Scaling phenomena in fatigue and fracture

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Description

The general classification of scaling laws will be presented and the basic concepts of modern similarity analysis--intermediate asymptotics, complete and incomplete similarity--will be introduced and discussed. The examples of scaling laws corresponding to complete similarity will be given. The Paris scaling law in fatigue will be discussed as an instructive example of incomplete similarity. It will be emphasized that in the Paris law the powers are not the material constants. Therefore, the evaluation of the life-time of structures using the data obtained from standard fatigue tests requires some precautions.

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21 pages

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Barenblatt, G.I. December 1, 2004.

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Description

The general classification of scaling laws will be presented and the basic concepts of modern similarity analysis--intermediate asymptotics, complete and incomplete similarity--will be introduced and discussed. The examples of scaling laws corresponding to complete similarity will be given. The Paris scaling law in fatigue will be discussed as an instructive example of incomplete similarity. It will be emphasized that in the Paris law the powers are not the material constants. Therefore, the evaluation of the life-time of structures using the data obtained from standard fatigue tests requires some precautions.

Physical Description

21 pages

Notes

OSTI as DE00838986

Source

  • 11th International Conference on Fracture, Torino (IT), 03/19/2005--03/26/2005

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  • Report No.: LBNL--56765
  • Grant Number: AC03-76SF00098
  • Office of Scientific & Technical Information Report Number: 838986
  • Archival Resource Key: ark:/67531/metadc788938

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Office of Scientific & Technical Information Technical Reports

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Creation Date

  • December 1, 2004

Added to The UNT Digital Library

  • Dec. 3, 2015, 9:30 a.m.

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  • April 4, 2016, 3:39 p.m.

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Barenblatt, G.I. Scaling phenomena in fatigue and fracture, article, December 1, 2004; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc788938/: accessed August 20, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.