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Home » Product Center » Zirconia Oxide Ceramics   
Zirconia Oxide Ceramics
   Item Name :

zro2 ceramic ring

zro2 ceramic ring
 
 
   Item No. : CS-315
   Product Category : Zirconia Oxide Ceramics
   Size : DIA:58mm*23mm*13.5mm
   Hits : 1165
   Chemical Analysis : ZrO=55%,SiO2=30%
 
   Introduction :

zro2 ceramic ring /manufacturer of zro2 ceramic ring-cs ceramic co.,ltd
 

high toughness ZrO2 ceramic ring,ZrO2 ceramic ring,zirconia ring,industrial ceramic ring

 

 

Features:

 

 

1.Zirconia ceramics have a martensite-type transformation mechanism of stress induction, giving the ability to absorb great amount of stress relative to other ceramics.

 

2.Zirconia (TZP) offers chemical and corrosion resistance to temperatures well above the melting point of Alumina.

In its pure form crystal structure changes limit mechanical applications, however stabilised Zirconias produced by addition of Calcium, Magnesium or Ytrium Oxides can produce very high strength, hardness and particularly toughness. In addition the material has low thermal conductivity and is an ionic conductor above 600ºC. This has lead to applications in oxygen sensors and high temperature fuel cells.

 

 

    ZTA
(TTZ)
YTZP
(Sintered)
Properties*    Units Test Zirconid-Toughened
Alumina
MgO Partially
Stabilized Zirconia
Y2O3 Partially
Stabilized Zirconia
Density    gm/cc ASTM-C20 4.01 5.72 6.02
Water Absorption   % ASTM-373 0 0 0
Color    color _ WHITE IVORY IVORY
Flexual Strength(MOR) 20°C Mpa(psix103) ASTM-F417 450(65) 900(130) 1240(180)
Elastic Modulus 20°C Gpa(psix106) ASTM-C848 360(52) 200(29) 210(30)
Poisson's Ratio    20°C _ ASTM-C848 0.23 0.30 0.23
Compressive Strength 20°C Mpa(psix103) ASTM-C773 2900(421) 1750(254) 2500(363)
Hardness  Gpa(kg/mm2) KNOOP 1000gm 14.4(1475) 11.8(1200) 12.7(1300)
R45N ROCKWELL 45N 85 77 81
Tensile Strength 25°C Mpa(psix103) ACMA TEST #4 290(42) 352(62) _
Fracture Toughness K(Ic) Mpa m1/2 NOTCHED BEAM 5-6 11 13
Thermal Conductivity 20°C W/m K ASTM-C408 27.0 2.2 2.2
Coefficient of Thermal Expansion 25-
1000°C
1x10-6/°C ASTM-C372 8.3 10.2 10.3
Specific Heat 100°C J/kg*K ASTM-E1269 885 400 400
Thermal Shock Resistance ΔTc °C NOTE3 500 800 50
Maximum Use Temperature   °C NO-LOAD COND. 1500 1500 300
Dielectric Strength   ac-Kv/mm(acV/mil) ASTM-D116 9.0(228) 9.4(240) 9.0(228)
Dielectric Constant 1MHz 25°C ASTM-D150 10.6 28.0 29.0
Dielectric Loss(tan delta) 1MHz 25°C ASTM-D150 0.0005 0.001 0.001
Volume Resistivity 25°C ohm-cm ASTM-D1829 >1014 >1013 >1013
  500°C ohm-cm ASTM-D1829 2x109 2x105 2x104
  1000°C ohm-cm ASTM-D1829 3x106 <103

Item

Material: ZrO2

Bearing Steel

Density (g/cm3)

6.05

7.85

ThermalExpan (10­-6/k)

10.5

12.5

Max Use Temperature °C

750

300

Water Absorption (%)

0

0

Corrosion Resistance

Excellent

Poor

Chemical Analysis

Element Compositions Crucible Backup
  3001 1651 2004 2290 1859 3001
SiO2 1.5 0.4 27.0 0.3 0.6 1.2
CaO 0.2 3.1 0.3 0.3 4.5 0.2
MgO 2.7 0.4 0.2 0.1 4.5 2.2
Fe2O3 0.1 0.1 0.2 0.1 0.2 0.2
Al2O3 0.8 0.4 0.5 0.3 0.25 0.7
TiO2 0.1 0.1 0.2 0.1 0.2 0.2
Y2O3 - - - - - - - - - 5.2 - - - - - -
ZrO2 94.6 95.5 71.6 93.6 89.75 95.3

Physical Properties

  Compositions Backup Sizing
  3001 1651 2004 2290 1859 3001
Density 4.6g/cc 4.2g/cc 3.6g/cc 4.5g/cc -8+100
Tyler
mesh
Size
-8+28
Tyler
mesh
Size
Porosity 18% 25% 16% 23%
MOR
@R.T.
3500psi 2400psi 4300psi 2400psi

Special offer:      Most of our crucibles are produced to order, please mark clearly height, bottom diameter, top diameter, wall thickness and any special requirements i.e. lips etc. To speed up quotations please supply a drawing and if appropriate, the name of the system in which they are to be used.

Please use the drawing below for reference when you Request A CS CERAMIC Quote.

 
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