Abstract
Hollow construction achieves high material and lightweight construction efficiency which leads to energy savings in use. Complex geometries are produced which, in combination with stringent process boundary conditions, can only be implemented with robust, expendable, or “lost” cores. In the authors‘ first paper [1], the potential and challenges of conventional salt cores in injection molding were elaborated. Now, the investigation focuses on short and continuous fiber reinforcements in a NaCl salt matrix. Screening tests with a variety of material and process parameters characterize the overall behavior. Three-point bending tests show the potential of the novel fiber-reinforced material. A flax fiber reinforcement increases the fracture toughness of the brittle salt.
| Translated title of the contribution | Entwicklung in Richtung eines robusten, wasserlöslichen, verlorenen Kernmaterials – Teil 2: nassgepresstes, faserverstärktes Salz |
|---|---|
| Original language | English |
| Pages (from-to) | 190-226 |
| Number of pages | 37 |
| Journal | Zeitschrift Kunststofftechnik/Journal of Plastics Technology |
| Volume | 19 |
| Issue number | 5 |
| DOIs | |
| State | Published - 2023 |
Keywords
- NaCl
- additive manufacturing
- carbon fiber
- compression molding
- expendable core
- fiber-reinforced salt
- flax fiber
- lost core
- removable core
- salt core
- semi-permanent mold
- semi-permeable membrane
- table salt
- wash-out mandrel
- water-soluble core
- wet compression molding
- wet-squeezing
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