Powder‐fed directed energy deposition of soda lime silica glass on glass substrates

Fiona Spirrett, Kyriaki Corinna Datsiou, Marlin Magallanes, Ian Ashcroft, Ruth Goodridge

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Novel glass processing by powder-fed directed energy deposition was explored as a method of adding glass décor to glass surfaces and bottles. Consistent, semitransparent, single-line tracks of soda lime silica glass could be processed onto glass substrates of the same composition, without significant cracks forming in the substrate. A suitable processing window was found with laser power and scan speed showing independent effects on processing. Consideration of processing surface conditions and reduction of laser transmission through transparent substrates was necessary, and the use of an adhesive tape layer aided adhesion of glass feedstock to substrate surfaces. The work demonstrates the potential for a one-step method of glass bottle decoration for the packaging industry, with scope to create 3D designs of high geometric complexity and customizability on glass substrates, thereby adding value to glass packaging by brand differentiation without the high costs associated with molds and tooling.
Original languageEnglish
Article number18638
Pages (from-to)227-240
Number of pages14
JournalJournal of the American Ceramic Society
Issue number1
Early online date6 Jul 2022
Publication statusE-pub ahead of print - 6 Jul 2022


  • additive manufacturing
  • directed energy deposition
  • glass
  • laser
  • powder
  • soda lime silica


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