Learn · Engineering Fracture Mechanics
Lecture 27 of 36Week 9
Fracture Toughness Testing
Prof. K. Ramesh and Prof. Tarkes Dora Pallicity · IIT Madras
Credits and licence
- From
- Engineering Fracture Mechanics, IIT Madras (at NPTEL)
- Licence
- CC BY-NC-SA, as NPTEL states it. Non-commercial use only.
- Attribution
- NPTEL states: "Distributed under Creative Commons Attribution-ShareAlike / CC BY - NC - SA", beside a BY-NC-SA badge. Coordinated by IIT Guwahati.
- Who can watch
- Tweens profiles and older. How courses are placed
All the lectures
- EFM Course Outline
- Spectacular Failures
- Lessons from Spectacular Failures
- LEFM and EPFM
- Fracture Mechanics is Holistic
- Fatigue Crack Growth Model
- Crack Growth and Fracture Mechanisms
- Elastic Strain Energy
- Fracture Strength by Griffith
- Energy Release Rate
- Utility of Energy Release Rate
- Pop-in Phenomenon
- Displacement and Stress Formulations
- Forms of Stress Funcitons
- Airy's Stress Function for Mode-I
- Westergaard Solution of Stress Field for Mode-I
- Displacement Field for Mode-I
- Relationship between KI and GI
- Stress Field in Mode-II
- Generalized crack tip stress field equations
- Evaluation of SIF for Various Geometries
- SIF for Embedded Cracks
- SIF for Surface Cracks
- Modeling of Plastic Deformation
- Irwin's Model
- Dugdale Model
- Fracture Toughness Testing
- Plane Strain Fracture Toughness Testing
- Plane Stress Fracture Toughness Testing
- Paris Law and Sigmoidal Curve
- Crack Closure
- Crack Growth Models
- J-Integral
- HRR Fields and CTOD
- FAD and Mixed Mode Fracture
- Crack Arrest and Repair Methodologies