Back to Search
Start Over
Preparation and Performance of Al2O3/Ti(C,N)-Added ZrO2 Whisker and NanoCoated CaF2@Al(OH)3 Powder.
- Source :
- Applied Sciences (2076-3417); Jul2020, Vol. 10 Issue 13, p4435, 12p
- Publication Year :
- 2020
-
Abstract
- The Al<subscript>2</subscript>O<subscript>3</subscript>/Ti(C,N) ceramic material added micron ZrO<subscript>2</subscript> whisker and nano coated CaF<subscript>2</subscript>@Al(OH)<subscript>3</subscript> powder was fabricated. The micron ZrO<subscript>2</subscript> whisker was for the toughening and reinforcing phase and the nano coated CaF<subscript>2</subscript>@Al(OH)<subscript>3</subscript> powder was the lubricant. For obtaining a ceramic material with optimal comprehensive mechanical properties and friction properties, the influences of different compositions of the ZrO<subscript>2</subscript> whisker and nano coated CaF<subscript>2</subscript>@Al(OH)<subscript>3</subscript> powder on the microstructure and mechanical properties were analyzed, respectively. The result demonstrated that as the addition of the ZrO<subscript>2</subscript> whisker was 6 vol% and the addition of the nano coated CaF<subscript>2</subscript>@Al(OH)<subscript>3</subscript> powder was 10 vol%, the optimal self-lubricating ceramic material had optimal mechanical properties. The hardness of the ceramic material was 16.72 GPa, the flexural strength was 520 MPa and the fracture toughness reached 7.16 MPa·m<superscript>1/2</superscript>. The formation of the intragranular structure, whisker toughening and the phase transition of ZrO<subscript>2</subscript> were the main mechanisms. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 20763417
- Volume :
- 10
- Issue :
- 13
- Database :
- Complementary Index
- Journal :
- Applied Sciences (2076-3417)
- Publication Type :
- Academic Journal
- Accession number :
- 144874204
- Full Text :
- https://doi.org/10.3390/app10134435