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Home » Keywords » surface metrology

Items Tagged with 'surface metrology'

ARTICLES

From the Editor, Darryl Seland
From the Editor | Darryl Seland

Speaking the same language

Choosing your words and everything else, wisely.
Darryl
Darryl Seland
March 5, 2021
4 Comments

George Carlin once said, “Everybody smiles in the same language.” 


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Figure 1: Traceable surface roughness master artifact

How to Successfully Establish a Correlation between Contact and Optical Surface Measurements

Contact stylus and noncontact optical can show excellent correlation.
Christian M Wichern, Ph.D.
December 3, 2020
14 Comments

Many use the phrase surface metrology interchangeably with roughness measurement, but it actually has a much wider meaning that includes measurement and quantification of periodicity; geometry; size; shape and number of discrete features and shapes; height or spacing based statistics; etc.


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engine block

Hidden Waviness: When Measuring Roughness Cannot Solve Quality Challenges

Roughness and waviness are dictated by each particular application.
Mike Zecchino Mark Malburg Donald K. Cohen Ph.D.
June 1, 2020
32 Comments

Specifications for surface texture frequently focus on surface “roughness”—the finer structures in the texture—often to the exclusion of the “waviness”—the larger structure of the texture. Unfortunately, problems related to sealing, vibration, noise, wear, etc., are regularly caused by issues hidden in the waviness domain, which cannot be captured by common roughness specifications.


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This is a 3D topography of sheet steel surface.

How to Make the Right Choice between 2D vs. 3D in Surface Metrology

With the advent of new processes and materials, surfaces have an increasingly technical function.
Christian M Wichern, Ph.D.
August 1, 2019
5 Comments

Surface finish affects how a part will fit, reflect light, transmit heat, wear, distribute lubrication, accept coatings and more. The right finish should ultimately be determined by the part’s function and the engineering requirements of the application.


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3D optical view

Fully Characterizing Brake Pad Materials to Improve Performance and Lower Development Costs

Combining benchtop mechanical testing of smaller brake material samples with rapid 3D surface metrology makes it possible to analyze results more quickly than ever before.
Roger Posusta Giovanni Ramirez
September 1, 2018
One Comment

Researching how different materials influence brake pad performance and durability involves a vast amount of back-and-forth testing and metrology analysis.


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headline
INDUSTRY HEADLINE

Michigan Metrology Announces Short Course to Further the Understanding of Surface Texture and Tribology

July 2, 2018
No Comments

Michigan Metrology’s Don Cohen, Ph.D., will lead the two-day short course.


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INDUSTRY HEADLINE

Industry Expert to Speak at Olympus Booth at IMTS 2014

June 25, 2014
No Comments
IMTS will take place September 8-13 in Chicago.
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height gage surface metrology
Quality 101

Measure Your Needs for the Proper Height Gage

Selecting the right gage for the right job.
Gena Johnson
October 30, 2013
No Comments

Height gages are a general purpose tool, which can be used in a variety of industries and applications by anyone who needs to measure precision parts.


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