技术数据
氧化铝

Alumina image

氧化铝(氧化铝,Al2O3)是最常用的工业陶瓷材料,氧化铝具有优良的物理化学性能和高性价比。氧化铝陶瓷通常根据其氧化铝含量从80%到99.9%或99.9%以上进行细分。越高纯度的氧化铝会表现出更强的耐磨性和耐腐蚀性。

氧化铝既可用于一般的用途,也可用于一些特殊领域,客户需根据自身产品的性能及要求来选择一个合适的纯度来适应最终产品的工作环境。氧化铝的成分或微粒结构是可以改变和配定的,因此可以满足不同客户特殊的要求和应用领域。

下载数据表
CAPA95 CAPA97 CAPA99 CAPA995 CAPA997 CAPA998
UNITS 95瓷 97瓷 99瓷 995瓷 997瓷 998瓷
密度 G/CM3 3.7 3.8 3.88 3.9 3.9 3.9
吸收率 0 0 0 0 0 0
颜色 白色 白色 米白色 象牙色 象牙色 象牙色
特性综述
  • 适用性广
  • 耐磨性
  • 绝缘性
  • 介电强度
  • 低介电损耗
机械性能 维氏强度 GPa 13.0 14.0 15.5 16.0 17.2 17.2
弯曲强度
MPa 320 350 350 370 380 380
抗压强度 MPa 1960 2200 2250 2300 2350 2350
杨氏模量 GPa 310 320 350 360 360 360
泊松比 - 0.23 0.23 0.23 0.23 0.23 0.23
断裂韧性     Mpa・m1/2 3 - 4 3 - 4 3 - 4 4 - 5 4 - 5 4 - 5
热性能 热膨胀系数 20-800℃ 1x10-6/℃ 7.2 7.2 7.3 7.3 7.3 7.2
导热性 20℃ W/(m.K) 22 24 27 28 30 30
最高使用温度
1600 1600 1650 1700 1700 1700
比热容 J/(g.K) 0.78 0.78 0.79 0.78 0.79 0.78
耐热冲击性 200 200 200 200 200 200
电性能 介电强度 kV/mm 15 15 15 15 15 15
体积电阻率 20℃ Ω.cm >1014 >1014 >1014 >1014 >1014 >1014
300℃ 1012 1012 1012 1012 1012 1012
*以上数值可能会因产品配置和制造过程而有所不同,仅供参考。


CAPA-Y-ZrO
UNITS YTTRIA-STABLIZED ZIRCONIA
Density G/CM3 6
Water Absorption 0
Color White
Main Characteristics
  • Toughness
  • Mechanical Strength
  • High Heat Resistance
  • Corrosion Resistance
Mechanical Characteristics Vicker Hardness (Load 500g) GPa 12.7
Flexural Strength MOR(20℃) MPa 1000
Compressive Strength MPa 5000
Young's Modulus of Elasticity GPa 220
Possion Ratio - 0.31
Fracture Toughness Mpa・m1/2 4 - 5
Thermal Characteristics Coefficient of Linear Thermal Expansion 40-800℃ 1x10-6 /℃ 11.0
Thermal Conductivity 20℃ W/(m.K) 3
Specific Heat J/(g.K) 0.46
Heat Shock Resistance(Put in water) -
Electrical Characteristics Dielectric Strength kV/mm 11.0
Volume Resistivity 20℃ Ω.cm 1013
300℃ 106
*The values are typical material properties and may vary according to products configuration and manufacturing process.
CAPA-Mg-ZrO
UNITS MAGNESIUM-STABLIZED ZIRCONIA
Density G/CM3 5.8
Water Absorption 0
Color Beige
Main Characteristics

Mechanical Characteristics Vicker Hardness (Load 500g) GPa 12.0
Flexural Strength MOR(20℃) MPa 545
Compressive Strength MPa 2400
Young's Modulus of Elasticity GPa
Possion Ratio -
Fracture Toughness Mpa・m1/2 6.0
Thermal Characteristics Coefficient of Linear Thermal Expansion 40-800℃ 1x10-6/℃ 10.2
Thermal Conductivity 20℃ W/(m.K) 2.2
Specific Heat J/(g.K)
Heat Shock Resistance(Put in water) -
Electrical Characteristics Dielectric Strength kV/mm
Volume Resistivity 20℃ Ω.cm 1014
300℃
*The values are typical material properties and may vary according to products configuration and manufacturing process.
CAPA-SSiC
UNITS SILICON CARBIDE SSIC
Density G/CM3 3.2
Water Absorption 0
Color Black
Main Characteristics
  • Hardness
  • Wear Resistant
  • Mechanical strength
  • Light Weight
Mechanical Characteristics Vicker Hardness (Load 500g) GPa 23
Flexural Strength MOR(20℃) MPa 540
Compressive Strength MPa -
Young's Modulus of Elasticity GPa 440
Possion Ratio - 0.17
Fracture Toughness Mpa・m1/2 4 - 5
Thermal Characteristics Coefficient of Linear Thermal Expansion 40-800℃ 1x10-6 /℃ 3.7 - 4.4
Thermal Conductivity 20℃ W/(m.K) 60
Specific Heat J/(g.K) 0.67
Heat Shock Resistance(Put in water) -
Electrical Characteristics Dielectric Strength kV/mm -
Volume Resistivity 20℃ Ω.cm 105
300℃ 104
*The values are typical material properties and may vary according to products configuration and manufacturing process.
CAPA-RBSiC
UNITS REACTION BONDED SILICON CARBIDE
Density G/CM3 3.2
Water Absorption 0
Color Black
Main Characteristics
  • Hardness
  • Wear Resistant
  • Mechanical strength
  • Light Weight
Mechanical Characteristics Vicker Hardness (Load 500g) GPa 22
Flexural Strength MOR(20℃) MPa 450
Compressive Strength MPa -
Young's Modulus of Elasticity GPa 430
Possion Ratio - 0.16
Fracture Toughness Mpa・m1/2 4 - 5
Thermal Characteristics Coefficient of Linear Thermal Expansion 40-800℃ 1x10-6 /℃ 3.7 - 4.4
Thermal Conductivity 20℃ W/(m.K) 60
Specific Heat J/(g.K) 0.67
Heat Shock Resistance(Put in water) -
Electrical Characteristics Dielectric Strength kV/mm -
Volume Resistivity 20℃ Ω.cm
300℃
*The values are typical material properties and may vary according to products configuration and manufacturing process.
CAPA-SIN
UNITS SILICON NITRIDE
Density G/CM3 3.2
Water Absorption 0
Color Black
Main Characteristics
  • High toughness
  • Thermal shock resistant
  • Tight tolerances
Mechanical Characteristics Vicker Hardness (Load 500g) GPa 13.9
Flexural Strength MOR(20℃) MPa 580
Compressive Strength MPa -
Young's Modulus of Elasticity GPa 290
Possion Ratio - 0.28
Fracture Toughness Mpa・m1/2 4 - 5
Thermal Characteristics Coefficient of Linear Thermal Expansion 40-800℃ 1x10-6 /℃ 2.4 - 3.2
Thermal Conductivity 20℃ W/(m.K) 25
Specific Heat J/(g.K) 0.64
Heat Shock Resistance(Put in water) -
Electrical Characteristics Dielectric Strength kV/mm 12
Volume Resistivity 20℃ Ω.cm >1014
300℃ 1012
*The values are typical material properties and may vary according to products configuration and manufacturing process.
CAPA-AlN
UNITS SILICON NITRIDE
Density G/CM3 3.2
Water Absorption 0
Color Gray
Main Characteristics
  • Thermally stable
  • Electrical resistivity
Mechanical Characteristics Vicker Hardness (Load 500g) GPa 10.4
Flexural Strength MOR(20℃) MPa 350
Compressive Strength MPa -
Young's Modulus of Elasticity GPa 310
Possion Ratio - 0.24
Fracture Toughness Mpa・m1/2 -
Thermal Characteristics Coefficient of Linear Thermal Expansion 40-800℃ 1x10-6 /℃ 4.6
Thermal Conductivity 20℃ W/(m.K) 140
Specific Heat J/(g.K) 0.738
Heat Shock Resistance(Put in water) -
Electrical Characteristics Dielectric Strength kV/mm 25
Volume Resistivity 20℃ Ω.cm 1012
300℃
*The values are typical material properties and may vary according to products configuration and manufacturing process.
CAPA-STE
UNITS STEATITE
Density G/CM3 2.8
Water Absorption 0
Color White
Main Characteristics
  • Excellent dielectric strength
  • Good dielectric loss
Mechanical Characteristics Vicker Hardness (Load 500g) GPa 5.8
Flexural Strength MOR(20℃) MPa 140 - 160
Compressive Strength MPa -
Young's Modulus of Elasticity GPa 120
Possion Ratio - 0.22
Fracture Toughness Mpa・m1/2 -
Thermal Characteristics Coefficient of Linear Thermal Expansion 40-800℃ 1x10-6 /℃ 7.7 - 10.0
Thermal Conductivity 20℃ W/(m.K) 2.0 - 3.0
Specific Heat J/(g.K)
Heat Shock Resistance(Put in water) 250
Electrical Characteristics Dielectric Strength kV/mm
Volume Resistivity 20℃ Ω.cm
300℃
*The values are typical material properties and may vary according to products configuration and manufacturing process.
CAPA-CODI
UNITS CORDIERITE
Density G/CM3 2.3
Water Absorption 0
Color Gray
Main Characteristics
  • Excellent thermal shock resistance
  • Heat resistance
  • Low thermal expansion
Mechanical Characteristics Vicker Hardness (Load 500g) GPa -
Flexural Strength MOR(20℃) MPa 30
Compressive Strength MPa -
Young's Modulus of Elasticity GPa 140
Possion Ratio - 0.31
Fracture Toughness Mpa・m1/2 -
Thermal Characteristics Coefficient of Linear Thermal Expansion 40-800℃ 1x10-6 /℃ <0.2(22-23℃)
Thermal Conductivity 20℃ W/(m.K) 2.0 - 3.0
Specific Heat J/(g.K) 0.71
Heat Shock Resistance(Put in water) 1000
Electrical Characteristics Dielectric Strength kV/mm 19.1
Volume Resistivity 20℃ Ω.cm >1014
300℃ 1012
*The values are typical material properties and may vary according to products configuration and manufacturing process.

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