Laser-based approach for bonded repair of carbon fiber reinforced plastics

被引：31
|
作者：
Voelkermeyer, Frank [1 ]
Fischer, Fabian [1 ]
Stute, Uwe [1 ]
Kracht, Dietmar [1 ]
机构：
[1] Laser Zentrum Hannover eV, D-30419 Hannover, Germany
来源：
LASERS IN MANUFACTURING 2011: PROCEEDINGS OF THE SIXTH INTERNATIONAL WLT CONFERENCE ON LASERS IN MANUFACTURING, VOL 12, PT A | 2011年 / 12卷
关键词：
bonded repair; laser-machining; selective matrix removal;
D O I：
10.1016/j.phpro.2011.03.066
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
This paper describes a laser-based approach for the bonded repair of fiber reinforced plastic (CFRP) parts. According to CFRP's material properties and sensitivity to thermal loads, short pulsed UV laser radiation is deployed to realize a precise ply by ply removal for preparation of the repair geometry. The influence of different process parameters like hatch distance and number of cycles on the ablation depth and throughput is discussed. Finally, a full shear strength testing conformable to DIN 65148 is successfully conducted and demonstrates a maximum of material strength combined with a significant drop in total process time.
引用
收藏
页码：537 / 542
页数：6
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