Table 1: Physical parameters of materials of stator, rotary ring and their seats.

Item Material Modulus of elasticity E/MPa Poisson's
ratio
μ 		Coefficient of thermal conductivity
λ/W/(m·K)		 Linear expansion coefficient
a/(m/°C)		 Density
ρ/(kg/m3)		 Maximum permissible temperature
/°C		 Friction
Coefficient
f
Stator ring Feroform T12 300 0.48 0.5 70×10-6 1.32×103 120 0.05
Rotary ring Bronze 11.5×104 0.32 63.8 17.8×10-6 8.5×103 >120
Stator or rotary
ring seat		 C15 19.8×104 0.29 16.33 16.6×10-6 7.9×103 >120

The Physical parameters Feroform T12 is from “Design Machining and Installation Manual of Feroform Marine Bearing”.