.•The incorporation of Zr and H decreased the typical columnar…”
Get full text

a-C(:H) and a-C(:H)_Zr coatings deposited on biomedical Ti-based substrates: Tribological properties by Escudeiro, A., Polcar, T., Cavaleiro, A.

“…Amorphous carbon (a-C) based coatings are possible candidates as a surface treatment for various biocompatible materials used in medicine. In this study, the…”
Get full text

Tribological behavior of uncoated and DLC-coated CoCr and Ti-alloys in contact with UHMWPE and PEEK counterbodies by Escudeiro, A., Wimmer, M.A., Polcar, T., Cavaleiro, A.

“…There are very few studies of PEEK wearing against DLC. In this study, DLC and Zr-DLC coatings were deposited by magnetron sputtering onto Ti alloy substrates…”
Get full text

Adsorption of bovine serum albumin on Zr co-sputtered a-C(:H) films: Implication on wear behaviour by Escudeiro, A., Polcar, T., Cavaleiro, A.

“…The use of protective coatings in biomedical field is an ongoing scientific challenge. Among different materials, carbon-based coatings are considered a…”
Get full text

Bovine satellite DNAs - a history of the evolution of complexity and its impact in the Bovidae family by Escudeiro, A., Ferreira, D., Mendes-da-Silva, A., Heslop-Harrison, J. S., Adega, F., Chaves, R.

“…Despite the many questions regarding satellite DNA sequences and their cellular roles, the evolutionary history of eukaryotic genomes seems to have been…”
Get full text

Carbon-based coatings doped by copper: Tribological and mechanical behavior in olive oil lubrication by Balestra, R.M., Castro, A.M.G., Evaristo, M., Escudeiro, A., Mutafov, Petr, Polcar, T., Cavaleiro, A.

“…We deposited C-based films doped with Cu and tested their sliding properties in olive oil as environment-friendly lubricant, which can be used in many…”
Get full text

The role of hcp-AlN on hardness behavior of Ti1−xAlxN nanocomposite during annealing by Escudeiro Santana, A, Karimi, A, Derflinger, V H, Schutze, A

“…This paper deals with the role of hcp--AlN on the thermal stability and hardness variation of Ti1--xAlxN thin films after annealing. In terms of phase…”
Get full text

Vacuum properties of TiZrV non-evaporable getter films by Benvenuti, C, Chiggiato, P, Costa Pinto, P, Escudeiro Santana, A, Hedley, T, Mongelluzzo, A, Ruzinov, V, Wevers, I

“…Sputter-deposited thin films of TiZrV are fully activated after 24 h “in situ” heating at 180°C. This activation temperature is the lowest of some 18 different…”
Get full text

Relating hardness-curve shapes with deformation mechanisms in TiAlN thin films enduring indentation by Santana, A. Escudeiro, Karimi, A., Derflinger, V.H., Schütze, A.

“…In this paper, we report the effect of structure and morphology on the depth-sensing hardness of titanium aluminium nitride (TiAlN) films. Nanocomposite…”
Get full text

A novel route to extreme vacua: the non-evaporable getter thin film coatings by Benvenuti, C., Cazeneuve, J.M., Chiggiato, P., Cicoira, F., Escudeiro Santana, A., Johanek, V., Ruzinov, V., Fraxedas, J.

“…Vacuum chambers sputter-coated with a thin film (∼1.5 μm) of a getter material, and subsequently exposed to ambient air, have been found to recover a pumping…”
Get full text

AFM of ion-etched cross-sections: a method for analysing the morphology of dense hard coatings by Jobin, M., Burdet, B., Escudeiro Santana, A., Bergmann, E.

“…An ion-milling-based sample preparation is described, which reveals the morphology of nanocrystalline hard coatings. The method has been successfully used for…”
Get full text

Ultimate pressures achieved in TiZrV sputter-coated vacuum chambers by Benvenuti, C, Escudeiro Santana, A, Ruzinov, V

“…Two metre long, cylindrical vacuum chambers of diameter ranging from 34 to 100 mm, coated with TiZrV getter films by sputtering, have been baked for about 24 h…”
Get full text

Corrigendum to “a-C(:H) and a-C(:H)_Zr coatings deposited on biomedical Ti-based substrates: Tribological properties” [Thin Solid Films 538 (2013) 89–96] by Escudeiro, A., Polcar, T., Cavaleiro, A.

Get full text

The role of hcp-AlN on hardness behavior of Ti 1− x Al x N nanocomposite during annealing by Escudeiro Santana, A., Karimi, A., Derflinger, V.H., Schütze, A.

“…This paper deals with the role of hcp-AlN on the thermal stability and hardness variation of Ti 1− x Al x N thin films after annealing. In terms of phase…”
Get full text

The role of hcp-AlN on hardness behavior of Ti1-xAlxN nanocomposite during annealing by ESCUDEIRO SANTANA, A, KARIMI, A, DERFLINGER, V. H, SCHUTZE, A

Get full text

AFM of ion-etched cross-sections : a method for analysing the morphology of dense hard coatings by JOBIN, M, BURDET, B, ESCUDEIRO SANTANA, A, BERGMANN, E

Get full text