Effect of temperature on crack kinking and jumping in a cross-ply laminated beam

• Autorzy: Yamamoto S. , Ikeda T. , Senba A.
• Języki publikacji: EN

Abstrakty

EN

To understand the mechanisms of crack kinking and jumping that occur within the 90◦ layer of a cross-ply fiber reinforced plastic laminated plate, double cantilever beam tests were performed at several temperatures for laminated plates with two types of stacking sequences. The crack kink angles were calculated using a bi-layer shear-deformable beam model. Furthermore, the interlaminar shear stresses were calculated using finite-element models to clarify the mechanism of the repeated jumps. The following results were obtained from these experiment and analysis; (i) a crack at the center tended to propagate in a self-similar manner more stably at higher temperatures, (ii) the applied load at which value the crack at the center started propagation decreased as the 90◦ layer became thicker, and (iii) the crack along a 0◦/90◦ interface jumped to the other interface because the shear force along the 0◦/90◦ interface due to the thermal stress decreased as the crack propagated along the interface.

Słowa kluczowe

EN

laminated plate; crack propagation; crack kinking; crack jump; thermal stress; analytical modeling

• Wydawca: Instytut Podstawowych Problemów Techniki PAN
• Czasopismo: Archives of Mechanics
• Rocznik: 2016
• Tom: Vol. 68, nr 5
• Strony: 349--369
• Opis fizyczny: Bibliogr. 19 poz., rys. kolor.

Twórcy

autor

Yamamoto S.

• Department of Aerospace Engineering Nagoya University Furo-cho, Chikusa-ku Nagoya 464-8603, Japan

autor

Ikeda T.

• Department of Aerospace Engineering Nagoya University Furo-cho, Chikusa-ku Nagoya 464-8603, Japan

autor

Senba A.

• Department of Vehicle and Mechanical Engineering Meijo University 1-501 Shiogamaguchi, Tenpaku-ku Nagoya 468-8502, Japan

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