The processing of advanced composite components requires tooling that will perform during high temperature and pressure cycles. During these cycles, the tooling must exhibit little or no dimensional movement, retain vacuum, and be of low enough density so as not to become a source of excessive thermal gradients. Typically, a nickel alloy such as INVAR is used and will meet many of these requirements. However, its cost and delivery can be a source of concern, especially where low production numbers are anticipated. By developing a new tooling system based on existing reinforced polymer technology and new ceramic/polymer mass cast monlithic structures, all of the above desireable characteristics can be provided with far lower cost and delivery. Additionally, this type of system would offer uniform construction methods, unique business practices, and the potential for a new industrial base for advanced composite tooling systems. These systems could free the prime airframe manufacturers from the design, fabrication, maintenance, and ultimate storage of such tools.
Keywords: LOW-DENSITY CERAMIC TOOLING CYANTE ESTER COMPOSITE CASTABLE SYSTEM RECYLABLE
