Effect of Fibre Orientation on Mode-I Interlaminar Fracture Toughness of Glass Epoxy Composites-Reference-Cited by-同舟云学术

Effect of Fibre Orientation on Mode-I Interlaminar Fracture Toughness of Glass Epoxy Composites

Published:2000-05 Issue:8 Volume:19 Page:606-620
ISSN:0731-6844
Container-title:Journal of Reinforced Plastics and Composites
language:en
Short-container-title:Journal of Reinforced Plastics and Composites

Author:

Shetty M. R.,Vijay Kumar K. R.,Sudhir S.,Raghu P.,Madhuranath A. D.¹,Rao R. M. V. G. K.²

Affiliation:

1. Department of Polymer Science and Technology, SJCE, Mysore, India

2. FRP Pilot Plant Unit, National Aerospace Laboratories, Bangalore, 560 017 India

Abstract

The mode-I interlaminar fracture toughness (IFT) property of room temperature (RT) cured glass-epoxy (LY556/HY95 1) composites was studied using a double cantilever beam (DCB) test specimen with unidirectional fibre orientations of 0°, +450/-450, +600/-600 and 900 in the neighborhood of the crack zone. Three IFT data reduction techniques, viz.: (1) Modified Beam Theory (MBT), (2) Compliance Calibration Theory (CC) and (3) Modified Compliance Calibration Theory (MCC) were verified for the DCB data generated for 0° fibre oriented specimens. The fracture toughness property estimates were noted to be approximately the same for all three techniques. Only the MBT reduction procedure (as per ASTM) was used for other orientations. It was observed that the IFT increased as the fibre orientation was changed from 0° to 900 with reference to the direction of crack propagation.

Publisher

SAGE Publications

Subject

Materials Chemistry,Polymers and Plastics,Mechanical Engineering,Mechanics of Materials,Ceramics and Composites

Link

http://journals.sagepub.com/doi/pdf/10.1177/073168440001900801

Reference15 articles.

1. Generic Aspects of Delamination in Fatigue of Composite Materials

2. 5. William, J.G. "Fracture Mechanics of Anisotropic Materials," Composite Material Series Application of Fracture Mechanics to Composite Materials, Vol.6, Klaus Friedrich, Ed. 1989, pp. 3-38.

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