Effects of interface strength gradation on impact damage mechanisms in polypropylene/woven glass fabric composites

被引：28
作者：
Boccardi, S. [1 ]
Meola, C. [1 ]
Carlomagno, G. M. [1 ]
Sorrentino, L. [2 ]
Simeoli, G. [3 ]
Russo, P. [2 ]
机构：
[1] Univ Naples Federico II, Aerosp Div, Dept Ind Engn, Via Claudio 21, I-80125 Naples, Italy
[2] CNR, Inst Polymers Composites & Biomat, Pozzuoli, Na, Italy
[3] Univ Naples Federico II, Dept Chem Mat & Prod Engn, I-80125 Naples, Italy
来源：
COMPOSITES PART B-ENGINEERING | 2016年 / 90卷
关键词：
Layered structures; Impact behaviour; Interface; Strength; Non-destructive testing; LOW-VELOCITY IMPACT; THERMOSETTING-COMPOSITES; GLASS/EPOXY COMPOSITES; BEHAVIOR; RESISTANCE; THICKNESS; TOLERANCE;
D O I：
10.1016/j.compositesb.2015.12.004
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The attention of the present work is focused on the behaviour of interlaminar graded interface strength (IGIS) laminated structures under impact. IGIS structures are made of layers of a woven glass fabric alternated with compatibilized and not compatibilized polypropylene film layers, symmetrically and asymmetrically arranged with respect to the middle plane. For each configuration some specimens are subjected to impact tests at energies of 6 and 25 J while one specimen is left unloaded. Impacted and not impacted specimens are non-destructively evaluated with lock-in thermography (LT). Results highlight the role played by the stacking sequence in the IGIS laminate and confirm data previously obtained through mechanical characterization. (C) 2015 Elsevier Ltd. All rights reserved.
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收藏
页码：179 / 187
页数：9
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