Repair of Structural Composites in Aerospace

Problem: 

With increased use of composites in highly loaded structures, repair technology needs to meet new demands of rapid design, fast application and robust performance.

Approach:

Experts in repair technology from ACS Australia and the Defence Science and Technology Organisation (DSTO) led collaborative research inside CRC-ACS into solutions appropriate for highly loaded structures. The research focused on the development of innovative design approaches and rapid, low cost repair implementation technology.

Solution:

Technology development encompassed software developments for the automatic generation of designs based on damage identification and structure performance, and predictive capabilities for repair failure. Repair procedures incorporating both hard patch and soft patch approaches were developed and demonstrated on aircraft components The technology leverages extensive understanding of adhesive joint mechanics and a thorough understanding of airworthiness certification requirements.

Outcome: 

The technology developed in this programme is anticipated to bring tens of millions of dollars benefit to the defence and aircraft industries. Partner organisations in the aerospace and defence industry now have repair technology consistent with the application of composites in modern platforms. A range of other industries will benefit from increased performance and rapidity of structural composite repairs, allowing them to use composites in new applications with confidence.