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Grayscale digital light processing 3D printing for highly functionally graded materials

Science advances, 2019-05, Vol.5 (5), p.eaav5790-eaav5790 [Peer Reviewed Journal]

Copyright © 2019 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works. Distributed under a Creative Commons Attribution NonCommercial License 4.0 (CC BY-NC). 2019 The Authors ;ISSN: 2375-2548 ;EISSN: 2375-2548 ;DOI: 10.1126/sciadv.aav5790 ;PMID: 31058222

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  • Title:
    Grayscale digital light processing 3D printing for highly functionally graded materials
  • Author: Kuang, Xiao ; Wu, Jiangtao ; Chen, Kaijuan ; Zhao, Zeang ; Ding, Zhen ; Hu, Fengjingyang ; Fang, Daining ; Qi, H Jerry
  • Subjects: Applied Physics ; SciAdv r-articles
  • Is Part Of: Science advances, 2019-05, Vol.5 (5), p.eaav5790-eaav5790
  • Description: Three-dimensional (3D) printing or additive manufacturing, as a revolutionary technology for future advanced manufacturing, usually prints parts with poor control of complex gradients for functional applications. We present a single-vat grayscale digital light processing (g-DLP) 3D printing method using grayscale light patterns and a two-stage curing ink to obtain functionally graded materials with the mechanical gradient up to three orders of magnitude and high resolution. To demonstrate the g-DLP, we show the direct fabrication of complex 2D/3D lattices with controlled buckling and deformation sequence, negative Poisson's ratio metamaterial, presurgical models with stiffness variations, composites for 4D printing, and anti-counterfeiting 3D printing.
  • Publisher: United States: American Association for the Advancement of Science
  • Language: English
  • Identifier: ISSN: 2375-2548
    EISSN: 2375-2548
    DOI: 10.1126/sciadv.aav5790
    PMID: 31058222
  • Source: PubMed Central
    Directory of Open Access Journals
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