Modelling of Hybrid Materials and Interface Defects through Homogenization Approach for the Prediction of Effective Thermal Conductivity of FRP Composites Using Finite Element Method | Zendy

C. Mahesh | Zendy; K. Govindarajulu | Zendy; V. Balakrishna Murthy | Zendy

Open Access

Modelling of Hybrid Materials and Interface Defects through Homogenization Approach for the Prediction of Effective Thermal Conductivity of FRP Composites Using Finite Element Method

Author(s) -

C. Mahesh,

K. Govindarajulu,

V. Balakrishna Murthy

Publication year - 2013

Publication title -

advances in materials science and engineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.356

H-Index - 42

eISSN - 1687-8442

pISSN - 1687-8434

DOI - 10.1155/2013/147693

Subject(s) - materials science , homogenization (climate) , micromechanics , composite material , thermal conductivity , finite element method , composite number , fibre reinforced plastic , matrix (chemical analysis) , thermal , conductivity , structural engineering , chemistry , meteorology , engineering , biology , biodiversity , ecology , physics

Finite element method is effectively used to homogenize the thermal conductivity of FRP composites consisting of hybrid materials and fibre-matrix debonds at some of the fibres. The homogenized result at microlevel is used to determine the property of the layer using macromechanics principles; thereby, it is possible to minimize the computational efforts required to solve the problem as in state through only micromechanics approach. The working of the proposed procedure is verified for three different problems: (i) hybrid composite having two different fibres in alternate layers, (ii) fibre-matrix interface debond in alternate layers, and (iii) fibre-matrix interface debond at one fibre in a group of four fibres in one unit cell. It is observed that the results are in good agreement with those obtained through pure micro-mechanics approach

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