Thermal fatigue cracks usually:
A . Initiate on the surface of the component.
B . Initiate in the subsurface of the component.
C . Grow very rapidly (at the speed of sound in the material).
D . Are very tight and narrow.
Answer: A
Thermal fatigue cracks usually:
A . Initiate on the surface of the component.
B . Initiate in the subsurface of the component.
C . Grow very rapidly (at the speed of sound in the material).
D . Are very tight and narrow.
Answer: A