File:MetalFatigue 003.jpg
Original file (5,888 × 4,704 pixels, file size: 1.09 MB, MIME type: image/jpeg)
Captions
Summary
[edit]DescriptionMetalFatigue 003.jpg | Close-up of the vibration-responsive automatic stopping device recently developed at the National Bureau of Standards for use with fatigue-testing machines. A steel ball is balanced on a three-pronged pedestal, which is fastened to one of the testing machine bearing boxes at a point near the test specimen. When a crack begins to form in the specimen, vibration increases. Shaken from its pedestal by the vibration, the steel ball closes an elecrical circuit, thus actuating a relay and stopping the machine. | ||||
Source | National Institute of Standards and Technology | ||||
Author | National Institute of Standards and Technology | ||||
Permission (Reusing this file) |
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Licensing
[edit]Public domainPublic domainfalsefalse |
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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current | 19:02, 6 March 2014 | 5,888 × 4,704 (1.09 MB) | NISTResearchLibrary (talk | contribs) |
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Metadata
This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.
Image title |
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Author | National Institute of Standards and Technology |
Copyright holder |
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Source | Metal Fatigue Photographic Collection |
Headline | National Institute of Standards and Technology |
Short title |
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Width | 5,888 px |
Height | 4,704 px |
Bits per component |
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Compression scheme | Uncompressed |
Pixel composition | RGB |
Orientation | Normal |
Number of components | 3 |
Horizontal resolution | 600 dpi |
Vertical resolution | 600 dpi |
Data arrangement | chunky format |
Software used | Adobe Photoshop CS5 Windows |
File change date and time | 16:03, 12 February 2013 |
Exif version | 2.21 |
Color space | Uncalibrated |
Image width | 5,888 px |
Image height | 4,704 px |
Original transmission location code | 510078 |
Date metadata was last modified | 11:21, 12 February 2013 |
Date and time of digitizing | 02:38, 29 January 2013 |
Copyright status | Copyright status not set |
Unique ID of original document | xmp.did:973A136B5675E21197A3CF50644ABE3E |
Keywords | Metals--Fatigue--Photograph collections. |
Contact information | library@nist.gov
100 Bureau Dr, MS 2500 Gaithersburg, MD, 20899 |
IIM version | 2 |