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1 minute read

Water Contact Angle Correlation to Crosshatch Adhesion Tape Test in Accordance with ASTM D3359-09

Manufacturers are familiar with adhesion challenges when attempting to bond, paint, etch, or coat a substrate. Poorly prepared surfaces can undoubtedly produce problematic ...

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< 1 minute read

Effect of Surface Roughness on Contact Angle Measurements Obtained with the Surface Analyst

A frequent question from people who use contact angle measurements to characterize surfaces and control manufacturing processes is, “What effect does surface roughness have on ...

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1 minute read

Effect of Grit-Blasting on the Surface Energy of Graphite/Epoxy Composites

Composites consisting of polymer matrices reinforced with graphite fibers are attractive materials for structural applications in the aerospace industry because they are light in ...

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1 minute read

Water Contact Angle as a Quantitative Measure of Total Polyethylene Surface Energy

A wide variety of plasma treatments was performed on polyethylene surfaces, resulting in a wide range of total surface energies.

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Contact Angle Measurements and Surface Analysis of Atmospheric Pressure Plasma Treated Polypropylene

The Surface Analyst™ rapidly obtains contact angle measurements from surfaces via Ballistic Deposition, whereby a small drop of liquid (usually water) is constructed in situ on ...

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< 1 minute read

The Surface Analyst: Advanced Goniometry for Manufacturing

There are fundamental differences between an NRL-style goniometer and the Surface Analyst, most of which contribute to the value of the measurement for development and control of ...

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1 minute read

Gage Repeatability and Reproducibility of the Surface Analyst

Gage Repeatability and Reproducibility is a valued measure of a gauge’s appropriateness for use in a specific application.  Although this value is assigned to the gauge itself, it ...

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1 minute read

The Surface Analyst's Innovative Method of Depositing Water to Measure Contact Angle: Ballistic Deposition

The forces acting on a liquid drop in contact with a surface can be represented as the surface energy of the solid, the surface tension of the liquid, and the energy remaining at ...

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< 1 minute read

A Comparison of Dyne Inks with the Surface Analyst

While suitable in some cases for estimating surface energy (and therefore cleanliness or treatment level), the imprecision and subjectivity of wetting tension measurements makes ...

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