SYLLABUS
MAE
543
Fracture Mechanics
NC State University
| TuTh 3:00-4:15PM Broughton 3219 | Spring Semester 2008 |
| Instructor: | Dr. J. W. Eischen |
| Email: | eischen@ncsu.edu |
| Office: | 4154 Broughton Hall (919 515-5263) |
| Hours: | 1-3PM MW |
| Support: |
Prerequisite:
Introductory graduate level course in advanced strength of materials or theory of elastictity (MAE541) or consent of the instructor.
Grading:
| Homework (partial grading, full solution postings) | 20% |
| Midterm- Tuesday Feb 26 (open book 24 hour take-home) | 30% |
| Final Exam- Tuesday April 29 1-4PM (open book in class) | 50% |
Textbook:
R. J. Sanford, Principles of Fracture Mechanics, Prentice Hall, 2002, ISBN 0-13-092992-1.
http://www.wam.umd.edu/~sanford/prinfracmech.html
Software required:
Basic graphing capability like Excel, symbol manipulation capability like MAPLE, and matrix manipulation like MATLAB.
Course Schedule and Outline:
| Week | Dates | Lecture | Topics | Suggested Reading |
| 1 | Jan 9-11 | 1 | Introduction and overview, Concept of the stress intensity factor. | 1.1-1.4, 3.6-3.8 |
| 2 | Jan 14-18 | 2,3 | Stress intensity factors.Griffith theory of fracture. | 7.1-7.2, 7.4 |
| 3 | Jan 21-25 | 4,5 | Continued. Review of 2D elasticity theory | 2.1-2.5 |
| 4 | Jan 28- Feb 1 | 6,7 | Linear elastic crack tip stress and displacement fields. Eigenfunction expansions.Continued | 3.1-3.2 |
| 5 | Feb 4-8 | 8,9 | Exact full field solutions to crack problems. | 3.4 |
| 6 | Feb 11-15 | 10,11 | Stress intensity factors- additional considerations | 3.6-3.8 (again) |
| 7 | Feb 18-22 | 12 | Continued. Fractography | |
| 8 | Feb 25-29 | 13,14 | J integral analysis, Midterm Tues. | |
| 9 | Mar 3-7 | Spring Break. | ||
| 10 | Mar 10-14 | 15,16 | J integral/energy release rate, Dugdale model. Crack opening displacement failure criterion.. | 6.2-6.3 |
| 11 | Mar 17-21 | 17,18 | Continued | |
| 12 | Mar 24-28 | 19,20 | Fracture toughness testing. Fatigue crack initiation- strain life and stress life approaches | 8.1-8.2 |
| 13 | Mar. 31-Apr. 4 | 21,22 | Fatigue crack growth. |
9.1-9.4 |
| 14 | Apr 7-11 | 23,24 | Continued. Elastic-plastic fracture mechanics. | 11.1-11.4 |
| 15 | Apr 14-18 |
24,25 | Continued. | |
| 16 | Apr 21-25 | 26,27 | Conitnued |