Dilatrometric sintering study and characterization of alumina-nickel composites
PBN-AR
Instytucja
Wydział Inżynierii Materiałowej (Politechnika Warszawska)
Informacje podstawowe
Główny język publikacji
en
Czasopismo
Processing and Application of Ceramics (30pkt w roku publikacji)
ISSN
1820-6131
EISSN
2406-1034
Wydawca
Univerzitet u Novom Sadu - Tehnoloski Fakultet
DOI
Rok publikacji
2018
Numer zeszytu
2
Strony od-do
111-117
Numer tomu
12
Identyfikator DOI
Liczba arkuszy
0.5
Autorzy
Pozostali autorzy
+ 1
Słowa kluczowe
en
Al2O3/Ni composites
slip casting
structural characterization
mechanical properties
Streszczenia
Język
en
Treść
Alumina-nickel composite samples (with 0, 10 and 20 vol.% of Ni) are prepared via slip casting method. Nickel and aluminium oxide powders were used as precursors and diammonium hydrocitrate and citric acid were used as dispersants. The obtained materials were analysed by dilatometry, X-ray diffraction and SEM. The densities were measured by Archimedes method and the hardness and fracture toughness were determined by using Vickers hardness tester. Special attention was paid to the linear shrinkage and the effective coefficient of thermal expansion measurements. The shrinkage curves were obtained by dilatometry test in a heating mode. It was shown that the increased amount of Ni particles in Al2O3-Ni composite structure causes reduction of starting densification temperature, increasing temperature of maximum densification and decreasing total shrinkage of the sample during sintering.
Inne
System-identifier
WUT9474dfa3e2a04c60b7e76d63b06ef458
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