Numerical and Experimental Analysis for Shape Improvement of a Cruciform Composite Laminates Specimen

Gutiérrez, J. C.; Lozano, A.; Manzano, A.; Flores, M. S.

doi:10.5604/12303666.1191433

Artykuł - szczegóły

Tytuł artykułu

Numerical and Experimental Analysis for Shape Improvement of a Cruciform Composite Laminates Specimen

Autorzy

Gutiérrez J. C. , Lozano A. , Manzano A. , Flores M. S.

Treść / Zawartość

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Identyfikatory

DOI

10.5604/12303666.1191433

Warianty tytułu

Numeryczna i eksperymentalna analiza poprawy kształtu próbek o kształcie krzyżowym wykonanych z laminatu

Języki publikacji

Abstrakty

The use of composite materials has spread to different applications among which, those using thin sheet plates subjected to biaxial loads are commonly used in the car and aerospace industries. Hence, there is need of a reliable specimen to test these materials under biaxial loads. This reliability depends on measurements that are accurate and repeatable. Thus these measurements depend on the proper design of specimens. This paper reviews the development of cruciform specimens of carbon fibre composite materials and how the geometric shape has evolved. Based on this review, a new geometric shape is proposed. This improvement is based on numerical analysis of the specimen and tests results of experimental measurements carried out using a four piston rig in an orthogonal arrangement. Deformation is measured in the centre of the specimen using strain gauges. By obtaining the principal stresses, it was found that maximum stresses occur in the centre of the specimen.

Powszechnie stosowane są kompozyty poddawane testom dwuosiowym. Prawidłowe przeprowadzenie tego rodzaju testów jest trudne biorąc pod uwagę rozkład naprężeń badanych w próbce. Omówiono szereg struktur stosowanych dla uzyskania wyników dokładnych i powtarzalnych. Przeprowadzono analizę poprawy kształtu próbki rozpatrując laminat z udziałem włókien węglowych i żywicy epoksydowej. Przeprowadzono testy rozciągania dwuosiowego. Odkształcenia mierzono w centralnej części próbki stosując specjalne czujniki przesunięcia. Stwierdzono, że maksymalne naprężenia występują w środku próbki.

Słowa kluczowe

polymer-matrix composites PMC mechanical properties finite element analysis FEA non-destructive testing Biaxial testing cruciform specimen

kompozyty z matrycą polimerową PMC właściwości mechaniczne analiza metodą elementów skończonych FEA badania nieniszczące testowanie dwuosiowe

Wydawca

Sieć Badawcza Łukasiewicz - Łódzki Instytut Technologiczny

Czasopismo

Fibres & Textiles in Eastern Europe

Rocznik

2016

Tom

Vol. 24, no. 2 (116)

Strony

89--94

Opis fizyczny

Bibliogr. 30 poz., rys., tab.

Twórcy

autor

Gutiérrez J. C.

jcgutierrezv@utsjr.edu.mx

CICATA Querétaro, Querétaro, México

autor

Lozano A.

CICATA Querétaro, Querétaro, México

autor

Manzano A.

CINVESTAV Querétaro, Real de Juriquilla, México

autor

Flores M. S.

CICATA Querétaro, Querétaro, México

Bibliografia

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Uwagi

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę.

Typ dokumentu

Bibliografia

Identyfikator YADDA

bwmeta1.element.baztech-4f609e4d-1744-4fca-8ee0-691de80b87fb