Technical Information Magazine 202305-03 Contact Angle in Microscopic Areas Using X-ray CT
This introduces the evaluation of contact angles in micro-regions and uneven surface shapes using X-ray CT, taking into account the effects of droplet size, sample surface heterogeneity, and the shape of the contact surface.
The technical information magazine The TRC News provides the latest information on analytical techniques that are useful for research and development, solving production troubles, and quality control. **Abstract** In measuring contact angles, the use of X-ray CT (computed tomography) methods, which can non-destructively capture the internal structure of samples in three dimensions, is effective for micro-regions, uneven shapes, and within materials. The contact angle measured in micro-regions using X-ray CT is significantly influenced by droplet size, the heterogeneity of the sample surface condition, and the shape of the contact surface. Therefore, it is important to evaluate these factors rather than simply comparing the magnitude of the contact angle. Here, we present results that verify these influences using three-dimensional observation data from polyethylene films and nylon threads. **Table of Contents** 1. Introduction 2. Influence of Droplet Size on Contact Angle 3. Contact Angle Measurement Using X-ray CT in Fibers 4. Conclusion
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Technical Information Magazine The TRC News "Contact Angle Measurement of Microscopic Areas Using X-ray CT" 【Abstract】 In the measurement of contact angles, the use of X-ray CT (Computed Tomography) method is effective for microscopic areas, uneven shapes, and internal structures of materials, as it allows for non-destructive three-dimensional imaging of the internal structure of samples. The contact angle measured in microscopic areas using X-ray CT is significantly influenced by droplet size, the heterogeneity of the sample surface condition, and the shape of the contact surface. Therefore, it is important to evaluate these influences rather than simply comparing the magnitude of the contact angle. Here, we present the results of verifying these influences using three-dimensional observation data from polyethylene films and nylon threads. 【Table of Contents】 1. Introduction 2. Influence of Droplet Size on Contact Angle 3. Contact Angle Measurement in Fibers Using X-ray CT 4. Conclusion 【Figures and Tables】 Figures 1 to 12: X-ray CT images, data, etc.
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At Toray Research Center, Inc., we provide technical support through analytical techniques and physical property analysis to address various challenges in research and development as well as production fields via contract analysis. Based on our long-standing achievements and extensive experience in analysis and physical property evaluation, we continue to strive to meet the advanced and diverse needs of our customers.
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