Properties of Al2O3/Ti/Ni Composite Obtained by Slip Casting with Different Metal Phase Content

This work analyzed ceramic-metal composites from the Al2O3/Ti/Ni system produced by the slip casting method. As starting powders, nanometric Al2O3, Ni and Ti of submicron size were used. Three series of composites were obtained and tested with the same solid phase content (50% vol.) and different me...

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Bibliographic Details
Published in:Materials 2022-09, Vol.15 (19), p.6514
Main Authors: Wachowski, Marcin, Zygmuntowicz, Justyna, Kosturek, Robert, Śnieżek, Lucjan, Piotrkiewicz, Paulina
Format: Article
Language:English
Subjects:
Alumina-Titanium
Aluminum
Aluminum oxide
Cermets
Corrosion resistance
Grinding tools
Heat resistance
Homogenization
Intermetallic compounds
Intermetallic phases
Manufacturing
Mechanical properties
Microstructural analysis
Nickel
Nickel compounds
Phase composition
Rheological properties
Sintering
Sintering (powder metallurgy)
Slip casting
Solid phases
Stability analysis
Titanium
Titanium compounds
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Summary:This work analyzed ceramic-metal composites from the Al2O3/Ti/Ni system produced by the slip casting method. As starting powders, nanometric Al2O3, Ni and Ti of submicron size were used. Three series of composites were obtained and tested with the same solid phase content (50% vol.) and different metallic phase content: 5, 10 and 15% vol. The influence of the metallic phase content on the basic properties of the proposed composites was examined by determining the phase composition of the produced samples using the XRD method, rheological measurements, and microstructural analysis (SEM/EDS). Additionally, before the sintering process, the slip stability was analyzed. A study of the fractography of samples after the sintering process was also carried out. It was shown that the appropriate manufacturing process allowed to obtain NiTi intermetallic phases in the structure of composites.
ISSN:1996-1944
1996-1944
DOI:10.3390/ma15196514