How can one test the interface strength of claddings having dissimilar metals when starting with smaller specimen dimensions?

10 December 2015 1 10K Report

I have roll bonded and clad 2 dissimilar metals together by cold roll bonding technique and would like to test the bond/interface strength of the cladding. The sample dimensions here limit me from trying the standard peel test using a tensile testing machine. Can any one suggest an alternative method of testing?

Rohit Mathew

If I am to do any sort of indentation, how is the instantaneous strain in the material taken in this case? Or do we consider the depth penetrated as a variable proportional to strain?

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