MICROMECHANICAL MODELING FOR PREDICTION OF THE CREEP BEHAVIOR OF FIBROUSCOMPOSITE MATERIALS

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AHMADI ISA; ATAEE NEDA

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Journal: Modares Mechanical Engineering Year:2016 | Volume:16 | Issue:8 Page(s): 0-0

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Title

MICROMECHANICAL MODELING FOR PREDICTION OF THE CREEP BEHAVIOR OF FIBROUSCOMPOSITE MATERIALS

Author(s)

AHMADI ISA | ATAEE NEDA | Issue Writer Certificate

Keywords

MICROMECHANICAL MODELINGQ1

CREEP PROPERTIESQ1

STEADY STATE CREEPQ1

FINITE ELEMENT METHODQ2

REPRESENTATIVE VOLUME ELEMENT (RVE)Q2

Abstract

micro-mechanical model based on the representative volume element (RVE) is presented to study thetime-dependent and creep behavior of fibrous composite material. To this aim a finite element model ispresented for analysis of creep behavior of material in multi-axial creep are presented. The generalizedplane strain condition is employed to model the behavior of the RVE in axial and transverse normalloading. The governing equations of the problem in the RVE are discretized using the presented finiteelement method and the stiffness and force matrixes are presented. Appropriate boundary conditions areimplied to the RVE in order to consider the transverse and axial loading conditions including creepbehavior. The Euler explicit method is employed to solve the discretized equations in the time domain.The distribution of micro-stresses and the effect of creep in re-distribution of the stresses are studied.The STEADY STATE CREEP behavior of composite in macro-mechanical scale is investigated by analysis of the micromechanical behavior of the RVE. The macro-mechanical creep behavior of metal matrixcomposite in axial and transverse loading is predicted from the presented micromechanical model.

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APA: Copy

AHMADI, ISA, & ATAEE, NEDA. (2016). MICROMECHANICAL MODELING FOR PREDICTION OF THE CREEP BEHAVIOR OF FIBROUSCOMPOSITE MATERIALS. MODARES MECHANICAL ENGINEERING, 16(8), 0-0. SID. https://sid.ir/paper/356493/en

Vancouver: Copy

AHMADI ISA, ATAEE NEDA. MICROMECHANICAL MODELING FOR PREDICTION OF THE CREEP BEHAVIOR OF FIBROUSCOMPOSITE MATERIALS. MODARES MECHANICAL ENGINEERING[Internet]. 2016;16(8):0-0. Available from: https://sid.ir/paper/356493/en

IEEE: Copy

ISA AHMADI, and NEDA ATAEE, “MICROMECHANICAL MODELING FOR PREDICTION OF THE CREEP BEHAVIOR OF FIBROUSCOMPOSITE MATERIALS,” MODARES MECHANICAL ENGINEERING, vol. 16, no. 8, pp. 0–0, 2016, [Online]. Available: https://sid.ir/paper/356493/en

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