A comprehensive evaluation of the low-velocity impact behaviour of intraply hybrid flax/basalt composites using infrared thermography and terahertz time-domain spectroscopy techniques

IF 4.5 2区材料科学 Q1 MATERIALS SCIENCE, CHARACTERIZATION & TESTING Ndt & E International Pub Date : 2025-02-25 DOI:10.1016/j.ndteint.2025.103361

Pengfei Zhu , Hai Zhang , Stefano Sfarra , Fabrizio Sarasini , Rubén Usamentiaga , Gunther Steenackers , Clemente Ibarra-Castanedo , Xavier Maldague

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Abstract

Low-velocity impacts severely jeopardize the structural reliability of polymer composites. In view of this, a thorough evaluation of the impact damage of the polypropylene (PP) composites reinforced with an ecofriendly intraply flax/basalt hybrid fabric was performed based on infrared thermography (including pulsed thermography, linear scanning thermography) and terahertz time-domain spectroscopy (THz-TDS) techniques. However, the main problem is the lack of multi-source fusion technique regarding more than two sensors, and the discussions regarding homologous fusion (pulsed thermography and linear scanning thermography), and non-homologous fusion (infrared thermography and THz-TDS). In this work, a comprehensive evaluation for the impact resistance of hybrid polymer composites was conducted, including detecting the uneven resin distribution and exploring new multi-sources fusion strategy. The experimental results demonstrate the superior capability of multi-source fusion techniques.

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利用红外热成像和太赫兹时域光谱技术对亚麻/玄武岩复合材料的低速冲击性能进行了综合评价

低速冲击严重影响了聚合物复合材料的结构可靠性。基于红外热像仪（包括脉冲热像仪、线性扫描热像仪）和太赫兹时域光谱（THz-TDS）技术，对环保中厚亚麻/玄武岩混杂织物增强聚丙烯（PP）复合材料的冲击损伤进行了全面评价。然而，主要问题是缺乏针对两个以上传感器的多源融合技术，以及关于同源融合（脉冲热成像和线性扫描热成像）和非同源融合（红外热成像和太赫兹- tds）的讨论。本文对混杂聚合物复合材料的抗冲击性能进行了综合评价，包括检测树脂分布的不均匀性和探索新的多源融合策略。实验结果证明了多源融合技术的优越性。

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来源期刊

Ndt & E International 工程技术-材料科学：表征与测试

CiteScore

7.20

自引率

9.50%

发文量

121

审稿时长

55 days

期刊介绍： NDT&E international publishes peer-reviewed results of original research and development in all categories of the fields of nondestructive testing and evaluation including ultrasonics, electromagnetics, radiography, optical and thermal methods. In addition to traditional NDE topics, the emerging technology area of inspection of civil structures and materials is also emphasized. The journal publishes original papers on research and development of new inspection techniques and methods, as well as on novel and innovative applications of established methods. Papers on NDE sensors and their applications both for inspection and process control, as well as papers describing novel NDE systems for structural health monitoring and their performance in industrial settings are also considered. Other regular features include international news, new equipment and a calendar of forthcoming worldwide meetings. This journal is listed in Current Contents.