Fatigue, Fracture and Creep
Course Name:
Fatigue, Fracture and Creep (MT324)
Programme:
Semester:
Category:
Credits (L-T-P):
Course Outcomes:
CO1: Introduce Fracture Mechanics
CO2: Develop skills in Fracture Signature Identification
CO3: Introduce fatigue failure of materials
CO4: Discuss materials properties at elevated temperatures and introduce creep
Course modules and teaching hours:
Module 1: (10 hours)
Machine design concepts, factor of safety, stress concentration factor, tress intensity factor, fracture toughness, theories of Inglis, Griffith and Irwin, numerical problems
Module 2: (10 hours)
Classification of fracture, fracture signature identification, fractography, characterization tools, failure analysis, case studies
Module 3: (10 hours)
Introduction to fatigue failure, s-n curves, generation of S-N curves, statistical variations, low cycle fatigue, high cycle fatigue, Goodman diagram, case studies
Module 4: (8 hours)
Introduction to creep, creep curves, creep test, creep-rupture test, stress-rupture test, deformation mechanism maps