Brinell hardness (HB) nke nwere ụfọdụ dayameta nke bọọlụ nchara ma ọ bụ bọọlụ tungsten carbide, na-agbanye n'ụdị elu nke ikike nnwale a kara aka (F), mgbe ejidere aka ejidere oge mgbe ike nyocha dara, dayameta nke ihe nlele n'elu indentation. (L).Ike nnwale brinell siri ike kewara site na nbanye n'elu mpaghara okirikiri.Na HBS (Ball Ball Ball) nkeji N/mm2 (MPa).Usoro a bụ: ebe: F - apịnye n'ime elu igwe nke ike nlele nlele, N;D - nwale nchara bọlbụ dayameta, mm;d - nrịbama nkezi dayameta mm.A tụrụ hardness brinell nke ọma na ntụkwasị obi, mana n'ozuzu HBS na-emetụta naanị 450N/mm2 (MPa) ma ọ bụ obere ihe igwe, maka igwe siri ike, ma ọ bụ mpempe akwụkwọ NA.Steel ụkpụrụ, Brinell ekweghị ekwe bụ ndị kasị n'ọtụtụ ebe na-eji, na mgbe kwuru na ike nke ihe onwunwe, na indentation dayameta d ma kensinammuo na adaba.

hardness brinell bụ ụzọ a na-ejikarị eme ihe na nyocha ike ike nke carbon steel,.Usoro a na-eji nke mbụ, n'ihi akara ya, ma si otú ahụ ike ụkpụrụ emetụta ndị sample nzukọ microsegregation Efrata na-ezighị ezi ntakiri mmetụta, ule pụta ihe ifesa a obere ogo, ezi reproducibility, nwere ike ebumnobi na-egosipụta isi ike nke ihe.

Ụkpụrụ: N'ime ike nchọpụta a kara aka, a na-agbanye otu dayameta nke bọọlụ nchara n'ime ihe atụ ahụ ka ọ nọgide na-enwe oge ụfọdụ, wee wepụ ike ahụ achọpụtara, enwere ike ịgbakọ ihe nrịbama nke nrịbama n'elu ihe atụ, dabere na Dayameta nke nrịba akara nrịbama na-egosi mpaghara gravure.Ike nnwale brinell siri ike kewara site na nbanye n'elu mpaghara okirikiri.Nkeji 9.807N/mm.The indentation Big ígwè bọọlụ pịa n'ime miri emi, obere ike ike ụkpụrụ;vice versa hardness ụkpụrụ itinye aka.