Fracture modelling of adhesively-bonded joints by an inverse method
Nowadays, any structure must have strength, robustness and lightness, which has increased the industrial interest and research efforts in adhesive joining, mainly in the improvement of strength and fracture properties of adhesives. Thus, in recent years, the use of adhesive joints in industrial appl...
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| Format: | Article |
| Language: | English |
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Gruppo Italiano Frattura
2019-03-01
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| Series: | Fracture and Structural Integrity |
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| Online Access: | https://www.fracturae.com/index.php/fis/article/view/2198 |
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| author | Raul Campilho Filipe Viana Ricardo Rocha Daniel Silva Rui Araújo José Ribeiro |
| author_facet | Raul Campilho Filipe Viana Ricardo Rocha Daniel Silva Rui Araújo José Ribeiro |
| author_sort | Raul Campilho |
| collection | DOAJ |
| description | Nowadays, any structure must have strength, robustness and lightness, which has increased the industrial interest and research efforts in adhesive joining, mainly in the improvement of strength and fracture properties of adhesives. Thus, in recent years, the use of adhesive joints in industrial applications has gradually grown, replacing some traditional bonding methods, since they have advantages such as reduced stress concentrations, reduced weight and cost, and ease of processing/manufacturing. In this work, the cohesive laws of three adhesives, Araldite® AV138, Araldite® 2015 and Sikaforce® 7752, were obtained by the application of an inverse adjustment method between the numerical and experimental load-displacement curves (P-d) of Double-Cantilever Beam (DCB) tests for tensile characterization and End-Notched Flexure (ENF) tests for shear characterization. Next, these laws were validated with experimental data of single-lap joints (SLJ) and double-lap joints (DLJ), using Abaqus®. For the Araldite® AV138 and Araldite® 2015, in tension and shear, the triangular law accurately predicted the behaviour of the SLJ and DLJ. For the Sikaforce® 7752, the triangular law did not suitably fit the experimental results. It was considered that, due to its ductility, the Sikaforce® 7752 is best modelled with a trapezoidal law. |
| format | Article |
| id | doaj-art-23d7810f2ff3412588aea2b667099e19 |
| institution | Kabale University |
| issn | 1971-8993 |
| language | English |
| publishDate | 2019-03-01 |
| publisher | Gruppo Italiano Frattura |
| record_format | Article |
| series | Fracture and Structural Integrity |
| spelling | doaj-art-23d7810f2ff3412588aea2b667099e192025-01-03T00:39:59ZengGruppo Italiano FratturaFracture and Structural Integrity1971-89932019-03-011348Fracture modelling of adhesively-bonded joints by an inverse methodRaul Campilho0Filipe VianaRicardo RochaDaniel SilvaRui AraújoJosé RibeiroISEPNowadays, any structure must have strength, robustness and lightness, which has increased the industrial interest and research efforts in adhesive joining, mainly in the improvement of strength and fracture properties of adhesives. Thus, in recent years, the use of adhesive joints in industrial applications has gradually grown, replacing some traditional bonding methods, since they have advantages such as reduced stress concentrations, reduced weight and cost, and ease of processing/manufacturing. In this work, the cohesive laws of three adhesives, Araldite® AV138, Araldite® 2015 and Sikaforce® 7752, were obtained by the application of an inverse adjustment method between the numerical and experimental load-displacement curves (P-d) of Double-Cantilever Beam (DCB) tests for tensile characterization and End-Notched Flexure (ENF) tests for shear characterization. Next, these laws were validated with experimental data of single-lap joints (SLJ) and double-lap joints (DLJ), using Abaqus®. For the Araldite® AV138 and Araldite® 2015, in tension and shear, the triangular law accurately predicted the behaviour of the SLJ and DLJ. For the Sikaforce® 7752, the triangular law did not suitably fit the experimental results. It was considered that, due to its ductility, the Sikaforce® 7752 is best modelled with a trapezoidal law.https://www.fracturae.com/index.php/fis/article/view/2198Adhesive jointStructural adhesiveCohesive zone modelsInverse methodParameter identification |
| spellingShingle | Raul Campilho Filipe Viana Ricardo Rocha Daniel Silva Rui Araújo José Ribeiro Fracture modelling of adhesively-bonded joints by an inverse method Fracture and Structural Integrity Adhesive joint Structural adhesive Cohesive zone models Inverse method Parameter identification |
| title | Fracture modelling of adhesively-bonded joints by an inverse method |
| title_full | Fracture modelling of adhesively-bonded joints by an inverse method |
| title_fullStr | Fracture modelling of adhesively-bonded joints by an inverse method |
| title_full_unstemmed | Fracture modelling of adhesively-bonded joints by an inverse method |
| title_short | Fracture modelling of adhesively-bonded joints by an inverse method |
| title_sort | fracture modelling of adhesively bonded joints by an inverse method |
| topic | Adhesive joint Structural adhesive Cohesive zone models Inverse method Parameter identification |
| url | https://www.fracturae.com/index.php/fis/article/view/2198 |
| work_keys_str_mv | AT raulcampilho fracturemodellingofadhesivelybondedjointsbyaninversemethod AT filipeviana fracturemodellingofadhesivelybondedjointsbyaninversemethod AT ricardorocha fracturemodellingofadhesivelybondedjointsbyaninversemethod AT danielsilva fracturemodellingofadhesivelybondedjointsbyaninversemethod AT ruiaraujo fracturemodellingofadhesivelybondedjointsbyaninversemethod AT joseribeiro fracturemodellingofadhesivelybondedjointsbyaninversemethod |