Processing characteristics of out-of-autoclave pre-impregnated discotex™ composites

Research output: Contribution to conferencePaper

Abstract

This paper provides a summary of research performed using DiscoTex" fabric pre-impregnated with Cytec 5320-1. The study was focused on single diaphragm forming and was conducted to gain an understanding of the processing properties of this new material when formed over complex geometries. Advanced diaphragm forming utilizing pre-collimated prepreg laminates is a highly promising process in terms of reducing the manufacturing costs of composite components. A pre-impregnated discontinuous carbon fiber (DCF) reinforcement was formed over a sine-wave spar utilizing a single diaphragm forming process. Sine-wave spars are opposite sign doubly curved geometries that are known to be difficult to form without inducing wrinkling deformations. DiscoTex™ is a five harness satin weave DCF and was pre-impregnated with an out-of-autoclave resin system, Cytec Cycom 5320-1. During forming, varied parameters included: diaphragm stiffness, forming temperature, forming time, laminate thickness, laminate size and lamina fiber orientation. These parameters were investigated to identify the effects on component quality. The component quality is related to the in-plane shear strains generated during the forming process. In-plane shear strains were related to process parameters on a pass or fail criterion basis to determine the forming characteristics of the DCF material. This paper also provides a summary of prior published research in forming technology in order to establish the context within which this experimental study was performed.

Original languageEnglish (US)
Pages101-118
Number of pages18
StatePublished - Jan 1 2017
EventSAMPE Seattle 2017 Conference - Seattle, United States
Duration: May 22 2017May 25 2017

Other

OtherSAMPE Seattle 2017 Conference
CountryUnited States
CitySeattle
Period5/22/175/25/17

Fingerprint

Autoclaves
Composite materials
Processing
Diaphragms
Carbon fibers
Laminates
Shear strain
Fiber reinforced materials
Geometry
Resins
Stiffness

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

Patten, C. H., Dillon, G. P., & Koudela, K. L. (2017). Processing characteristics of out-of-autoclave pre-impregnated discotex™ composites. 101-118. Paper presented at SAMPE Seattle 2017 Conference, Seattle, United States.
Patten, C. H. ; Dillon, Gregory P. ; Koudela, Kevin L. / Processing characteristics of out-of-autoclave pre-impregnated discotex™ composites. Paper presented at SAMPE Seattle 2017 Conference, Seattle, United States.18 p.
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Patten, CH, Dillon, GP & Koudela, KL 2017, 'Processing characteristics of out-of-autoclave pre-impregnated discotex™ composites' Paper presented at SAMPE Seattle 2017 Conference, Seattle, United States, 5/22/17 - 5/25/17, pp. 101-118.

Processing characteristics of out-of-autoclave pre-impregnated discotex™ composites. / Patten, C. H.; Dillon, Gregory P.; Koudela, Kevin L.

2017. 101-118 Paper presented at SAMPE Seattle 2017 Conference, Seattle, United States.

Research output: Contribution to conferencePaper

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Patten CH, Dillon GP, Koudela KL. Processing characteristics of out-of-autoclave pre-impregnated discotex™ composites. 2017. Paper presented at SAMPE Seattle 2017 Conference, Seattle, United States.