Crack channelling mechanisms in brittle coating systems under moisture or temperature gradients
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Fracture"
DOI: 10.1007/s10704-020-00461-3
Abstract: Crack channelling is predicted in a brittle coating-substrate system that is subjected to a moisture or temperature gradient in the thickness direction. Competing failure scenarios are identified, and are distinguished by the degree to which… read more here.
Keywords: crack channelling; delamination; coating substrate; moisture temperature ... See more keywords
Physical Mechanisms of Stress-Field Formation near the Coating–Substrate Interface during Electron-beam Processing
Sign Up to like & getrecommendations! Published in 2020 at "Russian Physics Journal"
DOI: 10.1007/s11182-020-02125-0
Abstract: A model for calculating the residual stress in the vicinity the coating–substrate interface is presented. The model includes the temperature and phase composition variations. It is shown that the coating stresses significantly exceed the yield… read more here.
Keywords: mechanisms stress; stress field; coating substrate; physical mechanisms ... See more keywords
Study on wear behavior of FeNiCrCoCu high entropy alloy coating on Cu substrate based on molecular dynamics
Sign Up to like & getrecommendations! Published in 2021 at "Applied Surface Science"
DOI: 10.1016/j.apsusc.2021.151236
Abstract: Abstract The high entropy alloy (HEA) is a potential material for coating because of its high hardness and wear resistance. In order to study the wear performance and protection ability of FeNiCrCoCu HEA coating on… read more here.
Keywords: study wear; entropy alloy; abrasive particle; coating substrate ... See more keywords
The interface crack problem for a functionally graded coating-substrate structure with general coating properties
Sign Up to like & getrecommendations! Published in 2018 at "International Journal of Solids and Structures"
DOI: 10.1016/j.ijsolstr.2018.03.025
Abstract: Abstract A piecewise-exponential model (PE model) is developed for the interface crack problem of a functionally graded coating-substrate structure in which the coating mechanical properties are generally continuous while the substrate is homogeneous. By this… read more here.
Keywords: coating properties; coating substrate; problem; interface crack ... See more keywords
Coupling effects of dual-phase-lag heat conduction and property difference on thermal shock fracture of coating/substrate structures
Sign Up to like & getrecommendations! Published in 2018 at "International Journal of Solids and Structures"
DOI: 10.1016/j.ijsolstr.2018.06.031
Abstract: Abstract This paper firstly studies the heat conduction in a coating/substrate structure subjected to a sudden cooling on the coating surface based on the dual-phase-lag heat conduction model. Then the thermally induced surface cracking problem… read more here.
Keywords: heat conduction; coating substrate; conduction; dual phase ... See more keywords
Effect of substrate types on the microstructure and properties of Cu65Fe35 composite coatings by laser induction hybrid cladding
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Alloys and Compounds"
DOI: 10.1016/j.jallcom.2017.06.064
Abstract: Abstract The Cu65Fe35 (wt.%) composite coatings with a liquid miscibility gap were produced on the different substrates by laser induction hybrid cladding (LIHC) to investigate the effect of substrate types on the microstructure and properties.… read more here.
Keywords: microhardness; layer; coating substrate; composite coating ... See more keywords
A further insight into coating-substrate interface of TiUnite implant by a novel coating detachment method
Sign Up to like & getrecommendations! Published in 2018 at "Surface and Coatings Technology"
DOI: 10.1016/j.surfcoat.2018.08.071
Abstract: Abstract This work reports the development of a novel method to treat a commercially TiUnite® implant to detach its tightly bonded surface oxide layer. The implant was anodized in a fluorine-containing electrolyte (usually for TiO… read more here.
Keywords: coating substrate; method; tiunite implant; interface ... See more keywords
Numerical investigation on the elastic–plastic transition of a cylindrical coating/substrate composite under normal compression
Sign Up to like & getrecommendations! Published in 2017 at "RSC Advances"
DOI: 10.1039/c7ra00146k
Abstract: In order to study the yielding resistance of a coated component in line contact, a cylindrical coating/substrate system contacting a rigid plane was simulated via a plane-strain model. For super-thick coatings, the critical load, contact… read more here.
Keywords: plastic; compression; coating substrate; cylindrical coating ... See more keywords
Effect of local curvature of the coating-substrate interface on deformation and fracture of ceramic coatings under uniaxial tension
Sign Up to like & getrecommendations! Published in 2017 at "Physical Mesomechanics"
DOI: 10.1134/s1029959917040130
Abstract: Scanning electron microscopy and atomic force microscopy have been applied to study the fracture of SiAlN coatings on Cu substrates under uniaxial tension. It is shown that coating spalling occurs in the zones of local… read more here.
Keywords: microscopy; coating substrate; local curvature; uniaxial tension ... See more keywords
Research on Multiple Griffith Cracks at the Interface of Fine-Grained Piezoelectric Coating/Substrate
Sign Up to like & getrecommendations! Published in 2019 at "Mathematical Problems in Engineering"
DOI: 10.1155/2019/2547891
Abstract: The behavior of a fine-grained piezoelectric coating/substrate with multiple Griffith interface cracks under electromechanical loads is investigated. In this work, double coupled singular integral equations are proposed to solve the fracture problems. Both the singular… read more here.
Keywords: piezoelectric coating; energy release; coating substrate; grained piezoelectric ... See more keywords
Interaction of Screw Dislocation with Edge Interfacial Crack on Fine-Grained Piezoelectric Coating/Substrate
Sign Up to like & getrecommendations! Published in 2019 at "Advances in Materials Science and Engineering"
DOI: 10.1155/2019/3848240
Abstract: The interaction between micro- and macrocracks in a fine-grained piezoelectric coating/substrate under remote antiplane mechanical and in-plane electrical loadings was studied. The principle of superposition and a mapping function method was used to transform the… read more here.
Keywords: coating substrate; dislocation; fine grained; grained piezoelectric ... See more keywords