Single-crystal indicators of fatigue and plastic deformation damage

Y. G. Gordienko; E. E. Zasimchuk

doi:10.1117/12.184854

13 September 1994 Single-crystal indicators of fatigue and plastic deformation damage

Y. G. Gordienko, E. E. Zasimchuk

Proceedings Volume 2361, Second European Conference on Smart Structures and Materials; (1994) https://doi.org/10.1117/12.184854
Event: Smart Structures and Materials: Second European Conference, 1994, Glasgow, United Kingdom

Abstract

Specially prepared thin single-crystal plates rigidly fastened to the sample surface area are shown to be effective as sensor elements (indicators and detectors) of the deformation damage of multi-phase commercial alloys under fatigue and static loading. It is proposed to estimate the lifetime and the strain of basic material by monitoring the geometric characteristics of band patterns on the detector surface. It is shown that density, direction of deformation bands and fractal dimension of band patterns on surfaces of indicators correlate with the number of cycles, maximum applied stress (fatigue loading) and plastic strain, temperature (static loading).

Citation Download Citation

Y. G. Gordienko and E. E. Zasimchuk "Single-crystal indicators of fatigue and plastic deformation damage", Proc. SPIE 2361, Second European Conference on Smart Structures and Materials, (13 September 1994); https://doi.org/10.1117/12.184854

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