Effect of residual stresses on the stress intensity factor of cracks in a metal matrix composite: numerical analysis

• Autorzy: Ramdoum S. , Bouafia F. , Serier B. , Fekirini H.
• Języki publikacji: EN

Abstrakty

EN

In this work, the finite element method was used to determine the stress intensity factors as a function of crack propagation in metal matrix composite structure, A threedimensional numerical model was developed to analyze the effect of the residual stresses induced in the fiber and in the matrix during cooling from the elaboration temperature at room temperature on the behavior out of the composite. Added to commissioning constraints, these internal stresses can lead to interfacial decohesion (debonding) or damage the matrix. This study falls within this context and allows cracks behavioral analysis initiated in a metal matrix composite reinforced by unidirectional fibers in ceramic. To do this, a three-dimensional numerical model was analyzed by method of finite element (FEM). This analysis is made according to several parameters such as the size of the cracking defects, its propagation, its interaction with the interface, the volume fraction of the fibers (the fiber-fiber interdistance), orientation of the crack and the temperature.

Słowa kluczowe

EN

Finite Element Method; FEM; crack; matrix; fiber; temperature

PL

metoda elementów skończonych; MES; szczelina; macierz; włókno; temperatura

• Wydawca: Wydawnictwo Politechniki Łódzkiej
• Czasopismo: Mechanics and Mechanical Engineering
• Rocznik: 2018
• Tom: Vol. 22, nr 1
• Strony: 119--131
• Opis fizyczny: Bibliogr. 24 poz., il. kolor., rys., wykr.

Twórcy

autor

Ramdoum S.

• Laboratory of Mechanic, Physics of Materials, University of Sidi Bel Abbes, Algeria

autor

Bouafia F.

• Laboratory of Mechanic, Physics of Materials, University of Sidi Bel Abbes, Algeria

autor

Serier B.

• Laboratory of Mechanic, Physics of Materials, University of Sidi Bel Abbes, Algeria

autor

Fekirini H.

• Laboratory of Mechanic, Physics of Materials, University of Sidi Bel Abbes, Algeria

Bibliografia

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Uwagi

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2018).