Strain-Induced Damageability of Elastic-Plastic Carbon Nanocoatings on a Polymer Substrate

The ability to withstand external loads is one of the most important properties of functional coatings on polymer substrates. Carbon nanocoatings were deposited on the surface of elastic polyurethane by magnetron sputtering. Local mechanical properties and fracture of surfaces were investigated by i...

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Bibliographic Details
Published in:Russian physics journal 2023-12, Vol.66 (8), p.852-859
Main Authors: Morozov, I. A., Beliaev, A. Yu, Kamenetskikh, A. S.
Format: Article
Language:English
Subjects:
Atomic force microscopy
Carbon
Coatings
Condensed Matter Physics
Fracture toughness
Hadrons
Heavy Ions
Lasers
Magnetic properties
Magnetron sputtering
Mathematical and Computational Physics
Mechanical properties
Microcracks
Nuclear Physics
Optical Devices
Optical microscopy
Optical properties
Optics
Photonics
Physics
Physics and Astronomy
Polymer industry
Polymers
Polyurethane resins
Strain
Substrates
Theoretical
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Summary:The ability to withstand external loads is one of the most important properties of functional coatings on polymer substrates. Carbon nanocoatings were deposited on the surface of elastic polyurethane by magnetron sputtering. Local mechanical properties and fracture of surfaces were investigated by indentation methods of atomic force microscopy. The development of microcracks on stretched materials was studied by optical microscopy. The modified surfaces exhibit non-uniform structural-mechanical properties. These inhomogeneities improve the fracture resistance constraining crack propagation.
ISSN:1064-8887
1573-9228
DOI:10.1007/s11182-023-03014-y