2016 Mechanics of Composite Materials

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Academic unit or major
Graduate major in Mechanical Engineering
Todoroki Akira 
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Course description and aims

This course deals with anisotropic composites as structural materials. The students who want to take this course should have learned mechanics of materials and the basic concept of theory of elasticity. The composite materials dealt with in this course include anisotropic elastic modulus and anisotropic strength. The concept of design of the composite structures is the main theme of this course.
Composite materials are applied to aircrafts, automobiles and robots. As one of the advanced design tools after the conventional mechanics of materials, design of anisotropic materials is dealt with in this course.
In the designing of composite materials, designers cannot have published fixed material data. The composite materials have different properties when the components made from the composites are fabricated with different method. The designers have to pay attention to the factor of safety from the fabrication method of the composite components. In this course, students will familiar with the mechanics of anisotropic materials. For the carbon fiber reinforced composites, tensile strength is different from the compassion strength. The course deals with the design of these strongly anisotropic materials. In addition, design of plate buckling of anisotropic composite plate is dealt with in this class.

Student learning outcomes

By the end of this course, students will be able to:
1) Understand the fabrication process of composites.
2) Learn how to deal with the safety factor for the large scatter composites
3) Learn the mechanics of materials of anisotropic materials
4) Learn the lamination theory
5) Acquire the structural design of composites


composites, anisotropic materilas

Competencies that will be developed

Specialist skills Intercultural skills Communication skills Critical thinking skills Practical and/or problem-solving skills

Class flow

Small exams or short reports will be given at every class.
Class notes can be downloaded from the web site.

Course schedule/Required learning

  Course schedule Required learning
Class 1 Introduction of composite materials (properties, fabrication process and applications) Class note #1
Class 2 Glass fiber reinforced plastic composites (weak anisotropic case) Class note #2
Class 3 Mechanics of anisotroipc materials (single lamina) Class note #3
Class 4 Lamination theory Class note #4
Class 5 Desing of laminaed composites Class note #5
Class 6 Nondestructive inspection Class note #6
Class 7 Multifunctional composites Class note #8
Class 8 Examination


The text cab be downloaded from the site
(Limited to inside of Tokyo Tech)

Reference books, course materials, etc.

Fiber reinforced composites, P.K.Mallick, CRC Press

Assessment criteria and methods

Small exams and short reports are 60%, the final exam is 40%

Related courses

  • MEC.C201 : Mechanics of Materials
  • MEC.C211 : Theory of Elasticity and Plasticity
  • MEC.C432 : Structural Integrity Assessment

Prerequisites (i.e., required knowledge, skills, courses, etc.)

Mechanics of materials must be taken. The basic of theory of elasticity has better be studied.

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