Engineering Sciences 247: Fracture Mechanics

Fall 2020, Tuesday and Thursday 12:00 pm–1:15 pm.

• Everything about ES 247, with up to date notes
• Prerequisite:Engineering Sciences 240or equivalent. If you are unsure of your background, read the sections onElements of Linear ElasticityandPlane Elasticity Problems.

Topics

• Trouble with linear elastic theory of strength
• The Griffith paper
• Chemical bond and surface energy
• Energy release rate. Fracture energy
• 一个pplications of fracture mechanics
• Crack-tip field
• Linear elastic fracture mechanics
• Flaw sensitivity
• Resistance curve
• Fatigue
• Stress corrosion
• Fracture of rubber
• Fracture of rubber. Lecture 2
• The J integral
• Elastic-plastic fracture mechanics. Lecture 1
• Elastic-plastic fracture mechanics. Lecture 2
• Crack bridging. Lecture 1
• Crack bridging. Lecture 2
• Mixed-mode fracture. Curved crack path
• Interfacial fracture
• Toughness due to hysteretic deformation

Textbooks. Quite a few books are available in the library, such as

• B. Lawn, Fracture of Brittle Solids, Cambridge University Press (1993).
• D. Broek, Elementary Engineering Fracture Mechanics. Martinus Nijhoff Publishers, Boston (1986).
• J.M. Barsom and S.T. Rolfe, Fracture and Fatigue Control in Structures. Prentice Hall, 1999.
• T.L. Anderson, Fracture Mechanics: Fundamentals and Applications. CRC Press, Boston (1995).
• S. Suresh, Fatigue of Materials, Cambridge University Press (1998).
• M.F. Kanninen and C.H. Popelar, Advanced Fracture Mechanics, Oxford Press (1985).
• K.B. Broberg, Cracks and Fracture, Academic Press. (1999)
• L.B. Freund, Dynamic Fracture Mechanics, Cambridge University Press (1990).

Online resources

• 一个lan Zehnder,Fracture Mechanics Book.
• j . w .厨inson,Notes on Nonlinear Fracture Mechanics
• j . w .厨inson and Z. Suo,Mixed-Mode Cracking in Layered Materials.
• j . w .厨inson,断裂力学的薄膜和多层膜.

Handbooks

• W.C. Young, Roark’s Formulas for Stress and Strain, 6th edition, McGraw-Hill, New York, 1989.
• R.E. Peterson,Stress Concentration Factors, John Wiley, New York, 1974. 2nd edition by W.D. Pilkey, 1997.
• H. Tada, P.C. Paris and G.R. Irwin,The Stress Analysis of Cracks Handbook,Del Research, St. Louis, MO., 1985.

Grading

• Homework (80%)
• Final exam (20%)