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Related Concept Videos

Vibrating Concrete01:19

Vibrating Concrete

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Mechanical vibrators are instrumental in compacting newly poured concrete within formwork and around reinforcements. This process is essential to eliminate trapped air pockets and establish a dense concrete mass. One widely used method is vibrating by internal vibrators, often referred to as a poker vibrator or immersion vibrator. It is rapidly inserted through the full depth of the freshly laid concrete and slightly extends into the layer below it (which remains in a plastic state). Consistent...
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A mini vibrational polishing machine produced by 3D printing.

Lawrence Whitmore1

  • 1Department of Chemistry and Physics of Materials, Paris Lodron University of Salzburg (PLUS), Jakob-Haringer Strasse 2a, Salzburg 5020, Austria.

Ultramicroscopy
|October 29, 2022
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Summary

A novel 3D-printed vibrational polishing machine (MiniViP) creates high-quality, damage-free surfaces for metallography and electron backscatter diffraction (EBSD) analysis. This accessible device supports sustainable laboratory practices using biodegradable filaments.

Keywords:
3D printingEBSDMetallographyPolishingSample preparationSustainable development

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Area of Science:

  • Materials Science
  • Mechanical Engineering
  • Sustainable Manufacturing

Background:

  • High-quality surface preparation is crucial for accurate metallographic and electron backscatter diffraction (EBSD) analysis.
  • Existing polishing equipment can be expensive and inaccessible for some laboratories.
  • There is a growing need for sustainable practices in scientific research.

Purpose of the Study:

  • To design and construct a cost-effective, high-performance vibrational polishing machine using 3D printing technology.
  • To enable laboratories to produce damage-free surfaces suitable for advanced material analysis.
  • To promote sustainable development goals through the use of biodegradable materials.

Main Methods:

  • The MiniViP machine was designed and fabricated primarily using 3D printing.
  • Biodegradable filaments were utilized for construction to enhance sustainability.
  • The device was tested on aluminum, brass, copper, and nickel samples.
  • Prepared surfaces were evaluated through etching and EBSD analysis.

Main Results:

  • The 3D-printed MiniViP successfully produced high-quality, damage-free surfaces on various metal samples.
  • Etched surfaces exhibited excellent clarity for microscopic examination.
  • Electron backscatter diffraction (EBSD) grain orientation maps showed high resolution and accuracy.
  • The device proved to be a viable and accessible tool for surface preparation.

Conclusions:

  • The MiniViP offers an affordable and sustainable solution for surface preparation in materials analysis.
  • 3D printing technology facilitates the creation of specialized laboratory equipment.
  • The use of biodegradable filaments aligns with environmental sustainability objectives in research.