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In August 2024, Michigan Metrology will celebrate our 30th anniversary in surface roughness measurement. Over the next months we will be taking a few trips down memory lane to remember

Q: What do your cell phone and the Webb Space Telescope have in common? A: The surface finish of their optics! The glass surface of most smart phones boasts a

A joint post with Digital Metrology Solutions. Download this article as a PDF How would you measure the wear on this porous surface? This friction material was subjected to a

Download this article as a PDF When it comes to coatings, the amount of surface area matters. We know that increasing the surface area can improve adhesion, and that “roughing

For a medical device to function over a long lifespan, we need to accurately specify, measure, and control its surface finishes. Yet, most surface finish specifications rely on parameters that

Download this article as a PDF I have a surface with a certain average roughness value. When I polish the surface, it gets shinier…but the measured number hasn’t changed! What’s

Average Roughness—in surface texture measurement, it’s one of the most frequently specified surface roughness parameters. In this video we look at how average roughness (Ra, or Sa) is calculated. We

Hone plates, or sharpening stones, are used to produce a fine edge on knives, scissors, and other tools. A kit of stones provides progressively finer grit sizes and spacings to

“Roughness” can mean a lot of things, but in surface texture analysis, it has a very specific meaning. In this short video we look at how 2D and 3D surface

Download this article as a PDF Abrasive wear can greatly impact the performance of engines and machinery. This kind of wear can be caused by excessive roughness on either of