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- Academic unit or major
- Metallurgical Engineering
- Instructor(s)
- Muraishi Shinji Inamura Tomonari
- Class Format
- Lecture
- Media-enhanced courses
- Day/Period(Room No.)
- Fri1-2(S8-501)
- Group
- -
- Course number
- ZUF.M310
- Credits
- 1
- Academic year
- 2017
- Offered quarter
- 4Q
- Syllabus updated
- 2017/3/17
- Lecture notes updated
- -
- Language used
- Japanese
- Access Index
-
Course description and aims
This course focuses on the fundamental concepts of the fracture mechanics that describes the strength of the structural materials with a crack.
The reason why the ideal strength is not obtained in the real materials is explained. The condition for the crack propagation is shown by the energy of the crack. The stress intensity factor is defined and applied to some problems about fracture.
Student learning outcomes
1) Have an understanding of the condition for crack propagation.
2) Have an understanding of the stress intensity factor.
3) Have an understanding of the fracture toughness testing.
Keywords
brittle fracture, ideal strength, crack, energy release rate, Griffith crack theory, fracture toughness, stress intensity factor, small scale yielding, fracture toughness testing, damage-tolerant design
Competencies that will be developed
| ✔ Specialist skills | Intercultural skills | Communication skills | Critical thinking skills | Practical and/or problem-solving skills |
Class flow
1) Attendance is taken in every class.
2) Towards the end of class, students are given exercise problems related to what is taught on that day to solve.
Course schedule/Required learning
| Course schedule | Required learning | |
|---|---|---|
| Class 1 | Introduction to the fracture mechanics | Explain the ideal strength |
| Class 2 | Energy of crack 1 | Explain the Orowan crack theory |
| Class 3 | Energy of crack 2 | Explain the Griffith crack theory |
| Class 4 | Stress intensity factor | Explain the stress intensity factor |
| Class 5 | Small scale yielding | Explain the small scale yielding condition |
| Class 6 | Fracture toughness testing | Explain the fracture toughness testing |
| Class 7 | damage-tolerant design | Explain the damage-tolerant design |
Textbook(s)
None required
Reference books, course materials, etc.
Course materials are provided during class.
Assessment criteria and methods
Student's course scores are based on final exam (50%), exercise problems (25%) and attendence (25%).
Related courses
- ZUF.M309 ： Fatigue of Metals
Prerequisites (i.e., required knowledge, skills, courses, etc.)
No prerequisites are necessary, but enrollment in the related courses is desirable.
Contact information (e-mail and phone) Notice : Please replace from "[at]" to "@"(half-width character).
Tomonari Inamura, inamura.t.aa[at]m.titech.ac.jp
Office hours
Contact by e-mail in advance to schedule an appointment.
