Anna University Syllabus - Anna University ME Syllabus
AO7009 FATIGUE AND FRACTURE MECHANICS Syllabus | Anna University ME Aerospace Technology & Satellite Technology streams Second Semester Syllabus Regulation 2013. Below is the Anna University 2013 Regulation Syllabus for 2nd Semester for ME Aerospace Technology & Satellite Technology streams, Textbooks, Reference books, Exam portions, Question Bank, Previous year question papers, Model question papers, Class notes, Important 2 marks, 8 marks, 16 marks topics.
It is applicable for all students admitted in the Academic year 2013-2014 onwards for all its Affiliated institutions in Tamil Nadu.
Anna University Chennai Syllabus
AO7009 FATIGUE AND FRACTURE MECHANICS L T P C
3 0 0 3
OUTCOME:
Upon completion of the course, students will learn about fracture behaviour, fatigue design and testing
of structures.
UNIT I FATIGUE OF STRUCTURES 10
S.N. curves – Endurance limit – Effect of mean stress – Goodman, Gerber and Soderberg relations
and diagrams – Notches and stress concentrations – Neuber’s stress concentration factors – plastic
stress concentration factors – Notched S-N curves.
UNIT II STATISTICAL ASPECTS OF FATIGUE BEHAVIOUR 8
Low cycle and high cycle fatigue – Coffin-Manson’s relation – Transition life – Cyclic Strain hardening
and softening – Analysis of load histories – Cycle counting techniques – Cumulative damage –
Miner’s theory – other theories.
UNIT III PHYSICAL ASPECTS OF FATIGUE 5
Phase in fatigue life – Crack initiation – Crack growth – Final fracture – Dislocations – Fatigue fracture
surfaces.
UNIT IV FRACTURE MECHANICS 15
Strength of cracked bodies – potential energy and surface energy – Griffith’s theory – Irwin – Orwin
extension of Griffith’s theory to ductile materials – Stress analysis of cracked bodies – Effect of
thickness on fracture toughness – Stress intensity factors for typical geometries.
UNIT V FATIGUE DESIGN AND TESTING 7
Safe life and fail safe design philosophies – Importance of Fracture Mechanics in aerospace structure
– Application to composite materials and structures.
TOTAL: 45 PERIODS
REFERENCES
1. D.Brock, “Elementary Engineering Fracture Mechanics”, Noordhoff International Publishing Co.,
London, 1994.
2. J.F.Knott, “Fundamentals of Fracture Mechanics”, Butterworth & Co., (Publishers) Ltd., London,
1983.
3. W.Barrois and L.Ripley, “Fatigue of Aircraft Structures”, Pergamon Press, Oxford, 1983.
4. C.G.Sih, “Mechanics of Fracture”, Vol.1 Sijthoff and Noordhoff International Publishing Co.,
Netherland, 1989.
AO7009 FATIGUE AND FRACTURE MECHANICS L T P C
3 0 0 3
OUTCOME:
Upon completion of the course, students will learn about fracture behaviour, fatigue design and testing
of structures.
UNIT I FATIGUE OF STRUCTURES 10
S.N. curves – Endurance limit – Effect of mean stress – Goodman, Gerber and Soderberg relations
and diagrams – Notches and stress concentrations – Neuber’s stress concentration factors – plastic
stress concentration factors – Notched S-N curves.
UNIT II STATISTICAL ASPECTS OF FATIGUE BEHAVIOUR 8
Low cycle and high cycle fatigue – Coffin-Manson’s relation – Transition life – Cyclic Strain hardening
and softening – Analysis of load histories – Cycle counting techniques – Cumulative damage –
Miner’s theory – other theories.
UNIT III PHYSICAL ASPECTS OF FATIGUE 5
Phase in fatigue life – Crack initiation – Crack growth – Final fracture – Dislocations – Fatigue fracture
surfaces.
UNIT IV FRACTURE MECHANICS 15
Strength of cracked bodies – potential energy and surface energy – Griffith’s theory – Irwin – Orwin
extension of Griffith’s theory to ductile materials – Stress analysis of cracked bodies – Effect of
thickness on fracture toughness – Stress intensity factors for typical geometries.
UNIT V FATIGUE DESIGN AND TESTING 7
Safe life and fail safe design philosophies – Importance of Fracture Mechanics in aerospace structure
– Application to composite materials and structures.
TOTAL: 45 PERIODS
REFERENCES
1. D.Brock, “Elementary Engineering Fracture Mechanics”, Noordhoff International Publishing Co.,
London, 1994.
2. J.F.Knott, “Fundamentals of Fracture Mechanics”, Butterworth & Co., (Publishers) Ltd., London,
1983.
3. W.Barrois and L.Ripley, “Fatigue of Aircraft Structures”, Pergamon Press, Oxford, 1983.
4. C.G.Sih, “Mechanics of Fracture”, Vol.1 Sijthoff and Noordhoff International Publishing Co.,
Netherland, 1989.
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