Formulation of UV Curable Resins Utilized in Vat Photo Polymerization for the Additive Manufacturing of Gun Propulsion Charge in 3D Printers (Update)

D. Bird, J. Laquidara, E. Caravaca, K. Luhmann, N. M. Ravindra

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Formulating resins specifically for UV laser stereolithography (SLA) is a promising material development process in the additive manufacturing (AM) of enhanced gun propulsion charges due to the ability to fabricate complex geometries with high-dimensional resolution. Free radical initiated polymerization (FRP) incorporated into new and evolving SLA 3D printers is an ideal process for generating gun charges, but it requires formulators to pay specific attention to the monomer/oligomer selection, light source output, photoinitiator system, and additives to stabilize the liquid formulation and the resulting final polymer. Furthermore, formulations must have high energy density with acceptable mechanical properties in order to enhance the propellant performance, often represented in terms of impetus, or force exerted on the projectile. In this work, custom energetic SLA resins for propellants have been formulated, characterized, and processed on a Formlabs 1+ printer.

Original languageEnglish (US)
Title of host publicationTMS 2020 149th Annual Meeting and Exhibition Supplemental Proceedings
EditorsZhiwei Peng, Jiann-Yang Hwang, Jerome Downey, Dean Gregurek, Baojun Zhao, Onuralp Yucel, Ender Keskinkilic, Tao Jiang, Jesse White, Morsi Mahmoud
PublisherSpringer
Pages1945-1954
Number of pages10
ISBN (Print)9783030362959
DOIs
StatePublished - 2020
Event149th Annual Meeting and Exhibition of the Minerals, Metals and Materials Society, TMS 2020 - San Diego, United States
Duration: Feb 23 2020Feb 27 2020

Publication series

NameMinerals, Metals and Materials Series
ISSN (Print)2367-1181
ISSN (Electronic)2367-1696

Conference

Conference149th Annual Meeting and Exhibition of the Minerals, Metals and Materials Society, TMS 2020
CountryUnited States
CitySan Diego
Period2/23/202/27/20

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Energy Engineering and Power Technology
  • Mechanics of Materials
  • Metals and Alloys
  • Materials Chemistry

Keywords

  • Additive manufacturing
  • Gun propulsion charge
  • Photo polymerization
  • UV curable resins

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