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August 25, 2025Progress in Additive ManufacturingOpen Access

Investigation of graded metallic lattice structures by thick film electroplating of additively manufactured polymer lattices

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Authors

MNMarco NoackCGChristian GutzlerTechnical University of DarmstadtEKEckhard KirchnerTechnical University of Darmstadt

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Overview

This investigation demonstrates significant improvements in mechanical performance from metallic lattice structures created through polymer templates and electroplating.

Key Points

  • Substantial improvements in structural performance were observed, with stiffness and strength increasing by up to 500 times compared to uncoated polymer lattices.
  • The hybrid structures achieved a copper mass fraction exceeding 98%, demonstrating a relative density of 18.9%, which is competitive with fully metallic lattice materials.
  • Failure analysis indicated stretch-dominated deformation patterns and brittle collapse modes similar to hollow metallic lattices, signaling potential design considerations.
  • Thick-film electroplating represents a scalable method for creating mechanically efficient, predominantly metallic lattice structures with multifunctional applications.

Cite This Study

Noack et al. (2025) studied this question.

synapsesocial.com/papers/68af5f0dad7bf08b1eae195dhttps://doi.org/10.1007/s40964-025-01300-4
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