Technical Data Sheet: Advanced Ceramic Type “KD”®

General Notes:

  • Zirconia Toughened Alumina (ZTA)
  • A superior combination of high strength (from zirconia), and high hardness (from alumina)
  • Relatively low density
  • No open porosity
  • Very hard surface, good abrasion and wear resistance
  • Good flexural strength and fracture toughness
  • Excellent thermal properties and high temperature stability
  • Extreme corrosion resistance, nearly chemically inert
  • ESD Safe Static Dissipative Material
  • Typical applications include Handling of EOS/ESD Sensitive Components and handling of components during thermal, chemical and soldering processes.  Generally used when very rigid tips are required.
Mechanical Properties
Flexural Modulus:380 GPa
Flexural Strength:500 MPa
Tensile Strength:450 MPa
Fracture Toughness:7.2 MPa.m1/2
Knoop Hardness:1750 kg/mm2
Thermal Properties
Thermal Conductivity:26 W/m.K
Coef. of Lin. Therm Expansion:8.0 E-6/°C25-1000°C
Continuous Use Temperature:1000°C20’000 h
Shock Resistance, Δ T:325°C
Electrical Properties
Surface Resistivity:Low Resistance Limit: 106 Ohm/high resistance limit: 108 Ohm at 50 and 100VLow Resistance Limit: 107 Ohm/high resistance limit: 109 Ohm at 10V
Decay Time:<0.5 Sec1000-10V
Other Properties
Density:4.30 g/ccm
Open Porosity:0.0%
Water Absorption0.0%
Color:Black

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