A note on the elastic contact stiffness of a layered medium
- 1 December 1993
- journal article
- Published by Springer Nature in Journal of Materials Research
- Vol. 8 (12) , 3229-3232
- https://doi.org/10.1557/jmr.1993.3229
Abstract
A perturbation method is used to confirm that the elastic contact stiffness associated with a flat-ended punch indenting a layered medium is insensitive to the cross-section shape of the punch as long as the shape does not differ too much from a circle. This result supports the practice of modeling nonaxisymmetric indenters such as Vickers or Berkovich indenters as an axisymmetric flat-ended cylindrical punch.Keywords
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