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brinell hardness

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Bri·nell hardness   (brĭ-něl')   
n.  The relative hardness of metals and alloys, determined by forcing a steel ball into a test piece under standard conditions and measuring the surface area of the resulting indentation.

[After Johan August Brinell (1849-1925), Swedish engineer.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

Main Entry: Bri·nell hardness
Pronunciation: br&-"nel-
Function: noun
: the hardness of a metal or alloy measured by hydraulically pressing a hardball under a standard load into the specimen
Brinell,# /br&-'nel,/ Johan August (1849–1925), Swedish engineer. After studying the internal composition ofsteel during cooling and heating, Brinell devised his hardness test, which was first displayed in 1900 at the Paris Exposition.
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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