Study on Expression of SIF for Tapered Lug Subjected to Oblique Pin-Load

Li Ming Wu; Yu Ting He; Hai Wei Zhang; Rong Hong Cui; Jin Qiang Du

doi:10.4028/www.scientific.net/AMR.299-300.1203

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 299-300Study on Expression of SIF for Tapered Lug...

Study on Expression of SIF for Tapered Lug Subjected to Oblique Pin-Load

Abstract:

The finite element model of a symmetric tapered attachment lug is built by using the finite element software ANSYS, a cosine pin-bearing pressure distribution is applied on the surface of the pin-hole as a boundary condition. The stress intensity factor (SIF) expression for a single through-the-thickness crack in a symmetric attachment lug subjected to an oblique pin-load less than 45 degrees is determined by studying on the effect of the dimensionless crack length (a/R₁)，the ratio of outer radius to inside radius (R₂/R₁), the inside radius (R₁), the tapered angle (β) of lug and the load degree (α) on SIF value. The paper can be helpful in assessing and designing damage tolerant attachment lugs.

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Periodical:

Advanced Materials Research (Volumes 299-300)

Pages:

1203-1207

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.299-300.1203

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Online since:

July 2011

Authors:

Li Ming Wu, Yu Ting He, Hai Wei Zhang, Rong Hong Cui, Jin Qiang Du

Keywords:

Fatigue Crack Growth Model, Finite Element Model (FEM), Stress Intensity Factor (SIF), Tapered Lug

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