ESSAI JOMINY PDF

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From Wikimedia Commons, the free media repository. File information. Structured data. Captions English Add a one-line explanation of what this file represents. Summary [ edit ] Description Essai jominy. The quenching vs to the distance to cooled side thus vs the cooling speed is evaluated by Rockwell hardness.

The spherical prints on the flat right symbolize the marks of the Rockwell test. I, the copyright holder of this work, hereby publish it under the following licenses:. You may select the license of your choice. The quenching vs to the distance to cooled side thus vs the cooling speed is evaluated by Rock. You cannot overwrite this file. The following other wikis use this file: Usage on de.

Structured data Items portrayed in this file depicts. Category : Jominy test. Namespaces File Discussion. Views View Edit History. This page was last edited on 19 February , at Files are available under licenses specified on their description page. All structured data from the file and property namespaces is available under the Creative Commons CC0 License ; all unstructured text is available under the Creative Commons Attribution-ShareAlike License ; additional terms may apply.

By using this site, you agree to the Terms of Use and the Privacy Policy. Description Essai jominy. English: Jominy test: a mm long cylinder is heated above A 3 austenitization and quenched at one side by a water jet. This W3C- unspecified vector image was created with Inkscape. You are free: to share — to copy, distribute and transmit the work to remix — to adapt the work Under the following conditions: attribution — You must give appropriate credit, provide a link to the license, and indicate if changes were made.

You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use. Cdang talk contribs.

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File:Essai jominy.svg

The hardenability of a metal alloy is the depth to which a material is hardened after putting it through a heat treatment process. It should not be confused with hardness , which is a measure of a sample's resistance to indentation or scratching. When a hot steel work-piece is quenched , the area in contact with the water immediately cools and its temperature equilibrates with the quenching medium. The inner depths of the material however, do not cool so rapidly, and in work-pieces that are large, the cooling rate may be slow enough to allow the austenite to transform fully into a structure other than martensite or bainite. This results in a work-piece that does not have the same crystal structure throughout its entire depth; with a softer core and harder "shell".

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