A mathematical relation between volume strain, elongational strain and stress in homogeneous deformation

D. Heikens, S.D. Sjoerdsma, W.J. Coumans

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48 Citations (Scopus)
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Abstract

A model is presented for the vol. strain of a two-phase blend which elongates homogeneously in a tensile test app. In the case when only elastic deformation and crazing take place, the vol. strain vs. elongation curve can be constructed and calcd. from the data of the stress-strain curve alone. When, as well as crazing and elastic deformation, shearing takes place, the data of the stress vs. elongation curve and the vol. strain vs. elongation curve can be used to calc. the sep. contributions of the three deformation mechanisms at any elongation. In principle, the model can be also used for any homogeneous system which deforms without necking and where one or more deformation mechanism is present. [on SciFinder (R)]
Original languageEnglish
Pages (from-to)429-432
JournalJournal of Materials Science
Volume16
Issue number2
DOIs
Publication statusPublished - 1981

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