Full Field Strain Measurement of Material Extrusion Additive Manufacturing Parts with Solid and Sparse Infill Geometries

Joseph Bartolai, Alexander E. Wilson-Heid, Jordan R. Kruse, Allison Michelle Beese, Timothy William Simpson

Research output: Contribution to journalArticle

Abstract

Full field strain during tensile deformation is measured in parts produced by material extrusion additive manufacturing (MEAM) using digital image correlation. Many studies have been conducted to examine stress and strain at the part level; however, local levels of stress and strain within MEAM parts remain largely unexplored. This study documents the effects of tensile loading on acrylonitrile butadiene styrene parts fabricated with MEAM using both solid and sparse infill geometries. The effects of different toolpath orientations on local tensile strain are also studied. A novel build strategy for creating sparse infill geometry to improve part strength is introduced and tested.

Original languageEnglish (US)
Pages (from-to)871-879
Number of pages9
JournalJOM
Volume71
Issue number3
DOIs
StatePublished - Mar 15 2019

Fingerprint

3D printers
Strain measurement
Extrusion
Tensile strain
Geometry
Acrylonitrile
Styrene
Butadiene

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Engineering(all)

Cite this

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abstract = "Full field strain during tensile deformation is measured in parts produced by material extrusion additive manufacturing (MEAM) using digital image correlation. Many studies have been conducted to examine stress and strain at the part level; however, local levels of stress and strain within MEAM parts remain largely unexplored. This study documents the effects of tensile loading on acrylonitrile butadiene styrene parts fabricated with MEAM using both solid and sparse infill geometries. The effects of different toolpath orientations on local tensile strain are also studied. A novel build strategy for creating sparse infill geometry to improve part strength is introduced and tested.",
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Full Field Strain Measurement of Material Extrusion Additive Manufacturing Parts with Solid and Sparse Infill Geometries. / Bartolai, Joseph; Wilson-Heid, Alexander E.; Kruse, Jordan R.; Beese, Allison Michelle; Simpson, Timothy William.

In: JOM, Vol. 71, No. 3, 15.03.2019, p. 871-879.

Research output: Contribution to journalArticle

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