Composite patch repairs have emerged as a vital technique for extending the service life of aluminium structures subjected to fatigue, impact and operational damage. By bonding a carbon or glass fibre ...

The HyPatchRepair project (from left to right, top and bottom images) paired a stepped repair patch made using tailored fiber placement (TFP) with a milled panel of the same construction and ...

Automated, on-aircraft bonded patch prep. DMG MORI (Bielefeld, Germany) and SAUER (Stipshausen, Germany) have co-developed this ULTRASONIC mobileBLOCK 5-axis milling unit, which attaches to aircraft ...

Manual repair and reworking of composite components are time-consuming and work-intensive. This is especially true of scarfing performed as preparation for patch repair. With geometrically adaptive ...

More and more aircraft are rolling off the production line with a primarily composite structure. Are these harder to repair than traditional aluminum?

Lufthansa Technik (LHT) is developing a mobile, automated repair system for primary composite airframe structures that could be ready within five years. While repair processes exist for secondary ...