JSME International Journal Series A Solid Mechanics and Material Engineering
Online ISSN : 1347-5363
Print ISSN : 1344-7912
ISSN-L : 1344-7912
Analytical and Experimental Investigation for Tensile and Compressive Creep of the A3003P Aluminium Alloy Used for Plate-Fin Heat Exchanger
Mohamed EL-SHENNAWYYoshiyasu MORITAMasashi KOUSO
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1999 Volume 42 Issue 3 Pages 403-413


Analytical and experimental analysis for tensile and compressive creep properties of fine and coarse-grained aluminium alloy, A3003P, used for plate-fin heat exchanger are presented for temperatures from 400°C to 600°C and stresses between 0.255 MPa and 6.370 MPa. Investigation for parameters' effect on the behaviour of the time-dependent flow of material was carried out. For analytical investigation, the grain-size mechanism was applied to both tension and compression creep tests. Creep-strain rate increases with increasing both temperature and stress, while decreasing with coarse grain size. For loading mode, experimental results showed lower creep strain in compression than in tension for all stresses investigated. Nevertheless, numerical analysis showed identical behaviour for both tension and compression. Good agreement was found between the experimentally determined creep strain and analytical predictions at lower stress levels. However, at higher stresses considerable deviations from the experimental results were recorded for the analytical findings. Though the grain-size mechanism is applicable in case of tension for pure aluminium, modification becomes necessary when compression is applied.

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© The Japan Society of Mechanical Engineers
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