Temat: EDS, - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Obtaining and Analyzing the Al2O3-ZrO2 Ceramic Layers on Metallic Substrate
Autorzy:: Lutcanu, Marian
Coteață, Margareta
Bernevig, Mihai Adrian
Nechifor, Cristina-Delia
Cazacu, Marius Mihai
Paraschiv, Petronela
Istrate, Bogdan
Bădărău, Gheorghe
Sandu, Ioan Gabriel
Cimpoeșu, Nicanor
Powiązania:: https://bibliotekanauki.pl/articles/2106593.pdf
Data publikacji:: 2022
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: ceramic layer
atmospheric plasma spraying
SEM
EDS
Opis:: In this case ceramic layers from Metco ZrO2 and Al2O3 powders mixture (25/75; 50/50 and 75/25) were obtained through atmospheric plasma spraying (APS) after five passes on low carbon steel substrate. The sample surfaces mechanically grinded (160-2400) before and after ceramic layer deposition. Powder’s mixtures and the surface of ceramic thin layers were analyzed through: scanning electron microscopy (SEM). In order to understand the effect of surface wettability of the ceramic layers, before and after grinding the surface, three different liquids were used. Experimental results confirm the modification of the steel substrate surface characteristic from hydrophilic to hydrophobic when the ceramic layer was deposited. Surface free energy of hydration increases for all the samples with zirconia percentage addition before polishing process.
Źródło:: Archives of Metallurgy and Materials; 2022, 67, 2; 479--485
1733-3490
Pojawia się w:: Archives of Metallurgy and Materials
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Obtaining and Analysis of a New Aluminium Bronze Material Using Induction Furnace
Autorzy:: Chelariu, Romeo Gabriel
Cimpoeșu, Nicanor
Birnoveanu, Teodora Irina
Istrate, Bogdan
Baciu, Constantin
Bejinariu, Costica
Powiązania:: https://bibliotekanauki.pl/articles/2174552.pdf
Data publikacji:: 2022
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: aluminum bronze
non-sparking alloy
SEM
EDS
Tafel
Opis:: Copper-based alloys with the addition of Al present excellent properties and can be considered a proper choice for applications as contact materials based on their good strength and fret resistance. Cu-Al alloys are used in different systems parts as bearings, gears and worm gears. The intention is to replace steel materials with new copper-based materials for parts that work in a possible explosive environment to reduce the possibility of spark appearance. Copper-berilyum alloys are known as non-sparking alloys and are used in different tools obtaining for environments with possible explosive gaseous. Results from the obtaining and analysis of a new alloy based on CuAlBe are given. The material was melted in a vacuum induction furnace from CuBe master alloy and high purity aluminium and cast into a metallic die. The alloys obtained were analyzed using EDS - energy dispersive spectroscopy for chemical composition, OM-optical and SEM-electronic microscopy for the microstructure, and the electro-corrosion resistance was tested using linear Tafel diagram and cyclic potentiometry.
Źródło:: Archives of Metallurgy and Materials; 2022, 67, 4; 1251--1257
1733-3490
Pojawia się w:: Archives of Metallurgy and Materials
Dostawca treści:: Biblioteka Nauki

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