Short fatigue crack growth in cast iron described using P-a curves

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Show simple item record Taylor, David en_US Li, Jianchun en_US Giese, A en_US
dc.contributor.editor en_US 2010-05-28T09:48:43Z 2010-05-28T09:48:43Z 1995 en_US
dc.identifier 2008006841 en_US
dc.identifier.citation Taylor David, Li Jianchun, and Giese A 1995, 'Short fatigue crack growth in cast iron described using P-a curves', Elsevier, vol. 17, no. 3, pp. 201-206. en_US
dc.identifier.issn 0142-1123 en_US
dc.identifier.other C1UNSUBMIT en_US
dc.description.abstract A new approach to the description of short crack growth - the P - a curve - has been tested using extensive data on submillimetre cracks in a grey cast iron. It is shown that this approach, in which the probability of growth is plotted as a function of crack length, is valid in that it produces a plot that is consistent from specimen to specimen and is a function of both crack length and stress level. The growth probability, Pg, can be defined systematically in terms of the average amount of crack growth, I?cmean within a given interval of cycles, I?N; this leads to the concept that Pg characterizes growth at a particular rate: I?cmean/I?N. Predictions were made of the endurance, Nf, using a numerical model that simulates the growth of a large number of cracks. Crack coalescence was found to be a critical feature, both of the model and of the experimental findings. The great majority of crack growth was found to occur by coalescence; a simple model of coalescence, based on fracture mechanics, was successfully incorporated into the predictions. en_US
dc.language en_US
dc.publisher Elsevier en_US
dc.relation.isbasedon en_US
dc.title Short fatigue crack growth in cast iron described using P-a curves en_US
dc.parent International Journal Of Fatigue en_US
dc.journal.volume 17 en_US
dc.journal.number 3 en_US
dc.publocation United Kingdom en_US
dc.identifier.startpage 201 en_US
dc.identifier.endpage 206 en_US FEIT.School of Civil and Environmental Engineering en_US
dc.conference Verified OK en_US
dc.for 090506 en_US
dc.personcode X000075 en_US
dc.personcode 930859 en_US
dc.personcode 0000052250 en_US
dc.percentage 40 en_US Structural Engineering en_US
dc.classification.type FOR-08 en_US
dc.edition en_US
dc.custom en_US en_US
dc.location.activity en_US
dc.description.keywords short fatigue cracks; crack coalescence; statistical fatigue en_US

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