Interrelation between energy partitioned work of fracture parameters and the crack tip opening displacement in amorphous polyester films

D. E. Mouzakis, J. Karger-Kocsis, E. J. Moskala

Research output: Contribution to journalArticle

46 Citations (Scopus)

Abstract

The total work required to fracture a deeply double edge notched tensile (DDENT) specimen can be divided into the work required to yield the ligament region and the tearing energy for the necked ligament area up-to-fracture. Methods A and B require the same procedure and number of DDENT specimens for the critical crack tip opening displacement (CTOD) determination as the essential work of fracture (EWF) method does. The results achieved by Method B fit the experimental data well, while Method A overestimates the essential work of fracture and its yielding- and necking-related terms. The interrelation between CTOD and EWF terms provides useful information on the fracture mechanics of the material and validates the EWF fracture mechanical method.

Original languageEnglish
Pages (from-to)1615-1619
Number of pages5
JournalJournal of Materials Science Letters
Volume19
Issue number18
DOIs
Publication statusPublished - Sep 2000

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Polyesters
Crack tips
Ligaments
Fracture mechanics

ASJC Scopus subject areas

  • Materials Science(all)

Cite this

Interrelation between energy partitioned work of fracture parameters and the crack tip opening displacement in amorphous polyester films. / Mouzakis, D. E.; Karger-Kocsis, J.; Moskala, E. J.

In: Journal of Materials Science Letters, Vol. 19, No. 18, 09.2000, p. 1615-1619.

Research output: Contribution to journalArticle

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