Yttria stabilized zirconia GY3Z-R60 3mol% Y2O3 stabilized ZrO2 “Ready to Press” granules

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.