An experimental and analytical study of micro-laser line thermography on micro-sized flaws in stitched carbon fiber reinforced polymer composites

被引：64

作者：

Zhang, Hai ^{[1
]}

Yu, Lingyao ^{[2
]}

Hassler, Ulf ^{[3
]}

Fernandes, Henrique ^{[1
]}

Genest, Marc ^{[4
]}

Robitaille, Francois ^{[5
]}

Joncas, Simon ^{[6
]}

Holub, Wolfgang ^{[3
]}

Sheng, Yunlong ^{[2
]}

Maldague, Xavier ^{[1
]}

机构：

[1] Univ Laval, Dept Elect & Comp Engn, Comp Vis & Syst Lab, 1065 Ave Med, Quebec City, PQ G1V 0A6, Canada

[2] Univ Laval, Dept Phys Phys Engn & Opt, Ctr Opt Photon & Lasers, 2375 Rue Terrasse, Quebec City, PQ G1V 0A6, Canada

[3] Fraunhofer IIS, Fraunhofer Dev Ctr Xray Technol EZRT, Dept Applicat Specif Methods & Syst AMS, Flugplatzstr 75, D-90768 Furth, Germany

[4] Natl Res Council Canada, Aerosp Portfolio Struct Mat & Mfg, 1200 Montreal Rd, Ottawa, ON K1A 0R6, Canada

[5] Univ Ottawa, Dept Mech Engn, 161 Louis Pasteur, Ottawa, ON K1N 6N5, Canada

[6] Ecole Technol Super, Dept Automated Mfg Engn, 1100 Rue Notre Dame Ouest, Montreal, PQ H3C 1K3, Canada

来源：

COMPOSITES SCIENCE AND TECHNOLOGY | 2016年 / 126卷

基金：

加拿大自然科学与工程研究理事会;

关键词：

NDT; Laser line thermography; X-ray computed tomography; Finite element method; Composite stitching; METAL-MATRIX COMPOSITES; ORIENTATION ASSESSMENT; INFRARED THERMOGRAPHY; COMPUTED-TOMOGRAPHY; DAMAGE; MICROTOMOGRAPHY; BEHAVIOR; FOAM;

D O I：

10.1016/j.compscitech.2016.02.007

中图分类号：

TB33 [复合材料];

学科分类号：

摘要：

Stitching is used to reduce incomplete infusion of T-joint core (dry-core) and reinforce T-joint structure. However, it might cause new types of flaws, especially micro-sized flaws. In this paper, a new micro-laser line thermography (micro-LLT) is presented. X-ray micro-computed tomography (micro-CT) was used to validate the infrared results. The micro-LLT and micro-CT inspection are compared. Then, a finite element analysis (FEA) is performed. The geometrical model needed for finite element discretization was developed from micro-CT measurements. The model is validated for the experimental results. Finally a comparison of the experiments and simulation is conducted. The infrared experimental phenomenon and results are explained based on the FEA results. (C) 2016 Elsevier Ltd. All rights reserved.

引用

页码：17 / 26

页数：10

共 29 条

[1]

Baaklini G. Y., MAT EVAL, V53

[2]

Bar-Cohen Y, 2000, MATER EVAL, V58, P141

[3] Finite element continuum damage modeling of plain weave reinforced composites [J].