#43 Fatigue Failure of Materials | High Cycle Fatigue,Low Cycle Fatigue,Stress Ratio,Amplitude Ratio
Welcome to 'Basics of Materials Engineering' course ! This lecture differentiates between high cycle fatigue (HCF) and low cycle fatigue (LCF) based on the number of cycles to failure. It explains the three stages of fatigue failure: crack initiation, crack propagation, and final fracture. It introduces the stress-life and strain-life approaches for assessing fatigue behavior. NPTEL Courses permit certifications that can be used for Course Credits in Indian Universities as per the UGC and AICTE notifications. To understand various certification options for this course, please visit https://nptel.ac.in/courses/112106293 #HighCycleFatigue #LowCycleFatigue #FatigueFailureMechanism #StressLifeApproach #StrainLifeApproach
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#42 Fatigue Failure of Materials | S N Diagram | Types of Time Varying Loads
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