Phase Volume Fraction Analysis

    X-ray CT (computed tomography) can non-destructively image and differentiate "phases" (materials with different densities) in 3D. This technique is often used to quantify phases in various materials, including rocks, drug tablets, processed food, foams, and composite materials. Amorphous and crystalline phases can also be distinguished and analyzed when there is enough density difference between the two states.

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    How does it work?

    Analysis procedure

    The volume fraction analysis involves the following steps:

    1. Obtain a CT scan of the object.
    2. The CT images are segmented into different materials or phases.
    3. The volume fraction of each phase is calculated based on the number of voxels assigned to it.

    Learning resources

    To learn more about general image segmentation:

    To learn more about X‑ray micro-CT:

    Phase volume fraction analysis application examples

    Explore application examples to see if this technique can help you with your research or production challenges.


    What is micro-CT?

    How does it work? How much does it cost? Do I need It? What are the common problems?
    To learn everything you need to know about micro-CT, you can start here: What is micro-CT?


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