Direct and inverse cohesive law identification of hardwood bonded joints with 1C-PUR adhesive using DCB test

Majano-Majano A.; Lara-Bocanegra A.J.; Pereira F.Morais J.Xavier J.de Moura M.F.S.F.

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Direct and inverse cohesive law identification of hardwood bonded joints with 1C-PUR adhesive using DCB test

机译：Direct and inverse cohesive law identification of hardwood bonded joints with 1C-PUR adhesive using DCB test

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? 2023 The AuthorsFracture characterisation under mode I loading of Eucalyptus globulus Labill. bonded joints with one-component polyurethane adhesive (1C-PUR) is addressed in this work. The objective is to estimate the cohesive law representative of the fracture behaviour of these joints. A direct and two inverse procedures were employed to determine the softening laws. The direct method is based on local measurement of crack tip displacements using digital image correlation in the course of Double Cantilever Beam (DCB) tests, while the inverse methods rely on load–displacement data and on load-crack tip opening displacement relations by finite element modelling. It was verified that consistent results can be obtained from the three methodologies leading to the conclusion that the classical inverse procedure is the most appealing one owing to its simplicity.

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《Composite structures》 |2023年第7期|1.1-1.10|共10页
作者
Majano-Majano A.; Lara-Bocanegra A.J.; Pereira F.Morais J.Xavier J.de Moura M.F.S.F.;
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作者单位

Department of Building Structures and Physics ETS Architecture Universidad Politécnica de Madrid;

CITAB School of Science and Technology University of Trás-os-Montes e Alto Douro;

UNIDEMI Department of Mechanical and Industrial Engineering NOVA School of Science and Technology Universidade NOVA de LisboaUNIDEMI Department of Mechanical and Industrial Engineering NOVA School of Science and Technology Universidade NOVA de Lisboa||IntFaculdade de Engenharia da Universidade do Porto Departamento de Engenharia Mecanica Rua Dr. Roberto Frias;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种英语
中图分类
关键词
Cohesive law; Digital image correlation; Double cantilever beam; Eucalyptus globulus; Mode I fracture; Wood;

Direct and inverse cohesive law identification of hardwood bonded joints with 1C-PUR adhesive using DCB test

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