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Linear elastic fracture mechanics. Introduction to elastic-plastic fracture mechanics. Analysis of engineering failures. Design and material selection to avoid failure.
ENME457 is a course on the mechanics of deformation and fracture in structural materials. Methods of predicting component failure and fracture safe design concepts are emphasized, i.e., understanding the relationships between stress, the ever-present population of defects or flaws in materials, one's ability to detect flaws, and the mechanisms for failure.The laboratory component of this course will present tools and methodology for failure analysis. Failure analysis is used to determine the root cause and mechanism of a failure of a component or assembly. We will introduce the important aspects of such an investigation, including fractography, metallography and experimental methods such as scanning electron microscopy (SEM) and energy dispersive spectroscopy (EDS).
A. Understanding of elastic and plastic deformation mechanisms.B. Application of brittle fracture safe design methods, including linear elastic fracture mechanics (LEFM), e.g., leak-before-break.C. Concept of fracture toughness and temperature effects, and prediction of component behaviourD. Understanding of mechanisms for fatigue and application of fatigue life methods, including stress-based, strain-based, and LEFM-based methods.E. Understanding of mechanisms for environmentally assisted cracking (EAC), application of EAC life calculations.F. Understanding of mechanisms for creep and application of creep life calculations.G. Methods for laboratory based failure analysis: the entire methodology includes metallography, mechanical testing, optical and scanning electron microscopy and energy dispersive X-ray spectroscopy.
ENME227
Milo Kral
Dowling, Norman E; Mechanical Behaviour of Materials ; 4th Edition; 2012.
Dieter, G.E; Mechanical Metallurgy: Principles and Applications ;
Hertzberg, R.W; Deformation and Fracture Mechanics of Engineering Materials ;
Scully, J.C; Fundamentals of Corrosion ; 1975.
Unknown; D. ASM Metals Handbooks ;
Domestic fee $622.00
International fee $3,500.00
* All fees are inclusive of NZ GST or any equivalent overseas tax, and do not include any programme level discount or additional course-related expenses.
For further information see Mechanical Engineering .