Mechanics of Fracture Initiation and Propagation is popular PDF and ePub book, written by George C. Sih in 2012-12-06, it is a fantastic choice for those who relish reading online the Science genre. Let's immerse ourselves in this engaging Science book by exploring the summary and details provided below. Remember, Mechanics of Fracture Initiation and Propagation can be Read Online from any device for your convenience.
Mechanics of Fracture Initiation and Propagation Book PDF Summary
The assessment of crack initiation and/or propagation has been the subject of many past discussions on fracture mechanics. Depending on how the chosen failure criterion is combined with the solution of a particular theory of continuum mechanics, the outcome could vary over a wide range. Mod elling of the material damage process could be elusive if the scale level of observation is left undefined. The specification of physical dimension alone is not sufficient because time and temperature also play an intimate role. It is only when the latter two variables are fixed that failure predictions can be simplified. The sudden fracture of material with a pre-existing crack is a case in point. Barring changes in the local temperature,* the energy released to create a unit surface area of an existing crack can be obtained by considering the change in elastic energy of the system before and after crack extension. Such a quantity has been referred to as the critical energy release rate, G e, or stress intensity factor, K Ie. Other parameters, such as the crack opening displacement (COD), path-independent J-integral, etc. , have been proposed; their relation to the fracture process is also based on the energy release concept. These one-parameter approaches, however, are unable simultaneously to account for the failure process of crack initiation, propagation and onset of rapid fracture. A review on the use of G, K I, COD, J, etc. , has been made by Sih [1,2].
Detail Book of Mechanics of Fracture Initiation and Propagation PDF
- Author : George C. Sih
- Release : 06 December 2012
- Publisher : Springer Science & Business Media
- ISBN : 9789401137348
- Genre : Science
- Total Page : 429 pages
- Language : English
- PDF File Size : 14,8 Mb
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