Hip Basic Science

1. Lubrication

1.1. New node

1.2. 3 forms

1.2.1. Hydrodynamic

1.2.2. Boundaryq

2. Friction

3. Free Body Diagram

4. Material Properties

5. Bearing Surfaces

5.1. Hard on Soft

5.1.1. Factors Affecting wear

5.1.1.1. Surface roughness

5.1.1.2. Sphericity of head

5.1.1.3. PE manufacturing process

5.1.1.4. PE Sterilization process

5.1.1.5. PE irradiation Modification

5.2. Hard on Hard