modeling cavitation in ice pistons made with isothermal forging

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ID: 254480
2014
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Abstract
Possible causes for cavitations in parts made with an Al-Si eutectic alloy AK12D (AlSi12) were explored with mathematical and physical modeling with involved acoustic emission. Pores were formed from micro-cracks, which appear during the early stages of a deformation process, with the help of micro-stresses appearing at phase boundaries (Al/Si interface) due to thermal expansion. At the design stage of isothermal forgings of such products it is recommended to provide a scheme of the deformed shape, which is under uniform compression, to compensate for the inter-phase stresses.
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Authors ;V.V. Astanin; A.A. Shakhovkina,;F.F. Safin;M.O. Melnikov;A.M. Yamileva ;A.T. Bikmeyev
Journal communications in statistics: simulation and computation
Year 2014
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