Journal ArticleDOI
Nondestructive evaluation of glass fiber honeycomb sandwich panels using reflective terahertz imaging
Jin Zhang,Jiandong Chen,Jie Wang,Lang Jinpeng,Jinbo Zhang,Yan Shen,Hong-Liang Cui,Hong-Liang Cui,Changcheng Shi +8 more
TLDR
The glass fiber honeycomb sandwich panel is an efficient structural configuration which has been widely used in several designs related to air, sea, and land transport systems as mentioned in this paper, such as air and sea transport systems.Abstract:
The glass fiber honeycomb sandwich panel is an efficient structural configuration which has been widely used in several designs related to air, sea, and land transport systems. Terahertz time domai...read more
Citations
More filters
Journal ArticleDOI
Temporal and Spatial Variability of Water Status in Plant Leaves by Terahertz Imaging
TL;DR: In this paper, the authors presented a new approach to estimate the water status of plant leaves by the terahertz time-domain spectroscopy (THz-TDS) technique.
Journal ArticleDOI
Nondestructive imaging of hidden defects in aircraft sandwich composites using terahertz time-domain spectroscopy
Qiang Wang,Xinyi Li,Tianying Chang,Tianying Chang,Jin Zhang,Lingyu Liu,Hongbin Zhou,Jinpeng Bai +7 more
TL;DR: In this article, the authors investigated the efficacy of terahertz (THz) time-domain spectroscopy (TDS) imaging technology in detecting hidden defects in aircraft glass fiber (GF) sandwich composites.
Journal ArticleDOI
THz imaging technique for nondestructive analysis of debonding defects in ceramic matrix composites based on multiple echoes and feature fusion.
TL;DR: A THz propagation model is established, a quantitative method for determining the thickness of debonding defects based on multiple echoes is presented, and a feature fusion imaging algorithm is proposed to realize the lateral recognition of defects.
Journal ArticleDOI
In-plane elastic wave propagation in aluminum honeycomb cores fabricated by bonding corrugated sheets:
TL;DR: Aluminum honeycomb cores are widely used in sandwich structures due to their high stiffness-to-weight ratios and very low densities as mentioned in this paper, however, owing to their porous architecture, honeycomb core are...
Journal ArticleDOI
Non-destructive Imaging and Residual Strength of Composite Materials After Exposure to Blast Loading
TL;DR: In this paper, the residual compressive residual strength of glass fiber/epoxy laminates after exposure to air blast loading was evaluated using non-destructive imaging technologies, specifically Terahertz (THz) and Flash Infrared Thermography (FIRT).
References
More filters
Book
Digital Image Processing Using MATLAB
TL;DR: 1. Fundamentals of Image Processing, 2. Intensity Transformations and Spatial Filtering, and 3. Frequency Domain Processing.
Journal ArticleDOI
X-ray computed microtomography of internal damage in fiber reinforced polymer matrix composites
Paul J. Schilling,BhanuPrakash R. Karedla,Arun K. Tatiparthi,Melody A. Verges,Paul D. Herrington +4 more
TL;DR: In this article, the authors assess the capabilities and limitations of X-ray micro-CT for the characterization of damage and internal flaws, including delamination and micro-cracking, in fiber-reinforced polymer-matrix composite materials.
Journal ArticleDOI
Broadband terahertz characterization of the refractive index and absorption of some important polymeric and organic electro-optic materials
Paul D. Cunningham,Nestor N. Valdes,Felipe A. Vallejo,L. Michael Hayden,Brent M. Polishak,Xing-Hua Zhou,Jingdong Luo,Alex K.-Y. Jen,Jarrod Williams,Robert J. Twieg +9 more
TL;DR: In this paper, the authors report broad bandwidth, 0.1-10 THz time-domain spectroscopy of linear and electro-optic polymers for broadband THz applications.
Journal ArticleDOI
Review of magnetic methods for nondestructive evaluation
TL;DR: A review of magnetic non-destructive evaluation methods can be found in this paper, where the authors present a fairly comprehensive summary of works on Barkhausen effect, magnetoacoustic emission, magtenic hysteresis, residual field and magnetically induced velocity change methods.
Journal ArticleDOI
Terahertz quality control of polymeric products
TL;DR: In this article, the potential of terahertz (THz) time-domain spectroscopy (TDS) for quality control of polymeric compounds was evaluated using a polyethylene compound with silver-coated titanium dioxide nanospheres and reinforced epoxy composite.