Bearing Tips & Advice

HIP Ceramic vs GPS Ceramic

GPS HIP
Density g/cm3 3.25 3.25
Water Absorption % 0 0
Mechanical Characteristics Vickers Hardness (Load 500g) Gpa 14.5 15
Flexural Strength Mpa 700 1000
Compressive Strength Mpa 3200 3900
Young's Modulus of Elasticity Gpa 310 310
Poisson's Ratio - 0.28 0.28
Fracture Toughness Mpa·m1/2 6-7 7
Thermal Characteristics Coefficient of Linear Thermal Expansion 40~400°C *10-6/°C 3.5 3.5
Thermal Conductivity 20°C W/(m·K) 23 23
Electrical Characteristics Volume Resistivity 20°C Ω·cm ≥ 1014 ≥ 1014
Dielectric Constant(1MHz) - - -