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Wear is a very common problem between containing
surfaces under combined normal and tangential loads.
The main goal of the current study is a numerical
prediction of adhesive wear evolution in a spherical
contact. The contact consists of a deformable sphere
and a rigid flat subjected to combined normal and
tangential loading under full stick contact
condition. Following the completion of the normal
loading a tangential load is applied gradually until
the contact fails and large tangential deflection of
the flat takes place indicating sliding inception.
Due to the full stick contact condition the sliding
can occur at a certain interface beneath the contact
where all the material points experience a certain
maximum shear strain. The volume contained between
this interface and the rigid flat forms a potential
wear particle that would adhere to the moving flat
and result in material transfer. Given the material
property of the contacting surfaces with stick
condition the wear coefficient could be calculated.
Hence the potential dimensionless wear volume could
also be calculated with no need for any further
experimental data.
surfaces under combined normal and tangential loads.
The main goal of the current study is a numerical
prediction of adhesive wear evolution in a spherical
contact. The contact consists of a deformable sphere
and a rigid flat subjected to combined normal and
tangential loading under full stick contact
condition. Following the completion of the normal
loading a tangential load is applied gradually until
the contact fails and large tangential deflection of
the flat takes place indicating sliding inception.
Due to the full stick contact condition the sliding
can occur at a certain interface beneath the contact
where all the material points experience a certain
maximum shear strain. The volume contained between
this interface and the rigid flat forms a potential
wear particle that would adhere to the moving flat
and result in material transfer. Given the material
property of the contacting surfaces with stick
condition the wear coefficient could be calculated.
Hence the potential dimensionless wear volume could
also be calculated with no need for any further
experimental data.