Author
Zhiyong Yang
Bio: Zhiyong Yang is an academic researcher. The author has contributed to research in topics: Composite number & Bearing (mechanical). The author has co-authored 1 publications.
Papers
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TL;DR: In this paper, an experimental investigation on bearing behavior and failure mechanism of single-lap bolted composite interference-fit joints under thermal effects was conducted. But, the results showed that the bearing performance of composite joints was slightly enhanced by low temperature due to cold hardening of matrix resin but greatly weakened by high temperature owing to the combined effects of heat softening of resin, residual stress relaxation and thermal expansion of joint components.
5 citations
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TL;DR: In this paper , the deformation and damage of composite multi-bolted joints with different hole-location error and installation sequence was investigated. And the authors showed that hole location error caused vertical deformation of composite joint and non-uniform extrusion of up and down hole.
2 citations
TL;DR: In this article , the authors examined the effect of seawater aging at a macroscopic level while considering the input parameters spindle speed and feed and material thickness and the response variables as peel-up and push-down delamination damages.
1 citations
TL;DR: In this paper , the effect of riveting die configuration and squeeze force on the mechanical properties and fatigue behavior of riveted joints was investigated systematically, and the results showed that the riveting dies configuration has little effect on the shear strength, but has significant attributes on the pullout strength.
TL;DR: In this paper , a load mechanism and progressive failure process of the composite pre-tightened tooth joint under bending-tension coupling was analyzed, and a three-dimensional model of progressive failure based on the USDFLD subroutine and Tsai-Wu failure criterion was established.
01 Jan 2023
TL;DR: In this article , the authors proposed a generalized method for selecting rational parameters of interference fits based on mathematical modeling using computer-aided design software and performed numerical calculations of the desired values of the parameters and analyzed their mutual influence on the qualitative selection of joints with an interference fit on a smooth surface.
Abstract: The next stage of modernization of the generalized method proposed by the authors for selecting rational parameters of interference fits based on mathematical modeling using computer-aided design software is completed in work. Numerical calculations of the desired values of the parameters and analysis of their mutual influence on the qualitative selection of joints with an interference fit on a smooth surface are performed using this method. The developed multiparametric complex of mathematical models of suitable standard interference fits is described in detail in the authors’ previous publications. The object of this research is a set of spatial images, which are geometric objects of the specified complex in three-dimensional space. The paper formulates practical recommendations for the effective selection and adoption of rational values for the parameters of the designed fits. At the same time, the geometric images of the studied models are analytically described using the mathematical apparatus of the theory of R-functions based on the author’s computer programs. The numerical-analytical results obtained in this work can be used in the automated design of interference fits.