Temat: Nanolayers - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: The kinetics of growth of high entropy alloy layers sputtered on Tungsten powder substrate
Autorzy:: Stefaniak, Agnieszka
Powiązania:: https://bibliotekanauki.pl/articles/1179528.pdf
Data publikacji:: 2017
Wydawca:: Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:: ICP analysis
high entropy alloy
magnetron sputtering
nanolayers
Opis:: Tungsten powder particles have been encapsulated with thin CrMnFeCoNi layers by magnetron sputtering method using high entropy alloy as a target. In the course of sputtering the powder surface has been periodically analyzed. The multimetallic coatings were being dissolved in 2 M HCl and the obtained solutions were analyzed by ICP method to determine Cr3+, Mn2+, Fe2+, Co2+ and Ni2+ ions concentration. The aim of the analysis was comparison of atomic proportions of the elements in the target and in obtained layer and indirect determining of the layer thickness.
Źródło:: World Scientific News; 2017, 76; 60-65
2392-2192
Pojawia się w:: World Scientific News
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: XPS Analysis of nanolayers obtained on AISI 316L SS after Magnetoelectropolishing
Autorzy:: Rokosz, Krzysztof
Hryniewicz, Tadeusz
Powiązania:: https://bibliotekanauki.pl/articles/1192093.pdf
Data publikacji:: 2016
Wydawca:: Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:: XPS Analysis
Magnetoelectropolishing (MEP)
AISI 316L SS
Nanolayers
Opis:: In the present paper, the passive layers' chemical compositions of AISI 316L austenitic stainless steel samples after three treatments, such as mechanical/abrasive polishing (MP), standard electropolishing (EP) and magnetoelectropolishing (MEP) are displayed. For the surface studies after each treatment, XPS analysis was performed. It has been noted that after MP treatment the Cr/Fe ratio in the passive layer is the lowest and equals to about 1, whereas after the MEP it is close to 3. Additionally, it has to be reported that the passive layers after MP consist mainly of Cr2O3 and Fe2O3, after a standard EP treatment – of CrOOH and FeOOH, and after MEP – of Cr(OH)3 and FeOOH compounds. Concerning the surface layer compositions, in the passive layer formed after MP the detected iron consisted partly of Fe0 (46.5 at %) and partly of iron compounds Fe2+ and Fe3+ (53.5 at %), whereas the detected chromium consisted of Cr0 (16.5 at %) and mostly of chromium compounds Cr3+ (80.8 at%), with a small amount of Cr6+ (2.7 at %). In case of the nanolayer after EP treatment, the detected iron consisted of Fe0 (39.5 at %) and iron compounds Fe2+ and Fe3+ (60.5 at %), whereas the detected chromium consisted in a small amount of Cr0 (6.6 at %), and mostly chromium compounds Cr3+ (83.8 at %) with some Cr6+ (9.6 at %). The XPS analysis of nanolayer formed on AISI 316L after MEP indicates that the detected iron consisted partly of Fe0 (27.1 at %) and mostly of iron compounds Fe2+ and Fe3+ (72.9 at %) whereas the detected chromium contained Cr0 (18 at %) and chromium compounds of Cr3+ (76 at %) and Cr6+ (6 at %).
Źródło:: World Scientific News; 2016, 37; 232-248
2392-2192
Pojawia się w:: World Scientific News
Dostawca treści:: Biblioteka Nauki

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