What is going on with the phenomena of spark patterns of steel grinding?

Subject: What is going on with the phenomena of spark patterns of steel grinding?

Date: Fri Feb 9 20:59:42 2001
Posted by Roger
Grade level: nonaligned School: No school entered.
City: No city entered. State/Province: No state entered. Country: No country entered.
Area of science: Other
ID: 981770382.Ot

Message:


I've seen these beautiful telling patterns in person and in general 
metalurgical texts.  High carbon steel sure throws a different spark than 
mild steel when held against a grinder.  In layman terms, can you describe 
the branching, angles, length and color differences?  Is there 
a "taxonomy" for working backward from the pattern to the unknown metal?  
Thank-you.

Re: What is going on with the phenomena of spark patterns of steel grinding?

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