Shakedown of Unidirectional Composites.
Abstract
Substantial shakedown effects in unidirectional metal matrix composites have been found to exist for loading states which are axisymmetric with respect to the fiber axis, and which include also a uniform thermal change. The shakedown limits for a variable cyclic loading program, can be found by a standard procedure involving the selection of parametric families of selfstress states. An alternative, direct approach to the determination of the shakedown limits is related to the recently developed kinematic hardening rules for symmetrically loaded fibrous composites. Specifically, shakedown will occur if the loading domain can be contained within a translated initial yield surface in the axisymmetric stress plane. Results are presented for B-Al, Be-Al, B-Ti and B-Mg composites.
Document Details
- Document Type
- Technical Report
- Publication Date
- Apr 01, 1974
- Accession Number
- AD0787430
Entities
People
- G. J. Dvorak
- J. Q. Tarn
- M. S. M. Rao
Organizations
- Duke University