Brinell Hardness Test

GPTKB entity

Statements (24)
Predicate Object
gptkbp:instanceOf hardness test
gptkbp:alternativeTo gptkb:Vickers_Hardness_Test
gptkb:Rockwell_Hardness_Test
gptkbp:appliesLoad 1500 kgf
3000 kgf
500 kgf
gptkbp:calculationFormula BHN = 2P / (π D (D - sqrt(D^2 - d^2)))
gptkbp:commonIn metals
gptkbp:D diameter of ball in mm
gptkbp:developedBy gptkb:Johan_August_Brinell
https://www.w3.org/2000/01/rdf-schema#label Brinell Hardness Test
gptkbp:introducedIn 1900
gptkbp:measures diameter of indentation
gptkbp:notRecommendedFor thin materials
very hard materials
gptkbp:PP applied load in kgf
gptkbp:result BHN
gptkbp:standardBallDiameter 10 mm
gptkbp:standardizedBy ASTM E10
gptkbp:usedFor measuring hardness of materials
gptkbp:usesIndenter hardened steel ball
gptkbp:דת diameter of indentation in mm
gptkbp:bfsParent gptkb:Vickers_Hardness_Test
gptkbp:bfsLayer 7