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Please use this identifier to cite or link to this item: http://dspace.lib.cranfield.ac.uk/handle/1826/12343

Document Type: Conference paper
Title: Redesign of an industry test for hot tearing of high performance aluminium casting alloys using casting simulation software
Authors: Smith, A
Jolly, Mark
Issue Date: 2007
Citation: Smith ACM, Jolly MR, Redesign of an industry test for hot tearing of high performance aluminium casting alloys using casting simulation software, Proceedings of 2nd International Symposium on Shape Casting at TMS Annual Meeting, 25 February - 1 March 2007, Orlando, Florida, USA, pp. 209-216
Abstract: Hot tearing propensity in aluminium alloys is commonly measured using dog-bone and ring tests. Hot tearing occurs as a result of a number of factors including; level of stress and strain, hot spots and nucleation sites. This paper presents the results of a study to redesign a dog-bone type hot tear test using casting simulation software to ensure that the location of the tearing was always in the same location. In the simulation of the original five fingered die both the stress and strain were sufficiently high for hot tearing but there was no defined hot spot implying that the random hot tear locations would result depending upon suitable nucleation sites. A number of design iterations were carried out to produce more focussed hot spots and to ensure that the die was easy to manufacture and use, and was economically viable.
URI: http://dspace.lib.cranfield.ac.uk/handle/1826/12343
Appears in Collections:Staff publications (SATM)

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