Inherent Discontinuities - Hot Tears Flashcards
1
Q
Location of a hot tear:
A
internal or near surface
2
Q
Appearance of a hot tear:
A
sharp ragged line of variable width and numerous branches - continuous or intermittent
3
Q
Do hot tears occur individually or in groups?
A
both, individually or groups
4
Q
Cause of a hot tear:
A
non-uniform cooling
5
Q
Where do hot tears occur, thinner or thicker sections?
A
thinner - cools more rapidly
6
Q
Use of fluorescent penetrant on a rough casting may produce …
A
a high degree of background
