Micro-CT measurement of fibre misalignment: Application to carbon/epoxy laminates manufactured in autoclave and by vacuum assisted resin transfer moulding

被引：64
|
作者：
Nguyen, Nghi Q. [1 ]
Mehdikhani, Mahoor [1 ]
Straumit, Ilya [1 ]
Gorbatikh, Larissa [1 ,2 ]
Lessard, Larry [3 ]
Lomov, Stepan V. [1 ,2 ]
机构：
[1] Katholieke Univ Leuven, Dept Mat Engn MTM, Kasteelpk Arenberg 44, B-3001 Leuven, Belgium
[2] SIM M3 Program, Technol Pk 935, B-9052 Zwijnaarde, Belgium
[3] McGill Univ, Dept Mech Engn, 817 Sherbrooke St, Montreal, PQ H3A0C3, Canada
来源：
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING | 2018年 / 104卷
关键词：
Misalignment; Automated fibre placement (AFP); CT analysis; Directional orientation; IMAGE-ANALYSIS PROCEDURE; INTERNAL GEOMETRY; VOXEL MODELS; COMPOSITES; TOMOGRAPHY; ORIENTATION; STRENGTH; WAVINESS;
D O I：
10.1016/j.compositesa.2017.10.018
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This paper proposes a methodology for measurement of fibre misalignment in composite laminates based on the structure tensor of fibre orientations extracted from X-ray micro-computed tomography (micro-CT) images. The methodology is applied to carbon fibre/epoxy composites manufactured with two technologies: (1) by prepregging and consolidation in an autoclave and (2) by vacuum assisted resin transfer moulding. The results show that the in-plane inter-ply misalignment of fibres in the prepreg laminate and in the infusion-produced laminate is within 2-4 and 1-2, respectively. The misalignment results allow better understanding of the manufacturing typical fibre orientation precision level for the low pressure (vacuum assisted resin transfer moulding) and high pressure (autoclave) manufacturing. (C) 2017 Elsevier Ltd. All rights reserved.
引用
收藏
页码：14 / 23
页数：10
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