Buckling Analysis of Laminated Composite Plates Submitted to Compression After Impact

被引：16

作者：

Amaro, A. M. ^{[1
,2
]}

Reis, P. N. B. ^{[3
]}

de Moura, M. F. S. F. ^{[4
]}

Neto, M. A. ^{[1
,2
]}

机构：

[1] CEMUC, P-3030 Coimbra, Portugal

[2] Univ Coimbra, Dept Mech Engn, P-3030 Coimbra, Portugal

[3] Univ Beira Interior UBI, Dept Electromech Engn, P-6200 Covilha, Portugal

[4] Univ Porto, Fac Engn, P-4200465 Oporto, Portugal

来源：

FIBERS AND POLYMERS | 2014年 / 15卷 / 03期

关键词：

Composites; Impact delamination; Buckling; Compressive strength; LOW-VELOCITY IMPACT; EPOXY COMPOSITES; DELAMINATION; FAILURE; CFRP; STRENGTH; BEHAVIOR; DAMAGE; PROPAGATION; PERFORMANCE;

D O I：

10.1007/s12221-014-0560-x

中图分类号：

TB3 [工程材料学]; TS1 [纺织工业、染整工业];

学科分类号：

0805 ; 080502 ; 0821 ;

摘要：

The aim of this work is the experimental evaluation of the residual strength of composite laminates under compression after low velocity impact. Different kinds of delaminations, partial, embedded and through-the-width, were studied. Carbon-fibre reinforced epoxy composite was used and the experimental tests were performed on [0](16), [0, 90, 0, 90](2S) and [0(i), 90(i)](s) with i=2, 3, 4, 5, using a drop-weight-testing machine. The impacted plates were inspected by the ultrasonic C-Scan to evaluate the size and the shape of the delamination. Results show that the presence of delamination decreases the compressive strength. The stacking sequence and laminate thickness were verified to have a remarkable influence on the value of the residual compressive strength, and play an important role on the observed buckling failure modes.

引用

页码：560 / 565

页数：6

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