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MPP007 Mechanics of Fiber Composites 7.5 ECTS credits | |
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TIMEPERIOD: Q III LANGUAGE:Swedish EXAMINER Janis Varna Univ lekt PREREQUISITES Matrix algebra and basic strenght of materials concepts. COURSE AIM The course provides an understanding of the basic mechanisms govering the thermo-mechanical performance of fiber composites. Micro-mechanical and macro-performance models for analysis of deformation and damage are analyzed. They form the basis for design considerarions and failure analysis of polymer structures subjected to mechanical and thermal loads. CONTENTS Applications for composites: Introduction, manufacturing methods, properties in comparison with other materials. Properties of fibers and matrices: Glass, carbon, and polymer-based fibers (ie aramid), properties, mechanisms of failure. Properties of thermoplastics and thermosets, failure mechanisms. Mechanics of load transfer at the interface. Stiffness properties: Micromechanics. Ply stiffnesses, stress, stiffness and compliance transformations. Stress and strain analysis of laminates. Laminate constitutive equations, symmetric, balanced, cross-ply and quasi-isotropic laminates. Strengt properties: Failure mechanisms of the ply, failure criteria of the ply. Laminate failure analysis. Moisture effects and residual strains. Fatigue. Design Application of methods from stiffness and strenght analysis. Design philosophy, mechanical testing and quality aspects. Examples. Design of laminate according to specified demands using commercial software for laminate analysis.Testing of the designed laminates. Comparison between results from the theoretical analyses and experimental data. TEACHING Lectures and laboratory work EXAMINATION Written examination at the end of the course. COURSE GRADE SCALE: U, 3, 4, 5 ITEMS/CREDITS | |
| Laboratory work | 3.75ECTS |
| Written exam | 3.75ECTS |
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COURSE LITERATURE Agarwal BD and LJ Broutman: Analysis and Performance of Fibre Composites, Wiley-Interscience, 2nd ed, 1990. Halpin JC; "Primer on Composite Materials: Analysis." Technomic Publishing Co. J. Varna and L. Berglund; "Mechanical of Fiber Composite Materials". Kompendium, Luleå, 1997. REMARKS Further information: International Office |
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