Brinell hardness
Bri·nell hardness
noun \brə-ˌnel-\Definition of BRINELL HARDNESS
: the hardness of a metal or alloy measured by hydraulically pressing a hard ball under a standard load into the specimen
Biographical Note for BRINELL HARDNESS
Brinell, Johan August (1849–1925), Swedish engineer. After studying the internal composition of steel during cooling and heating, Brinell devised his hardness test, which was first displayed in 1900 at the Paris Exposition.
