Fig. 1 Experimental Apparatus

Table1. Characteristics of Disc and Ball

　

Glass Disc:

Modulus of Elasticity 70GPa

Poisson's Ratio 0.208

Roughness negligible small

Thickness of Coating Layer 200Å

Steel Ball:

Modulus of Elasticity 210GPa

Poisson's Ratio 0.3

Diameter 25.4mm

Roughness (Ra) 0.025

　

Table2. Experimental Condition

　

Rolling Speed Range 0.05〜1.0m/s

Load 20N, 25N, 30N, 35N

Temperature of Oil Sink 5℃, 10℃, 15℃, 20℃

　

Table3. Lubricant Properties

Fig. 2(a) A Profile of Oil Film Thickness across the Direction of Motion

Fig. 2(b) A Profile of Oil Film Thickness along the Direction of Motion

Fig. 2(c) Countour Map of Oil Film Thickness

BACK　　　CONTENTS　　　NEXT