Vacuum assisted resin transfer molding information
Resin molding process
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] The process involves the use of a vacuum to facilitate resin flow into a fiber layup contained within a mold tool covered by a vacuum bag. After the impregnation occurs the composite part is allowed to cure at room temperature with an optional post cure sometimes carried out.
^Autoclave Quality Outside The Autoclave? [Online]. Available: http://www.compositesworld.com/articles/autoclave-quality-outside-the-autoclave.
^X. Song, “Vacuum Assisted Resin Transfer Molding (VARTM): Model Development and Verification,” Blacksburg, VA, 2003.
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VacuumAssistedResinTransferMolding (VARTM) or Vacuum Injected Molding (VIM) is a closed mold, out of autoclave (OOA) composite manufacturing process...
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