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  2. Vacuum bag moulding - Wikipedia

    en.wikipedia.org/wiki/Vacuum_bag_moulding

    The whole bag may be put in a temperature-controlled oven, oil bath or water bath and gently heated to accelerate curing. Vacuum bagging is used broadly in the composites industry as well. [4] Carbon fibre fabric and fibreglass, along with epoxies and resins are popular materials laminated together with a vacuum bag operation.

  3. Vacuum assisted resin transfer molding - Wikipedia

    en.wikipedia.org/wiki/Vacuum_assisted_resin...

    Vacuum Assisted Resin Transfer Molding (VARTM) or Vacuum Injected Molding (VIM) is a closed mold, out of autoclave (OOA) [1] composite manufacturing process. VARTM is a variation of Resin Transfer Molding (RTM) with its distinguishing characteristic being the replacement of the top portion of a mold tool with a vacuum bag and the use of a vacuum to assist in resin flow. [2]

  4. Lay-up process - Wikipedia

    en.wikipedia.org/wiki/Lay-Up_process

    This process can be done at room temperature with just a vacuum pump, to control vacuum, with the aid of an industrial oven connected to a vacuum pump, to control temperature and vacuum, or with an autoclave, to control temperature, vacuum and also hydrostatic pressure. [1] [10] Persico Marine's autoclave.

  5. Composite repair - Wikipedia

    en.wikipedia.org/wiki/Composite_repair

    The vacuum bag technique involves the placing and sealing of a flexible bag over a composite lay-up and evacuating all the air from under the bag as schematically shown in Figure 6. Figure 6: Left: Details of vacuum bag lay-up. Right: Vacuum bag sealing and vacuum application results in atmospheric pressure on the repair region (prepreg)

  6. Turbomolecular pump - Wikipedia

    en.wikipedia.org/wiki/Turbomolecular_pump

    Interior view of a turbomolecular pump. A turbomolecular pump is a type of vacuum pump, superficially similar to a turbopump, used to obtain and maintain high vacuum. [1] [2] These pumps work on the principle that gas molecules can be given momentum in a desired direction by repeated collision with a moving solid surface.

  7. Fibre-reinforced plastic - Wikipedia

    en.wikipedia.org/wiki/Fibre-reinforced_plastic

    Individual sheets of prepreg material are laid-up and placed in an open mould. The material is covered with release film, bleeder/breather material and a vacuum bag. A vacuum is pulled on part and the entire mould is placed into an autoclave (heated pressure vessel). The part is cured with a continuous vacuum to extract entrapped gasses from ...

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  9. Vacuum molding - Wikipedia

    en.wikipedia.org/wiki/Vacuum_molding

    Vacuum bag molding, a composite material forming process This page was last edited on 18 March 2014, at 11:22 (UTC). Text is available under the Creative Commons ...

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