Abstract
The initial yield surfaces for biaxial tension and combined tension and torsion are determined on the basis of the local strain theory. The limit surfaces of the resultant stress on a local plane in tension (torsion) are obtained. A plastic strain probability factor is introduced and its values are calculated for various loading paths.
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Literature cited
A. K. Malmeister, Mekhan. Polim., No. 4, 12 (1965); No. 1, 22 (1969).
A. F. Zilautss, Hardening of an Elastoplastic Body Under Simple and Complex Loading, Candidate's Dissertation, Riga (1967).
N. N. Afanas'ev, Statistical Theory of the Fatigue Strength of Materials [in Russian], Kiev (1953).
Additional information
Institute of Polymer Mechanics, Academy of Sciences of the Latvian SSR, Riga. Translated from Mekhanika Polimerov, No. 4, pp. 594–598, July–August, 1971.
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Kregers, A.F. Yield surfaces in local strain theory. Polymer Mechanics 7, 531–534 (1971). https://doi.org/10.1007/BF00855187
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DOI: https://doi.org/10.1007/BF00855187