en.Wedoany.com Reported - ETH Zurich spin-off Sallea is expanding its salt-based template technology from the field of biofabrication to the manufacturing of advanced composites and high-performance materials. This technology utilizes water-soluble salt cores with controllable shaping as temporary templates, enabling the fabrication of complex internal geometries and cavities that are difficult to achieve with traditional methods.
The salt template technology works by dissolving and removing the salt core after the component has cured, leaving behind precise internal structures without the need for permanent cores or complex demolding processes. Initially developed for biofabrication, the technology has now been evaluated for composite processes and is particularly suitable for applications demanding high geometric complexity, weight reduction, and process integration.
Compared to traditional core materials such as foam or honeycomb, salt template technology offers greater design freedom and process stability. Salt cores can withstand typical processing conditions while integrating functional cavities like channels and lattice structures, opening up new possibilities for integrated part design, reducing secondary bonding operations, and optimizing load paths.
From a manufacturing perspective, this template technology helps to simplify processes and improve material efficiency. By enabling more integrated geometries, it can reduce the number of components and assembly steps. Salt as a template material also offers sustainability advantages due to its abundance, low cost, and potential for reuse in closed-loop systems.
As industries such as aerospace, mobility, and industrial equipment increasingly demand lightweight, high-performance, and sustainable structures, salt template technology is poised to play a key role in next-generation composite architectures.
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