Faculty of Engineering

Undergraduate - Unit

This unit entry is for students who completed this unit in 2014 only. For students planning to study the unit, please refer to the unit indexes in the the current edition of the Handbook. If you have any queries contact the managing faculty for your course or area of study.

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6 points, SCA Band 2, 0.125 EFTSL

Refer to the specific census and withdrawal dates for the semester(s) in which this unit is offered, or view unit timetables.

FacultyFaculty of Engineering
Organisational UnitDepartment of Materials Engineering
OfferedClayton First semester 2014 (Day)
Coordinator(s)R Lapovok


Normal and shear stresses in three dimensions. Mohrs circle for stress in two and three dimensions. Strain state analysis, normal, shear , principal and volumetric strains. Invariants of stress and strain. Linear elasticity. Visco-elasticity. Yielding criteria. Strain rate and temperature effects. Power-law deformation. Work hardening and hardening coefficient. True and engineering stress strain curves. Influence of the loading path on mechanical properties. Brittle failure. Yielding and yield point phenomena. Stress concentrations. Irwin analysis of stress around a crack. Fracture toughness. Griffith analysis. Phenomenological and classical theories of fracture.


  1. An understanding of stress and elastic strain
  2. knowledge on elastic, visco-elastic and plastic deformation of materials
  3. appreciation of mechanical testing techniques
  4. basic knowledge on the fracture mechanics of materials.


Examination (3 hours): 60%
Assignments: 30%
Laboratory work: 10%

Chief examiner(s)

Workload requirements

36 lecture/practice classes, 3 laboratory experiments