Full-text resources of PSJD and other databases are now available in the new Library of Science.
Visit https://bibliotekanauki.pl
Preferences help
Polish version English version Language
enabled [disable] Abstract
Number of results

Results found: 4

Number of results on page
first rewind previous Page / 1 next fast forward last

Search results

help Sort By:

help Limit search:
first rewind previous Page / 1 next fast forward last
1
Content available remote

Diffractometric examination of the structure of heat-resisting steel-based coatings in different measurement geometries

100%
Kucharska B.
Open Physics
|
2011
|
vol. 9
|
issue 5
1294-1300
EN
Coatings of the composition of 310S heat-resisting steel dopped Al and Ir additions, deposited on a substrate of the same steel by the magnetron sputtering method, were examined. The measurements were made in the classical Bragg-Brentano geometry and by the GXRD method. With the fixed and different position of the coated sample by rotating the sample by angles ψ. The coating as deposited and after being soaked at 400°C for 15 minutes was subjected to examinations. The examination carried out have shown that coatings may have a unique, subtle structure which is metastable and undergoes irreversible changes in the temperatures up to 400°C. It has been found that in the outermost coating zones and zones closer to the substrate, areas occur in the coating structure, which have the different lattice parameter compared to the basic phase. Additionaly, the local period of the structure equal 5.9 nm was found.
2
Content available remote

Degradation of coatings based on 310S steel doped with Al and Ir additives by the scratch test

100%
Kucharska B.
Open Physics
|
2011
|
vol. 9
|
issue 4
1122-1130
EN
Mechanical tests of PVD coatings made on steel 310S were carried out within this study by the scratch test method. It was found that the additions of Al and Ir caused lower critical load values compared to the coating without additions. Despite the reduction of the critical load of the coating by the aluminium addition, the effect of aluminium was considered advantageous owing to the refinement of the structure causing the coating to become more plastic and reducing the number and sizes of micro-cracks. The addition of iridium results in an embrittlement of the coating structure and its poorer adhesion to the substrate. Comparison of the findings from the scratch test with the observations from an optical and a scanning microscopes was also made.
3
Content available remote

Erratum to: “Degradation of coatings based on 310S steel doped with Al and Ir additives by the scratch test” by Barbara Kucharska

100%
Kucharska B.
Open Physics
|
2011
|
vol. 9
|
issue 5
1379-1380
EN
The original version of the article was published in Central European Journal of Physics 9, 1122–1130 (2011), DOI: 10.2478/s11534-011-0005-8. Unfortunately, the original version of this article contains a mistake in Tab. 2. Here we display the corrected version of this table.
4
Content available remote

Characterization of the surface topography and nano-hardness of Cu/Ni multilayer structures

51%
Kulej E., Kucharska B., Pyka G., Gwoździk M.
Open Physics
|
2011
|
vol. 9
|
issue 6
1421-1425
EN
This article describes the results of a study of Cu/Ni multilayer coatings applied on a monocrystalline Si(100) silicon substrate by the deposition magnetron sputtering technique. Composed of 100 bilayers each, the multilayers were differentiated by the Ni sublayer thickness (1.2 to 3 nm), while maintaining the constant Cu sublayer thickness (2 nm). The multilayer coatings were characterized by assessing their surface topography using atomic force microscopy and their mechanical properties with nano-hardness measurements by the Berkovich method. The tests showed that the hardness of multilayers was substantially influenced by the thickness ratio of Cu and Ni sublayers and by surface roughness. The highest hardness and, at the same time, the lowest roughness was exhibited by a multilayer structure with a Cu-to-Ni sublayer thickness ratio of 2:1.5.
first rewind previous Page / 1 next fast forward last
JavaScript is turned off in your web browser. Turn it on to take full advantage of this site, then refresh the page.