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Brinell hardness number
[ bri-nel hahrd-nis nuhm-ber ]
noun
Metallurgy.
- 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
- 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
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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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