Interlaced layer thicknesses within single laser powder bed fusion geometries

Adam Clare*, Alex Gullane, Christopher Hyde, James W. Murray, Simon Sankare, Wessel W. Wits

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

1 Citation (Scopus)
7 Downloads (Pure)


The geometrical design freedoms associated with additive manufacturing techniques are currently well exploited and finding commercial application. The capability of layer-based processes to allow modification of composition and microstructure in process to achieve functional grading is currently a growing topic. In this work, a method is demonstrated for varying layer thickness within single components that allows part sections to be interlaced for the purpose of locally manipulating material and structural properties. Demonstrator geometries are explored here which exhibit the interfaces within specimens constituted of both 30 µm and 150 µm. Accordingly, a new design freedom for laser powder bed fusion is created.

Original languageEnglish
Pages (from-to)203-206
Number of pages4
JournalCIRP Annals
Issue number1
Publication statusPublished - 27 Mar 2021


  • Additive manufacturing
  • Selective laser melting (SLM)
  • Tensile strength


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