Effects of microvoids on strength of unidirectional fiber-reinforced composite materials

A Hyde, J He, X Cui, J Lua, L Liu - Composites Part B: Engineering, 2020 - Elsevier
Microvoids are common defects generated during manufacturing or prolonged services of
composites. Depending on the local physical environment, microvoids may form as two …

High Fidelity Digital Twin Machining Tool for Quality Informed Composite Drilling

J Lua, J Xiao, X Cui, C Saathoff - AIAA SCITECH 2024 Forum, 2024 - arc.aiaa.org
This paper presents a high-fidelity digital twin for hole-drilling in composites to provide a
physical mapping between drilling parameters, material system, component geometry, and …

Post-Impact Fatigue Durability Assessment of Composite Laminates for Enhanced Aircraft Sustainment

AB Harman, L Webb, P Chang, M Ibrahim, C Wright… - AIAA Journal, 2022 - arc.aiaa.org
A means by which the strength of composite aircraft structures can degrade significantly in-
service is via low-velocity impact induced while in maintenance (eg, tool drop). Discrete …

High-fidelity Progressive Damage Predictions of Composite T-joints using Advanced Continuum Damage Model and B-Spline Analysis Method

DC Pham, X Cui, J Lua, V Goyal - AIAA Scitech 2021 Forum, 2021 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2021-0703. vid High-fidelity progressive
failure analyses of composite T-joint subject to pull-off tensile load are performed using the …

Composite Drilling Characterization and Performance Evaluation

J XIAO, DCHI PHAM, JIM LUA… - Proceedings …, 2019 - dpi-proceedings.com.destechpub …
Hole drilling is one of the most widely used operations in order to place bolts or rivets.
Drilling holes in composites leads to drilling-induced defects and damages such as …