Analysis of low temperature impact fracture data of thermoplastic polymers making use of an inverse methodology

V. Pettarin, G. E. Eliçabe, P. M. Frontini, K. Leskovics, G. Y B Lenkey, T. Czigány

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

In this work room and low temperature impact fracture data toughness of rubber modified polypropylene, polyethylene and rubber toughened polymethylmetacrylate have been assessed. In order to minimize the well-known dynamic effects a previously developed inverse methodology was used to treat force-time traces. Fracture parameters, such as KIQ and JC were estimated and the benefits of the inverse methodology were evaluated. The suitableness of energetic and force based toughness parameters for estimating a brittle to ductile transition was evaluated. The employment of the inverse methodology allowed us to infer the values of the crack tip loading rate, dK/dt, without the need of cushioning.

Original languageEnglish
Pages (from-to)738-749
Number of pages12
JournalEngineering Fracture Mechanics
Volume73
Issue number6
DOIs
Publication statusPublished - Apr 2006

Fingerprint

Rubber
Thermoplastics
Toughness
Polymers
Polypropylenes
Polyethylene
Polymethyl Methacrylate
Crack tips
Polyethylenes
Temperature

Keywords

  • Impact fracture
  • Inverse methodology
  • Low temperature
  • Polymers

ASJC Scopus subject areas

  • Mechanical Engineering
  • Mechanics of Materials

Cite this

Analysis of low temperature impact fracture data of thermoplastic polymers making use of an inverse methodology. / Pettarin, V.; Eliçabe, G. E.; Frontini, P. M.; Leskovics, K.; Lenkey, G. Y B; Czigány, T.

In: Engineering Fracture Mechanics, Vol. 73, No. 6, 04.2006, p. 738-749.

Research output: Contribution to journalArticle

Pettarin, V. ; Eliçabe, G. E. ; Frontini, P. M. ; Leskovics, K. ; Lenkey, G. Y B ; Czigány, T. / Analysis of low temperature impact fracture data of thermoplastic polymers making use of an inverse methodology. In: Engineering Fracture Mechanics. 2006 ; Vol. 73, No. 6. pp. 738-749.
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