22nd December 2011, 09:34 PM
Fatique in metals seminar report/pdf/ppt download
Mechanical components can fail at stresses well below the tensile strength of the material if subjected to alternating loads.
• Failure of ductile materials under alternating loads occurs in a quasi brittle manner, i.e. by crack propagation.
• Failure is preceded by characteristic changes in the material microstructure
• This phenomenon is called ‘Metals Fatigue’.
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