Electronic Resource
s.l. ; Stafa-Zurich, Switzerland
Solid state phenomena
Vol. 116-117 (Oct. 2006), p. 622-625
ISSN:
1662-9779
Source:
Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
Topics:
Physics
Notes:
The flow behavior of a semi-solid A356 alloy at high solid fraction was studied. Themushy zone was considered as an effective two-phase, so that the solid continuum can becompressible porous media, and the liquid phase interaction with the solid skeleton was of Darcytype. The semi-solid flow through the upsetting test was modeled in ABAQUS finite elementmethod software. The Gurson yield criterion has been developed for the modeling process of theflow behavior of solid porous medium. Specimens were globulized by a thermomechanical processand then were tested for various percentages of upsetting. The distribution of solid fraction alongthe radius of the specimens at different height reduction showed a good correlation with modelprediction
Type of Medium:
Electronic Resource
URL:
http://www.tib-hannover.de/fulltexts/2011/0528/02/22/transtech_doi~10.4028%252Fwww.scientific.net%252FSSP.116-117.622.pdf
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