Effect of pre-fatigue damage on the residual strength of 2198-T8 aluminum-lithium alloy sheet with holes

Y Chen, Y Zhang, X Pan, J Yang, T Chang - Journal of Alloys and …, 2023 - Elsevier
Abstract The 2198-T8 aluminum-lithium alloy is the advanced aircraft aluminum-lithium alloy
used for airframe construction. During the service of the aircraft, the rivet joints of the …

A novel approach to calculate the KIII factor for a crack on a sharp corner using Green's function

KL Molski, Ł Derpeński, J Szusta, Ö Karakaş - International Journal of …, 2023 - Elsevier
This paper presents a method for determining Green's function for calculating the K III factor
for a crack initiated at the vertex of a sharp corner and coming out at different angles when …

Fatigue Damage Behavior and Mechanism Research of 2198 Aluminum–Lithium Alloy Sheet with Error Holes

Y Chen, T Yuan, Z Cui, Z Zhang, YF Zhou… - Journal of Materials …, 2024 - Springer
In this paper, we investigated the impact of manual drilling in the actual production process
on the structural material properties of the airframe. Specifically, we focused on elliptical and …

Effects of rivet hole arrangement on fatigue performance of thin sheets for fuselage: DIC and numerical calculation

Y Chen, X Pan, K Wang, F Wang - Thin-Walled Structures, 2022 - Elsevier
The fatigue performance and fracture mechanics of 2198-T8 Al-Li thin sheet with multi-
diameter rivet holes were studied experimentally and numerically, which is mainly used in …

Mode-I stress intensity factors for cracked R-fluted shells under complex loads

D You-Sheng, L Long, M Li-Qing… - International Journal of …, 2021 - Elsevier
Based on the conservation law and bending theory, a technique to determine complicated
stress intensity factors on three-dimensional components is proposed, A series of closed …

Mode-I stress intensity factors for cracked fin-shaped shell under bending

WJ Yuan, YJ Xie - Acta Mechanica, 2021 - Springer
Determining the stress intensity factor (SIF) for cracked engineering structures under
different loading conditions is one of the core issues of fracture analysis. A slender fin …

Fatigue life evaluation of the damaged passenger boarding bridge supports

M Balac, A Grbovic, G Kastratovic, A Petrovic… - Current Problems in …, 2022 - Springer
Bridge constructions are developing rapidly as they are necessity in the transport network.
The Passenger Boarding Bridge (PBB) provides passengers with means to embark and …

Effect of hexagonal stringer design on bulging factor and stress intensity factor of cracks in the skin of pressurized aircraft fuselage

AF Zayati, T Lazghab, M Soula - Proceedings of the …, 2023 - journals.sagepub.com
Aircraft structural fatigue is a serious issue. Untreated, it could lead to failure. Several aircraft
accidents were caused by widespread fatigue damage. For cracks in the fuselage, the stress …

Development of a regression model for the life assessment of open-hole specimens with double through cracks utilizing stress intensity factor calculations via XFEM

SSH Shabestari, A Kayran - Procedia Structural Integrity, 2019 - Elsevier
In this study, a regression analysis model has been developed to calculate the fatigue life of
open-hole specimens with a double through cracks without significantly compromising on …

Empirical Mathematical Model of Multiple Interaction Cracks

MNC Ariffin, MK Awang - Research Progress in Mechanical …, 2021 - penerbit.uthm.edu.my
As Stress Intensity Factors (SIF) may be used to measure the fracture force of the faulty
structure quantitatively, the engineering application of fracture mechanics relies largely on …