Capsule thickness in 3D

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  1. Danish Technological Institute
  2. Capsule thickness in 3D
Susan Rudd Cooper

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Visualization of micro-CT data of an oil capsule

Capsule thickness in 3D

Investigate coatings and multi-component materials with Micro-CT

Micro-CT scanning makes non-destructive 3D analysis of small samples and products possible. We can obtain information on important characteristics such as: how well is the coating covering a surface or what is the volume distribution in a multi-component material. The method is suited for materials ranging from a few 100 µm up to a few centimeters in diameter, and features in the size-range of 1-25 µm can be visualized and analysized.

Here, a fish oil supplement pill has been analyzed with the purpose of measuring and visualizing the capsule thickness. The information can be used to identify flaws and weaknesses in the capsule. Additionally, the volume of fish oil and capsule can be determined from the dataset.

Results

Our Micro-CT investigation of a fish oil supplement pill shows that:

  • The thinnest part of the capsule is identified in the welded joint on the side of the pill. 
  • The corresponding thickness on the other side of the capsule is relatively thick, which indicates the production process can be optimized to improve the durability of the capsul
  • The volume weighted average capsule thickness is calculated to 446 µm.
  • The thinnest and thickest parts are measured to 252 µm and 705 µm thickness respectively.
  • The fish oil enclosed by the capsule has a volume of 0.54 cm3.

The step-by-step video shown below is an example of how an investigation can be undertaken. The method is well suited for a variety of different material types and and purposes, for example materials development, inspection of hidden elements or non-destructive fault analysis. Typical applications are within medical devices, porous materials, composite materials, 3D printed materials, and electronic and micromechanic components and products.
 

Additional Techniques

Beyond Micro-CT, we offer a suite of complementary techniques to ensure the most thorough analysis possible. Whether you need additional imaging methods or material testing, we have the tools and expertise to meet your needs.

Contact Us

Ready to enhance the quality and integrity of your materials? Please contact our specialist Susan Rudd Cooper for more information. She can be reached at srco@dti.dk or +45 7220 1754.