Characterization of 3D Surface Roughness in Micro-Milling

Li, Wenqin; Yu, Zhanjiang; Yu, Huadong; Xu, Jinkai

doi:10.1109/3m-nano46308.2019.8947390

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Characterizing the Topography Of Joint Surfaces1

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2020

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“…After that, the mechanical surface can be characterized by the zero-, second-, and fourth-order moments of the power spectral function. They can be expressed as 28…”

Section: Characterizing the Topography Of Joint Surfacesmentioning

confidence: 99%

The microcontact model of joint surfaces with waviness and asperity interaction

Pei

Chu

et al. 2020

Advances in Mechanical Engineering

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The joint surfaces have a significant effect on the behavior of mechanical structures. Strong demand exists for the development of a model that can include the contact characteristics of joint surfaces. In this article, a new contact model considering asperity interaction and surface waviness is proposed. The roughness and waviness of the surface are separated by the Fourier series, and a contact model for an asperity is first established to obtain the displacement caused by asperity interaction. The joint surface is then treated as the contact between a rough surface and a smooth waviness to obtain a new model which considers asperity interaction and surface waviness. Simulation results show that when the normal load is fixed, the contact deformation decreases with the increasing radius of the waviness peak, but increases with the increasing surface roughness. In addition, asperity interaction will lead to a lower contact stiffness and a larger real contact area. Compared with other models, the results obtained from the proposed model are closer to the experimental results.

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“…After that, the mechanical surface can be characterized by the zero-, second-, and fourth-order moments of the power spectral function. They can be expressed as 28…”

Section: Characterizing the Topography Of Joint Surfacesmentioning

confidence: 99%

The microcontact model of joint surfaces with waviness and asperity interaction

Pei

Chu

et al. 2020

Advances in Mechanical Engineering

View full text Add to dashboard Cite

show abstract

Characterization of 3D Surface Roughness in Micro-Milling

Cited by 1 publication

References 16 publications

The microcontact model of joint surfaces with waviness and asperity interaction

The microcontact model of joint surfaces with waviness and asperity interaction

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