National Institute of Technology Rourkela

राष्ट्रीय प्रौद्योगिकी संस्थान राउरकेला

ଜାତୀୟ ପ୍ରଯୁକ୍ତି ପ୍ରତିଷ୍ଠାନ ରାଉରକେଲା

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Syllabus

Course Details

Subject {L-T-P / C} : CE6233 : Composite Structures { 3-0-0 / 3}

Subject Nature : Theory

Coordinator : Kishore Chandra Biswal

Syllabus

Module 1 :

Module 1: [6 hrs]
Introduction: Classification and characteristics of Composite materials, advantages and limitations, Basic Concepts and characteristics: Homogeneity and Heterogeneity, Isotropy, Orthotropy and Anisotropy Characteristics and configurations of lamina, laminate, micromechanics and macromechanics. Constituent materials and properties
Module 2: [8 hrs]
Elastic properties of the unidirectional lamina: Anisotropic, orthotropic and transversely isotropic materials, Stress-strain relations, Engineering constants, Transformation of stress and strain, Transformation of engineering constants, typical elastic properties of a unidirectional lamina.
Module 3: [6 hrs]
Failure Theories and Strength of a unidirectional lamina: Micromechanics of failure of unidirectional lamina, Failure theories- Maximum stress theory, maximum strain theory, Deviatoric strain energy theory (Tsai-Hill), Interactive tensor polynomial theory (Tsai-Wu).
Module 4: [8 hrs]
Elastic Behavior of multidirectional laminates: Basic assumptions, Stress-strain relations, load deformation relations, symmetric and balanced laminates, laminate engineering properties, Hygrothermal effects in laminates:
Analysis of composite beam: Definitions, basic assumptions, bending analysis of laminated beams.
Module 5: [8 hrs]
Bending of laminated plates: Governing equations, Deflection of simply supported rectangular symmetric angle-ply, specially orthotropic, anti-symmetric cross-ply lamina.
Introduction to Functionally graded materials.

Course Objective

1 .

Students should learn the advantages and drawbacks of composites over metals.

2 .

Students should learn the properties of laminated composite materials.

3 .

Students should develop mathematical models for analysis of composite structures.

4 .

Students should use the above mathematical models to design composite structures.

Course Outcome

1 .

1: Students will be able to understand the properties of fibres, matrices and composites and its applications
2: Students will be able to understand elastic properties of the unidirectional lamina and
develop constitutive relation.
3. Students will be able to develop mathematical models to understand the mechanical
response of composite to mechanical and hygrothermal loads.
4: Students will be able to understand failure theories and apply these to determine the strength of laminated composite.
5. Students will be able to analyse and design structures made of composites

Essential Reading

1 .

R.M. Jones, Mechanics of Composite materials, Taylor and Francis , -

2 .

I. M. Daniel and O. Ishai, Engineering mechanics of Composite materials, Oxford university press , -

Supplementary Reading

1 .

D. Hull and T. W. Clyne, An introduction to composite materials, Cambridge university press , -

2 .

J.N. Reddy, Mechanics of laminated composite plates and shells-Theory and Analysis, CRC Press , -