Difference between revisions of "Hardness"

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1. The ability of a surface to absorb energy imparted by an object colliding with it, or its shock absorbing properties.<br><br>
 
1. The ability of a surface to absorb energy imparted by an object colliding with it, or its shock absorbing properties.<br><br>
  
http://www.cladtechnologies.com/Articles/Image18.gif<BR><BR>
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https://www.azom.com/images/Article_Images/ImageForArticle_12727(8).jpg<BR><BR>
Image showing hardness testing on a surface.<BR>
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Schematic description of Rockwell Hardness Testing. Rockwell Formula: Hardness Rockwell HR = E – e. “E” is a constant of 100 (diamond) or 130 (ball) units. “e” is the penetration depth in units of 0.002mm.<BR>
Source: http://www.cladtechnologies.com/Articles/Hardness%20vs.%20Wear/hardness.htm<BR><BR>
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Source: https://www.azom.com/article.aspx?ArticleID=12727<BR><BR>

Latest revision as of 17:45, 5 October 2017


1. The ability of a surface to absorb energy imparted by an object colliding with it, or its shock absorbing properties.

ImageForArticle_12727(8).jpg

Schematic description of Rockwell Hardness Testing. Rockwell Formula: Hardness Rockwell HR = E – e. “E” is a constant of 100 (diamond) or 130 (ball) units. “e” is the penetration depth in units of 0.002mm.
Source: https://www.azom.com/article.aspx?ArticleID=12727