June 8, 2016
Dupont Schneider electric and Dupont – Stiffness of a Bracket in Reinforced PBT
Customer: Schneider Electric
- Global specialist in energy management offerings integrated solutions for safe, efficient and reliable energy.
- Continuously exploring new technologies, developing new products and serving new markets.
- Provider of wide range of innovative products and services for markets including electronics, communications, safety and protection.
- DuPont uses DIGIMAT to support their customers in designing innovative composites.
- Predict structural response of a glass fiber filled PBT polymer bracket
- Accurately design and optimize electrical components existing geometry
How to take into account the influence of processing in stiffness prediction?
- Reserve engineering of an elasto-plastic DIGIMAT material model
- Computation on the nonlinear stiffness based on fiber orientation prediction performed with Moldflow
- Comparison with experimental stiffness for two different composite materials developed by DuPont:
- 20% glass fiber reinforced PBT polymer, (material 1)
- 50% glass fiber reinforced PBT polymer, (material 2)
- Material damage behavior is not modeled
- Stiffness at break computed with standard elastoplastic materials leads to 85% error for part in material 1 and to 120% error for part in material 2;
- Stiffness at break computed with elastoplastic DIGIMAT materials leads to 5% error for part in material 1 and to 2.5% error for part in material 2.
- Process design can be trustfully optimized with DIGIMAT to improve part performance at better cost.