File:Flame hardened sprocket.jpg
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![File:Flame hardened sprocket.jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/d/df/Flame_hardened_sprocket.jpg/750px-Flame_hardened_sprocket.jpg?20150619074549)
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[edit]DescriptionFlame hardened sprocket.jpg |
English: A timing sprocket for an engine that has been heat treated to a specific hardness, and then flame hardened at only the surface of the teeth. The bluish discoloration around the teeth indicate the area that was quickly heated to red hot and then quenched, hardening only the surface to the highest hardness possible. The sprocket is then used without further tempering, providing a very wear-resistant surface, but providing tougher metal directly underneath. The heat-affected zone lies just inside this discoloration, penetrating beneath the hardened metal, between the teeth and the ring of tempering colors. |
Date | |
Source | Own work |
Author | Zaereth |
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[edit]I, the copyright holder of this work, hereby publish it under the following license:
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 07:45, 19 June 2015 | ![]() | 2,276 × 1,820 (671 KB) | Zaereth (talk | contribs) | User created page with UploadWizard |
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Camera manufacturer | Canon |
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Camera model | Canon PowerShot ELPH 135 |
Exposure time | 1/320 sec (0.003125) |
F-number | f/9 |
ISO speed rating | 100 |
Date and time of data generation | 22:25, 31 May 2013 |
Lens focal length | 5 mm |
Orientation | Normal |
Horizontal resolution | 180 dpi |
Vertical resolution | 180 dpi |
File change date and time | 22:25, 31 May 2013 |
Y and C positioning | Centered |
Exif version | 2.3 |
Date and time of digitizing | 22:25, 31 May 2013 |
Meaning of each component |
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APEX shutter speed | 8.3125 |
APEX aperture | 6.34375 |
APEX exposure bias | 0 |
Flash | Flash fired, compulsory flash firing, red-eye reduction mode |
Supported Flashpix version | 1 |
Color space | sRGB |
Focal plane X resolution | 19,041.32231405 |
Focal plane Y resolution | 18,989.010989011 |
Focal plane resolution unit | inches |
File source | Digital still camera |
Custom image processing | Custom process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Digital zoom ratio | 1 |
Scene capture type | Standard |
Structured data
31 May 2013
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