Phenomenological Analysis of Indentation Diagrams for Topocomposites on a Compliant Substrate

A qualitative analysis of the experimental indentation diagrams for topocomposites has been conducted. These diagrams are unloading curves with linear and nonlinear sections at the end of the unloading curve and characterize the interfacial delamination along the coating–substrate interface. It has...

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Bibliographic Details
Published in:Journal of machinery manufacture and reliability 2022, Vol.51 (1), p.86-93
Main Author: Voronin, N. A.
Format: Article
Language:English
Subjects:
Aluminum
Coating effects
Contact pressure
Damping capacity
Deformation effects
Diagnostics
Engineering
Experimental Mechanics
Hysteresis loops
Indentation
Machines
Manufacturing
Processes
Qualitative analysis
Substrates
Testing
Titanium nitride
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Summary:A qualitative analysis of the experimental indentation diagrams for topocomposites has been conducted. These diagrams are unloading curves with linear and nonlinear sections at the end of the unloading curve and characterize the interfacial delamination along the coating–substrate interface. It has been shown that the exfoliation in both topocomposites results in a linear relationship between the load and the indentation depth. The width of the hysteresis loops confirms the higher damping capacity of an aluminum nitride coating as compared with a titanium nitride coating. The relevance of studying the effect of the coating structure on the deformation behavior and damage to topocomposites at high contact pressures is shown.
ISSN:1052-6188
1934-9394
DOI:10.3103/S1052618822010113