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ES 247

Zhigang Suo's picture

Resistance Curve

These notes were initially written when I taught fracture mechanics in spring 2010, and were updated when I taught the course again in 2014.

You can access all notes for the course on fracture mechanics

Zhigang Suo's picture

Linear elastic fracture mechanics

These notes were initially written when I taught fracture mechanics in spring 2010.  The title of the notes was then "toughness".  In revising the notes for the class in 2014, I have changed the title of the notes to "Linear elastic fracture mechanics".

You can access all notes for the course on fracture mechanics

Zhigang Suo's picture

Crack-tip field

These notes were initially written when I taught fracture mechanics in spring 2010.  The title of the notes was then "stress intensity factor".  In revising the notes for the class in 2014, I have changed the title of the notes to "crack-tip field".

You can access all notes for the course on fracture mechanics

 

Zhigang Suo's picture

Applications of Fracture Mechanics

These notes were prepared when I taught fracture mechanics in 2010, and were updated when I taught the course again in 2014.

Notes on other parts of the course are also online.

Zhigang Suo's picture

Energy release rate. Fracture energy

These notes were prepared when I taught fracture mechanics in 2010, and were updated when I taught the course again in 2014. I hope to start a conversation at a new post entitled Division of Labor.

Notes on other parts of the course are also online.

Zhigang Suo's picture

The Griffith Paper

I wrote these notes on the Griffith (1921) paper for a graduate course on fracture mechanics taught in 2010.  The notes were updated when I taught the course in 2014, and were discussed in a new thread titled Inglis (1913) vs. Griffith (1921).

 

Zhigang Suo's picture

Trouble with linear elastic theory of strength

A body is subject to a load. What is the magnitude of the load that will cause the body to fracture? Let us begin with a body made of a glass, which deforms elastically by small strains. A procedure you have been taught before probably goes as follows. You first determine the maximum stress in the body. You then determine the strength of the material. The body is supposed to fracture when the maximum stress in the body reaches the strength of the material.

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