Failure - Chapter 10 Flashcards
1
Q
Simple Fracture
A
Separation of a body into two or more pieces in response to an imposed stress that is static
2
Q
Two steps of fracture?
A
Crack formation and propagation
3
Q
Stable crack?
A
A crack that resists any further extension unless there is an increase in applied stress.
4
Q
Unstable crack?
A
Once started, continues spontaneously without an increase in applied stress.
5
Q
Why is ductile fracture preferred over brittle fracture?
A
Ductile is noticeable before failure occurs, however brittle fracture occurs suddenly and catastrophically without warning.
