Interlaminar fracture testing method for CFRP using tensile loading with acoustic emission analysis

Sang Jae Yoon, Dingding Chen, Ja Uk Gu, Nak Sam Choi, Kazuo Arakawa

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

A method is described to characterize the uniformity of interlaminar fracture toughness of laminated carbon-fiber-reinforced polymer (CFRP) composites fabricated by the modified vacuum assisted resin transfer molding process. To prepare specimens for Mode I fracture toughness tests, pieces were sectioned from the inlet and vent regions of a CFRP plate ([+30/-30] 6), with a starter crack inserted. The specimens were packed between two rectangular epoxy plates to apply a load using a universal testing machine. Acoustic energy signals were monitored using two sensors attached to the epoxy plates during tensile loading. The difference between the material properties of specimens from the inlet and vent regions of the CFRP plate were statistically compared using one-way analysis of variance (ANOVA); we show that the specimens showed no statistically significant differences in the interlaminar fracture characteristics depending on the part of the mold from which they were taken.

Original languageEnglish
Pages (from-to)173-178
Number of pages6
JournalInternational Journal of Fracture
Volume187
Issue number1
DOIs
Publication statusPublished - Jan 1 2014

Fingerprint

Fracture testing
Acoustic Emission
Carbon Fiber
Acoustic emissions
Carbon fibers
Polymers
Vents
Testing
Fracture Toughness
Fracture toughness
Epoxy
Resin transfer molding
Starters
Analysis of variance (ANOVA)
Polymer Composites
Fiber-reinforced Composite
Molding
Materials properties
Analysis of variance
Acoustics

All Science Journal Classification (ASJC) codes

  • Computational Mechanics
  • Modelling and Simulation
  • Mechanics of Materials

Cite this

Interlaminar fracture testing method for CFRP using tensile loading with acoustic emission analysis. / Yoon, Sang Jae; Chen, Dingding; Gu, Ja Uk; Choi, Nak Sam; Arakawa, Kazuo.

In: International Journal of Fracture, Vol. 187, No. 1, 01.01.2014, p. 173-178.

Research output: Contribution to journalArticle

Yoon, Sang Jae ; Chen, Dingding ; Gu, Ja Uk ; Choi, Nak Sam ; Arakawa, Kazuo. / Interlaminar fracture testing method for CFRP using tensile loading with acoustic emission analysis. In: International Journal of Fracture. 2014 ; Vol. 187, No. 1. pp. 173-178.
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