Structural health monitoring of composite materials

T Singh, S Sehgal - Archives of Computational Methods in Engineering, 2022 - Springer
Composite materials owing to low density and beneficial properties such as high stiffness,
low coefficient of thermal expansion, high mechanical strength, high dimensional stability …

Ultrasonic anisotropy in composites: Effects and applications

I Solodov, Y Bernhardt, L Littner… - Journal of Composites …, 2022 - mdpi.com
Stiffness anisotropy is a natural consequence of a fibrous structure of composite materials.
The effect of anisotropy can be two-fold: it is highly desirable in some cases to assure a …

Towards the generation of controlled one-inch impact damage in thick CFRP composites for SHM and NDE validation

R James, V Giurgiutiu - Composites Part B: Engineering, 2020 - Elsevier
In this paper, an attempt has been made to conduct controlled low velocity impact
experiments in quasi-isotropic carbon fiber reinforced polymer (CFRP) composites of …

Impact damage ascertainment in composite plates using in-situ acoustic emission signal signature identification

R James, RP Joseph, V Giurgiutiu - Journal of Composites Science, 2021 - mdpi.com
Barely visible impact damage (BVID) due to low velocity impact events in composite aircraft
structures are becoming prevalent. BVID can have an adverse effect on the strength and …

Damage severity assessment in composite structures using multi-frequency lamb waves

AR Nandyala, AK Darpe… - Structural Health …, 2022 - journals.sagepub.com
When a narrowband tone burst excitation signal is used to generate Lamb waves in the thin
composite plates, a suitable frequency of the excitation signal is typically chosen to excite a …

Prediction of load-bearing capacity of composite parts with low-velocity impact damage: Identification of intra-and inter-ply constitutive models

A Cherniaev, S Pavlova, A Pavlov, V Komarov - Applied Mechanics, 2020 - mdpi.com
Assessments of residual load-carrying capacity are often conducted for composite structural
components that have received impact damage. The availability of a verified simulation …

Impact performance and bending behavior of carbon-fiber foam-core sandwich composite structures in cold arctic temperature

MH Khan, B Li, KT Tan - Journal of Composites Science, 2020 - mdpi.com
This study investigates the impact performance, post-impact bending behavior and damage
mechanisms of Divinycell H-100 foam core with woven carbon fiber reinforced polymer …

Impact damage detection in composite plates using acoustic emission signal signature identification

R James, R Joseph, V Giurgiutiu - Active and Passive Smart …, 2020 - spiedigitallibrary.org
Barely visible impact damage (BVID) due to low velocity impact events in composite aircraft
structures are becoming extremely prevalent. BVID can have an adverse effect on the …

SH-mode guided-wave impact damage detection in thick quasi-isotropic composites

R James, H Mei, V Giurgiutiu - Health monitoring of structural …, 2020 - spiedigitallibrary.org
Due to the extensive use of composite materials in aerospace structures, they are highly
susceptible to various types of damage including barely visible impact damage (BVID) due …

Nondestructive Evaluation and Structural Health Monitoring of Manufacturing Flaws and Operational Damage in Composite Structures

R James - 2021 - search.proquest.com
Advanced composite materials have begun to be used extensively in the manufacturing of
aerospace structures. Composite aerospace structures can develop complex types of …