26th Congress of International Council of the Aeronautical Sciences
including the 8th AIAA Aviation Technology, Integration, and Operations (ATIO) Conference
14 - 19 September 2008, Anchorage, Alaska, USA
Paper ICAS 2008-7.9.4

THERMAL ASPECTS FOR COMPOSITE STRUCTURES - FROM MANUFACTURING TO IN-SERVICE PREDICTIONS

T. Sproewitz, J. Tessmer, T. Wille
DLR, Germany

Keywords: composites, CTE, process simulation, shrinkage, spring-in, thermo-elastic

Thermal problems on composite structures are decisive for their performance from manufacturing until in-service usage, as will be demonstrated. First steps in curing parameter identification will be presented. Main focus is spring-in simulation of an aircraft relevant structure. An outlook will be given to thermo-mechanical testing for validation and qualification.

view full paper