D J Taylor and A M Kragh
Ilford Limited, Ilford, Essex
Journal of Physics D: Applied Physics Create an alert RSS this journal
D J Taylor and A M Kragh 1970 J. Phys. D: Appl. Phys. 3 29
The effect of layer thickness on the elastic response of thin layers loaded with a relatively large ball indentor was determined with a Wallace Indentation Tester. Thin coatings of gelatin gel on a rigid support were used and the identation results compared with absolute determinations of rigidity modulus. The empirical equation obtained relates rigidity modulus to the load, indentation, layer thickness and ball radius. The constant in the equation obtained for gelatin gels of rigidity modulus up to 1·5×105 dyn cm−2 was found to apply also to rubber of rigidity modulus 107 dyn cm−2.
Soft matter, liquids and polymers
Surfaces, interfaces and thin films
Issue 1 ( 1 January 1970)
Received 26 September 1969
D J Taylor and A M Kragh 1970 J. Phys. D: Appl. Phys. 3 29
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