Which of the following increases the yield strength of a material?
Above approximately what temperature does creep become an im…
Above approximately what temperature does creep become an important failure mechanism for a metal?
In FCC metals, there are ___ slip systems.
In FCC metals, there are ___ slip systems.
Stress concentration is higher for sharp cracks compared to…
Stress concentration is higher for sharp cracks compared to blunt cracks.
If either the applied stress or the temperature is increased…
If either the applied stress or the temperature is increased during creep testing, the rupture lifetime:
Fatigue failure is responsible for ~ ____% of mechanical eng…
Fatigue failure is responsible for ~ ____% of mechanical engineering failures.
Depending on the strength of grain boundaries, the crack may…
Depending on the strength of grain boundaries, the crack may be:
Solid solutions have higher yield strength than the correspo…
Solid solutions have higher yield strength than the corresponding pure metals because:
The increase in strength due to an increase in dislocation d…
The increase in strength due to an increase in dislocation density is known as:
Ductile fracture generally occurs in __________.
Ductile fracture generally occurs in __________.