Application of Vickers Indentation Cracking to the Evaluation of Mechanical Properties of very Thin Metallic Films

Y. Nakamura

doi:10.4028/www.scientific.net/AMR.845.287

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 845Application of Vickers Indentation Cracking to the...

Application of Vickers Indentation Cracking to the Evaluation of Mechanical Properties of very Thin Metallic Films

Abstract:

Radial cracks formed in brittle materials by Vickers indentation were used as nanoscale tensile tests for very thin metallic films coated on the brittle substrates. For the purpose of evaluating the mechanical properties of the films, a fracture-mechanics-based model was proposed, in which the crack opening displacements (COD) of film/substrate crack systems were related with the plastic deformation and failure of the films. The application of this technique to gold film/glass substrate systems indicated the possibility of the measurement of mechanical properties of very thin metallic coatings with a thickness of several 10 nm.

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Periodical:

Advanced Materials Research (Volume 845)

Pages:

287-291

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.845.287

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Online since:

December 2013

Authors:

Y. Nakamura*

Keywords:

Crack Opening Displacement, Mechanical Property, Thin Metallic Film, Vickers Indentation Cracks

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References

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