Validating the efficacy of deformation distribution measurement in CFRP laminates during three-point bending using the sampling moiré method

Tong Ding; Qinghua Wang; Xiaojun Yan

doi:10.1117/12.3023392

15 February 2024 Validating the efficacy of deformation distribution measurement in CFRP laminates during three-point bending using the sampling moiré method

Tong Ding, Qinghua Wang, Xiaojun Yan

Author Affiliations +

Proceedings Volume 13069, International Conference on Optical and Photonic Engineering (icOPEN 2023); 130690N (2024) https://doi.org/10.1117/12.3023392
Event: International Conference on Optical and Photonic Engineering (icOPEN 2023), 2023, Singapore, Singapore

Abstract

The damage behavior of carbon fiber reinforced plastics (CFRP) is highly complex due to the overlapping of various damage forms. To elucidate this deformation behavior, it is crucial to evaluate the micro-scale deformation distribution before the occurrence of each type of damage. The sampling Moiré method has been recognized as an effective experimental technique for analyzing such deformation behavior. In this study, we used the sampling Moiré method to calculate the micro-displacement distributions of [±45°]_4s CFRP laminates during a three-point bending test under microscopic observation. Additionally, a finite element model was created under the same conditions to compute the displacement distribution using the finite element method (FEM). A comparison of the displacement distributions obtained from both experimental and simulation methods confirmed their consistency. The simulation results also revealed the difference in CFRP displacement distribution characteristics with and without interlayer resin, which manifested that the presence of a resin layer between the CFRP layers induced a distinctive wave displacement distribution when subjected to a three-point bending load.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Tong Ding, Qinghua Wang, and Xiaojun Yan "Validating the efficacy of deformation distribution measurement in CFRP laminates during three-point bending using the sampling moiré method", Proc. SPIE 13069, International Conference on Optical and Photonic Engineering (icOPEN 2023), 130690N (15 February 2024); https://doi.org/10.1117/12.3023392

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available

Members: $17.00

Non-members: $21.00 ADD TO CART

PROCEEDINGS
7 PAGES

DOWNLOAD PAPER SAVE TO MY LIBRARY

GET CITATION

RIGHTS & PERMISSIONS

Get copyright permission Get copyright permission on Copyright Marketplace

KEYWORDS

Carbon fiber reinforced plastics

Finite element methods

Deformation

Bending stress

Boundary conditions

Digital image correlation

Phase shifts

Keywords/Phrases

Search In:

Publication Years