Dynamic Evaluation of Acrylonitrile Butadiene Styrene Subjected to High-Strain-Rate Compressive Loads

Abstract

The current goal of the investigation is to understand the potential energy absorption benefits of components fabricated using fused deposition modeling additive manufacturing. Tensile test specimens were fabricated according to the ASTM D 638 standard to characterize the general mechanical behavior of the three-dimensional printed acrylonitrile butadiene styrene (ABS) material to assess potential strain-rate dependency. The dynamic responses were also necessary to characterize the dynamic evolution of ABS in compression at various strain rates. The ABS specimens were subjected to high-strain-rate deformation using the split-Hopkinson pressure bar. A new phenomenon, described as a multistage collapse in which the samples undergo multiple stages of compression and expansion, was observed during compression. As the velocity increased, the capability for energy absorption decreased to where there was only one stage of compression equivalent to the initial stage.

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Document Details

Document Type
Technical Report
Publication Date
Dec 01, 2014
Accession Number
ADA612838

Entities

People

  • Alex Peterson
  • Denzell Bolling
  • Ed Habtour
  • Gbadebo Owolabi
  • Jaret Riddick
  • Michael Coatney

Organizations

  • United States Army Research Laboratory

Tags

Communities of Interest

  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Additive Manufacturing
  • Alkenes
  • Computer-Aided Design
  • Dynamic Response
  • Fabrication
  • Fused Deposition Modeling
  • Manufacturing
  • Materials
  • Mechanical Working
  • Modulus Of Elasticity
  • Printing
  • Strain Gages
  • Strain Rate
  • Tensile Properties
  • Tensile Strength
  • Tensile Testing
  • Three Dimensional

Readers

  • Mechanical Engineering/Mechanics of Materials.
  • Polymer Science and Engineering.
  • Reinforced Composite Materials