Search results
Results From The WOW.Com Content Network
The Archard wear equation is a simple model used to describe sliding wear and is based on the theory of asperity contact. The Archard equation was developed much later than Reye's hypothesis [] (sometimes also known as energy dissipative hypothesis), though both came to the same physical conclusions, that the volume of the removed debris due to wear is proportional to the work done by friction ...
In the 1950s he developed an analytical model used to describe abrasive wear based on the theory of contact of asperities, which became known in the literature as wear equation or Archard equation. [5] [6] [4] [2] [3] Archard was a reader at Leicester University until his retirement in the early 1980s. [1]
Traditionally, the wear of materials has been characterized by weight loss and wear rate. However, studies have found that wear coefficient is more suitable. The reason being that it takes the wear rate, the applied load, and the hardness of the wear pin into account. Although, measurement variations by an order of 10-1 have been observed, the ...
The contributions of J. F. Archard (1957) [12] must also be mentioned in discussion of pioneering works in this field. Archard concluded that, even for rough elastic surfaces, the contact area is approximately proportional to the normal force .
Wear is the damaging, gradual removal or deformation of material at solid surfaces. ... Archard equation – Model used to describe wear; Reye's hypothesis
The Archard equation is a simple model used to describe sliding wear and is based on the theory of asperity contact. [1] = where: Q is the total volume of wear debris produced K is the wear coefficient W is the total normal load L is the sliding distance H is the hardness of the softest contacting surfaces
The Archard equation provides a simplified model of asperity deformation when materials in contact are subject to a force. Due to the ubiquitous presence of deformable asperities in self affine hierarchical structures, [ 4 ] the true contact area at an interface exhibits a linear relationship with the applied normal load.
Smooth surfaces are important since rougher surfaces are scratches prone: as shown by the Archard Wear Equation. [18] Archard equation: W: volume of Wear created during a scratch event. S: The distance during which both objects were in contact with each other. N: normal force or amount of pressure applied by the indenting object. H: Hardness of ...