˜yÐÄvlog

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Brinell hardness number

[ bri-nel hahrd-nis nuhm-ber ]

noun

Metallurgy.
  1. a rating obtained from a test Brinell test to determine the hardness of a metal by pressing a steel ball of a standard size into the metal using a standard force. : Bhn, HB


Brinell hardness number

/ ²ú°ùɪˈ²ÔÉ›±ô /

noun

  1. a measure of the hardness of a material obtained by pressing a hard steel ball into its surface; it is expressed as the ratio of the load on the ball in kilograms to the area of the depression made by the ball in square millimetres
“Collins English Dictionary — Complete & Unabridged†2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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˜yÐÄvlog History and Origins

Origin of Brinell hardness number1

Named after J.A. Brinell (1849–1925), Swedish engineer
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˜yÐÄvlog History and Origins

Origin of Brinell hardness number1

C19: named after Johann A. Brinell (1849–1925), Swedish engineer

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