|
|
||||||||
|
|
||||||||
Experimental Mechanics @
|
||||||||
|
|
||||||||
|
Recent
Research: Crack Closure Studies using PE |
||||||||
|
|
|
|
|
|||||
|
|
||||||||
|
|
|
Fringes indicating the presence of plasticity
induced crack closure in the crack wake |
||||||
|
|
Fringes indicating the occurrence of crack closure
caused by mismatching fracture surfaces. |
|||||||
|
The
fringes in a 6x8mm section of the specimen, with no load applied.Click
this picture to see a colour video of a complete
load cycle. (file size 301 KB) |
|
|||||||
|
|
||||||||
|
Crack
taken in a dark field circular reflection polariscope, with the plastic zone
and the crack within it clearly visible. |
||||||||
|
|
||||||||
|
|
|
|||||||
|
|
|
|
||||||
|
|
|
|
||||||
|
|
|
|||||||
|
|
|
|||||||
|
|
|
|||||||
|
|
||||||||
