File:MetalFatigue 004.jpg
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| Description | Apparatus used at the National Bureau of Standards for polishing smooth fatigue test specimens. Motor driven, the equipment produces a highly uniform finish from specimen to specimen. The polishing wheel, consisting of a large number of metal spring leaves, presses an abrasive belt against the specimen with uniform pressure. The specimen itself is rotated at a constant rate, and advances slowly over the abrasive surface during the polishing operation. | |||
| Source | National Institute of Standards and Technology | |||
| Author | National Institute of Standards and Technology | |||
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This image is in the public domain in the United States because it is a work of the United States Federal Government, specifically an employee of the National Institute of Standards and Technology, under the terms of Title 17, Chapter 1, Section 105 of the US Code.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 19:02, 6 March 2014 | | 5,738 × 4,524 (1.09 MB) | NISTResearchLibrary (talk | contribs) |
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