Area of Contact Between Solids --
Measurement of Surface Irregularities and Surface Contour --
Optical interference [A] --
Electron microscope [A] --
Area of Contact between Solids --
Asperities of spherical shape --
Effect of work-hardening --
Asperities of conical and pyramidal shape --
The area of real contact --
Area of real and apparent contact --
The effect of removing the load --
Electrical Resistance as a Measure of Area of Real Contact --
Effect of load on contact resistance --
The contact of flat surfaces --
Surface Temperature of Rubbing Solids --
Surface Temperature of Sliding Metals --
Calculation of surface temperature --
Measurement of surface temperature --
Temperature of sliding metals --
Temperature of lubricated surfaces --
Intermittent nature of surface temperature --
Surface temperature and thermal conductivity --
Surface Temperature of Non-conducting Solids --
Temperature at which hot spots become visible --
Thermal conductivity and the incidence of hot spots --
Photographic recording of hot spots --
Effect of grit on the incidence of hot spots --
Influence of size and shape of slider --
Measurement of transient hot spots [A] --
A More Exact Calculation of the Surface Temperature --
Effect of Frictional Heating on Surface Flow --
Polishing and Surface Flow of Solids [A] --
Influence of melting-point --
Mechanism of polishing --
The action of a typical polisher --
The Mechanism of Sliding on Ice and Snow [A] --
Melting due to frictional heating.
