The making of steel involves many processes and stages.
Value of coefficient of friction between steel and rubber.
For polished oiled metal surfaces less than 0 1.
Where μ s is the coefficient of static friction and μ k is the coefficient of kinetic friction.
However it is possible to find tables in the literature for friction coefficients between various materials.
The static and kinetic friction coefficient values reference table shown in this article will be helpful for finding the cof values of commonly used materials.
The value of μ s is generally higher than the value of μ k for a given combination of materials.
Typical values for the coefficient of friction when sliding is occurring i e.
The two main frictions used are static friction and kinetic friction.
The dynamic coefficient of friction are.
Static and kinetic coefficient of friction.
Example car braking friction force and required distance to stop.
The coefficient of static friction for steel is around 0 6 0 15 and the coefficient of kinetic friction is around 0 09 0 6.
For glass on glass 0 4.
Static friction is friction between two or more solid objects that are not moving relative to each other.
Showing the concept of coefficient of friction.
For example static friction can prevent an object from sliding down a sloped surface.
For rubber on tarmac close to 1 0.
The friction force can be calculated as.
The coefficient of friction is the ratio of a force to a force and hence has no units.
Coefficients of friction between materials are best determined through testing.
A car with mass 2000 kg drives with speed 100 km h on a wet road with friction coefficient 0 2.
The basic raw materials are coal iron ore limestone and various chemicals.