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The fracture and fatigue properties of cast irons used for trunk mains in the water industry

Mohebbi, H, Jesson, DA, Mulheron, MJ and Smith, PA (2010) The fracture and fatigue properties of cast irons used for trunk mains in the water industry Materials Science and Engineering a-Structural Materials Properties Microstructure and Processing, 527. 5915 - 5923. ISSN 0921-5093

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Abstract

In order to assess the remaining life of cast iron assets in the water sector, an understanding of their fracture and fatigue characteristics is necessary. The present work is concerned with the toughness and Paris crack growth behaviour of cast iron materials with a range of micro-structures, taken from trunk mains currently in service. When considered with other data from the literature, the results from the present study enable the range of fatigue crack growth behaviour likely to be seen in service to be quantified. The role of microstructure in fracture and fatigue behaviour is discussed. Calculations of fatigue life based on integration of the Paris law are then carried out and compared with previously published data for samples from cast iron distribution mains. The results from these investigations support the development of asset management tools for use in the water industry. (C) 2010 Elsevier B.V. All rights reserved.

Item Type: Article
Additional Information: Copyright © 2010 Elsevier B.V. All rights reserved. NOTICE: this is the author’s version of a work that was accepted for publication in Materials Science and Engineering A. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Materials Science and Engineering A, 527(21-22), 2010, DOI: 10.1016/j.msea.2010.05.071
Divisions: Faculty of Engineering and Physical Sciences > Mechanical Engineering Sciences
Depositing User: Symplectic Elements
Date Deposited: 09 Mar 2012 11:42
Last Modified: 09 Jun 2014 13:21
URI: http://epubs.surrey.ac.uk/id/eprint/104825

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