Chemical composition (wt%)
Y2O3 | Al2O3 a |
SiO2 b |
Na2O b | TiO2 b |
Fe2O3 b | L.O.I. c |
5,4 % | 0,25 % | < 0,02 | < 0,02 | < 0,005 | < 0,005 | 2,8 ± 0,3 % |
a: XRF method; b: ICP method; c: Loss On Ignition 20 → 100°C
Physical properties
Tetragonal phase a Specific surface area BET Granule median diameter D50 |
> 99 % 7±1 m2/g 60 µm |
a: after sintering at 1450°C for 2 hours
Ceramic properties a
Green density
Sintered density Strength: modulus of rupture b Hardness c: HV 0,3/15 Fracture toughness c: KIC |
3,0 g/cm3
6,05 g/cm3 1000 MPa 1250 HV 5,5 MPa.m1/2 |
a: uniaxial pressing at 100MPa / sintering 1450°C – 2hrs; b: 4-point bending strength (4,0 mm x 3,0 mm x 45 mm); c: micro-indentation
Main applications
■ advanced technical ceramics ■ dental ceramic standard grades
Benefits
- Excellent densification thanks to fine and homogeneous zirconia particles
- Advanced engineered binder system for easy pressing (uniaxial & isostatic)
- GY3R-R60 allows the manufacturing of ceramic parts with outstanding mechanical performance
All of the above data represent typical values which may vary for each shipment. Final users must practice their own tests to determine if product fits into requirements of the aim it is going to be used for.