SURFACE STRESSES AND CRYSTAL TWISTING IN HIPPURIC ACID AND IN POLYMERS.

Paul D. Calvert, D. R. Uhlmann

Research output: Contribution to journalArticlepeer-review

16 Scopus citations

Abstract

An approximate model is developed which relates the twisting seen in the spherulitic crystallization of many materials to surface stresses. Expressions are presented for the twist period as a function of the surface stress. These are compared with previous experimental data on polyethylene and data on hippuric acid obtained in the present investigation. In both cases the experimental data are in accord with the predictions of the model.

Original languageEnglish (US)
Pages (from-to)457-465
Number of pages9
JournalJ Polym Sci Part A-2 Polym Phys
Volume11
Issue number3
DOIs
StatePublished - Jan 1 1973
Externally publishedYes

ASJC Scopus subject areas

  • Engineering(all)

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