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Milestones: Processing and Manufacturing Group

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crystallization/shrink/warp. We are there when: complete software package is available, provides results that we trust. Liquid Molding 1 ... – PowerPoint PPT presentation

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Title: Milestones: Processing and Manufacturing Group


1
MilestonesProcessing and Manufacturing Group
  • NSF/DOE/APC Workshop
  • The Future of Modeling in Composites Molding
    Processes
  • June 9-10, 2004

2
Injection Molding
  • Milestone Complete the IPPD loop for long-fiber
    thermoplastics
  • Gaps
  • fiber orientation, fiber length attrition
  • properties and durability
  • crystallization/shrink/warp
  • We are there when
  • complete software package is available, provides
    results that we trust

3
Liquid Molding 1
  • Milestone Include preform processes and preform
    architecture in the IPPD loop
  • Gaps
  • relate preform architecture to permeability and
    processing
  • relate preform architecture to properties and
    performance
  • We are there when
  • part properties can be reliably and repeatably
    produced, and can be optimized

4
Liquid Molding 2
  • Milestone Increase the speed of the process
  • Gaps
  • preform architectures for rapid filling
  • understanding saturation for fast filling
  • preform deformation/fiber wash
  • flow and cure optimization
  • . . . (any other ways that modeling can address
    this issue)
  • We are there when
  • cycle times approach 1 minute, with a technology
    that can be applied to new parts without
    trial-and-error
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