Toray Introduces Advanced Aerospace Prepreg for Cost-Effective Vacuum-Assisted Pressure Molding
Toray Industries Inc. (Tokyo, Japan) reports that it has developed a new carbon fiber-reinforced plastic (CFRP) prepreg optimized for use in primary structural aerospace components that can be molded using an out-of-autoclave (OOA) vacuum-assisted pressure molding process. The company says it will expand this technology to exploit demand for high-performance CFRP components with low processing cost in various applications including aircraft, vehicles and general industrial use.
The vacuum-assisted pressure molding technology, says Toray, was developed in 2018. The company says the new prepreg, enabled by a newly developed novel matrix resin, has mechanical performance — compression strength after impact and tensile strength — equivalent to a primary structure fabricated using existing prepreg technology and autoclave curing.
Toray reports that a test panel (see photo) molded with the new prepreg and pressure-molding process has porosity comparable to that achievable with an autoclave. Further, the company says the panel can meet “strict quality control standards for aircraft components.”
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