Heat treatment
11 practice questionsEngineering MaterialsStep-by-step solutions
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1
The gradual chemical degradation of a metal by reaction with its environment (e.g., iron rusting) is called:
A.Corrosion
B.Annealing
C.Forging
D.Sintering
2
Annealing a cold-worked metal generally:
A.Increases hardness and brittleness
B.Softens it and relieves internal stresses
C.Adds carbon
D.Causes corrosion
3
Annealing a metal is primarily done to:
A.Soften it and relieve internal stresses
B.Make it harder and more brittle
C.Increase its density
D.Add carbon to the surface
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