Majority of aerospace composite components are manufactured using prepreg / autoclave moulding process. Prepregs are perishable materials and have limited life. Prepregs have to be stored at -18°C which adds cost to the final product. In order to have a cost effective manufacturing process for a primary structure, the team at ACD developed a proprietary process called VERITy. The principle of VERITy is that the reinforcement is held in a tool cavity and infused with resin and a differential pressure is maintained using vacuum to impregnate fibers as depicted in the schematic. The impregnated preform is then cured in an autoclave. During cure, prior to gelation, an external pressure is applied in order to achieve required fibre volume fraction and better compaction and to ensure proper consolidation especially at cocured joints and thicker regions.
Schematic of VERITy Process
Major mile stones / results of this technique
Last updated on : 13-06-2018 09:03:53am