Vickers Hardness Test

GPTKB entity

Statements (27)
Predicate Object
gptkbp:instanceOf hardness test
gptkbp:advantage can test small parts
requires optical measurement
single scale for all materials
slower than Rockwell test
suitable for thin materials
gptkbp:alternativeTo gptkb:Brinell_Hardness_Test
gptkb:Rockwell_Hardness_Test
gptkbp:appliesLoad 1 kgf to 100 kgf
gptkbp:appliesTo gptkb:ceramics
metals
composites
gptkbp:calculationFormula HV = 1.854(F/D^2)
gptkbp:developedBy gptkb:Robert_L._Smith
gptkb:George_E._Sandland
1921
https://www.w3.org/2000/01/rdf-schema#label Vickers Hardness Test
gptkbp:indenterAngle 136 degrees
gptkbp:measures diagonal lengths of indentation
gptkbp:namedAfter gptkb:Vickers_Ltd.
gptkbp:result gptkb:Vickers_Hardness_Number_(HV)
gptkbp:standardizedBy gptkb:ASTM_E92
gptkb:ISO_6507
gptkbp:usedFor measuring hardness of materials
gptkbp:usesIndenter diamond pyramid
gptkbp:bfsParent gptkb:Vickers_Limited
gptkbp:bfsLayer 6