Proposal of the concept of splice-type arrester for foam core sandwich panels

被引：14

作者：

Hirose, Yasuo ^{[1
]}

Matsuda, Hirokazu ^{[2
]}

Matsubara, Go ^{[2
]}

Hojo, Masaki ^{[3
]}

Inamura, Fumihide ^{[2
]}

机构：

[1] Kanazawa Inst Technol, Coll Engn, Dept Aeronaut, Nonoichi, Ishikawa 9218501, Japan

[2] Kawasaki Heavy Ind Co Ltd, Strength Res Dept, Tech Inst, Akashi, Hyogo 6738666, Japan

[3] Kyoto Univ, Dept Mech Engn & Sci, Sakyo Ku, Kyoto 6068501, Japan

来源：

COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING | 2012年 / 43卷 / 08期

关键词：

Foams; Damage tolerance; Delamination; Finite element analysis (FE); FATIGUE-CRACK GROWTH; PEEL-STOPPER; INTERFACIAL FRACTURE; COMPOSITE; STRENGTH; BEAMS; SUPPRESSION; PERFORMANCE; DEFLECTION; KINKING;

D O I：

10.1016/j.compositesa.2012.03.022

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A new type of crack arrester concept, named the splice-type crack arrester, was invented and applied to a core-core splice in a foam core sandwich panel in order to suppress interfacial crack growth. An analytical evaluation of this crack arrester including parametric studies was carried out. It was confirmed by finite element (FE) analysis that interfacial crack propagation was suppressed by a decrease in the energy release rate at the crack tip under constant loading owing to the splice-type crack arrester as the crack tip approached the edge of the arrester. Through this study, it was revealed that the leading edge of the splice-type crack arrester, its shape and material, have strong effects on the crack suppression capability. (C) 2012 Elsevier Ltd. All rights reserved.

引用

页码：1318 / 1325

页数：8

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