NAME:_
MAE 543-651
Fracture Mechanics
Dr. Eischen
NC State University
Homework #1
DUE: Friday May 31 (DE students 5PM EST)
Summer Semester 2013
1.) Describe two real-world examples of failures involving fracture, one from your own
experience and one found
NAME:_
MAE 543-651
Fracture Mechanics
Dr. Eischen
NC State University
Homework #4
DUE: Friday July 19
Summer Session 2013
1.) Complete the J integral calculation started in class for the center-cracked plate. Show
that contribution to J for segment 3 is -
NAME:_
MAE 543-651
Fracture Mechanics
Dr. Eischen
NC State University
DUE: Fri July 5th (5PM EST for DE)
Summer Semester 2013
Homework #3
1. ) The Westergaard method of crack analysis is closely related to the complex variable
method of Kolosoff- Muskheli
NAME:_
MAE 543- 651
Fracture Mechanics- Dr. Eischen
NC State University
Homework #5
DUE: )UL Aug
Summer Semester 201
1.) A plane strain fracture toughness test of a steel sample (yield strength 57ksi) has been
conducted in accordance with the procedures
l4
or /
A ’j/ 0. Z
.3: X P 7?
J: O
0- , 7
J}: > Z 2? 1 7 ’7
'77 my”
(y"4)/"«\"z‘qi
.12 324"
u ._._. 72 M 47AM _.-
—‘v~m-—m—— 4 4 / ./ML—
_ T (care/r441 _zr/r._/ 45 M ’2)?!“
‘
'— — ' ' —' Ww_—_m._
M 97
970L— 5W 'Q—_
_. _. .——_.—_.n_._ . ,4?
/A X
6‘ A