Temperature at a propagating crack tip in a viscoplastic material

J. C. Sung, J. D. Achenbach

Research output: Contribution to journalArticlepeer-review

14 Scopus citations

Abstract

Rupture processes at a propagating crack tip and the dissipation of mechanical energy in the vicinity of a crack tip can give rise to substantial temperature increases. In this paper we consider the (;transient) time-dependent temperature field. It is shown that under certain conditions. which are discussed in some detail, the adiabatic approximation gives a very acceptable approximation for the near-tip temperature. The adiabatic approximation has been used to calculate the crack tip temperature for a crack that propagates in a viscoplastic material. The mechanical behavior of the material is represented by a model proposed by Bodner and Partom. The Bodner-Partom model accounts for flux of energy into the crack tip as well as for dissipation of mechanical energy in the near-tip region. The temperatures due to both effects have been analyzed. and estimates are presented for the maximum crack tip temperature that may be reached during the crack propagation process.

Original languageEnglish (US)
Pages (from-to)243-262
Number of pages20
JournalJournal of Thermal Stresses
Volume10
Issue number3
DOIs
StatePublished - Jan 1 1987

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics

Fingerprint Dive into the research topics of 'Temperature at a propagating crack tip in a viscoplastic material'. Together they form a unique fingerprint.

Cite this