Effect of Temperature on the Energy Release Rate Variation in Repaired Laminate Composites

被引：4

作者：

Belhouari, M. ^{[1
]}

Benkheira, A. ^{[2
]}

Madani, K. ^{[1
]}

Campilho, R. D. S. G. ^{[3
,4
]}

Gong, X. L. ^{[5
]}

机构：

[1] Univ Djillali Liabes Sidi Bel Abbes, Dept Mech Engn, Sidi Bel Abbes, Algeria

[2] Univ Djelfa, Dept Mech Engn, Djelfa, Algeria

[3] Polytech Porto, ISEP Sch Engn, Porto, Portugal

[4] INEGI Inst Sci & Innovat Mech & Ind Engn, Porto, Portugal

[5] Univ Technol Troyes, LASMIS, Troyes, France

来源：

JOURNAL OF FAILURE ANALYSIS AND PREVENTION | 2023年 / 23卷 / 01期

关键词：

Composite patch; Laminate composite; Repair; Fracture energy; Mechanical properties; Temperature; THERMAL RESIDUAL-STRESSES; ADHESIVELY BONDED JOINTS; MECHANICAL-PROPERTIES; SINGLE LAP; TENSILE PROPERTIES; FRP COMPOSITES; STRENGTH; BEHAVIOR; CFRP; DELAMINATION;

D O I：

10.1007/s11668-023-01594-y

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

This work initially aims to study the influence of temperature on the mechanical properties of composite materials and adhesive. With this purpose, the mechanical properties of the adhesive and composite were measured experimentally under different temperature to provide the requested information for finite element modeling, and then inserted in a numerical model of bonded composite patch on cracked laminate composite plate to evaluate the fracture energy variations at repaired crack tip for different temperatures. The main results obtained confirm the beneficial effects of the composite patch on the mechanical behavior of a cracked composite. Moreover, the reduction in the mechanical properties induced by temperature negatively affects the repair strength. On the other hand, the fracture energy is strongly related to crack length and temperature.

引用

页码：420 / 435

页数：16

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