The 2D Adhesive Contact of the Functionally Graded Piezoelectric Coating Under a Conducting Indenter

HAN Lifu; LIU Tiejun

doi:10.21656/1000-0887.440238

Volume 45 Issue 2

Feb. 2024

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Article Navigation > Applied Mathematics and Mechanics > 2024 > 45(2): 227-244

HAN Lifu, LIU Tiejun. The 2D Adhesive Contact of the Functionally Graded Piezoelectric Coating Under a Conducting Indenter[J]. Applied Mathematics and Mechanics, 2024, 45(2): 227-244. doi: 10.21656/1000-0887.440238

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The 2D Adhesive Contact of the Functionally Graded Piezoelectric Coating Under a Conducting Indenter

doi: 10.21656/1000-0887.440238

HAN Lifu^{1, 2
,},
LIU Tiejun^{1
,
,}

1.
College of Science, Inner Mongolia University of Technology, Hohhot 010051, P.R.China
2.
Hetao College, Bayannur, Inner Mongolia 015000, P.R.China

Received Date: 2023-08-08
Rev Recd Date: 2023-10-31
Publish Date: 2024-02-01

Abstract

Abstract

Nano-indentation experiments are an important means of studying the mechanical properties and surface morphology of materials. With the decrease of the contact area, the adhesion between the indenter and the contact surface of the specimen cannot be ignored. Therefore, the adhesion effect plays an important role in the contact problem under the action of the indenter. The functional graded piezoelectric material (FGPM) has the advantages of both graded and piezoelectric materials, and can effectively avoid contact damage and failure of coatings. The adhesive contact problem of FGPMs under conducting indenters was studied. With exponentially changing material parameters of the FGPM coating, based on the Maugis adhesive model, the control singular integral equation for the 2D frictionless adhesive contact problem of the FGPM coating under the conducting indenter, was obtained through the Fourier integral transform, and the Erdogan-Gupta numerical method was used to solve the equation. The effects of the adhesive stress, the graded parameter and the charge of the indenter on the electro-mechanical coupling response were obtained. The results provide a theoretical basis for improving the contact behavior of material surfaces with FGPM coatings, and help design piezoelectric structures and devices.
- functionally graded piezoelectric coating,
- adhesion,
- Fourier integral transform,
- singular integral equation

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References(36)

References

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