Statements (27)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
hardness test
|
| gptkbp:advantage |
minimal sample preparation
quick results |
| gptkbp:appliesTo |
major load
minor load |
| gptkbp:contrastsWith |
gptkb:Vickers_hardness_test
gptkb:Brinell_hardness_test |
| gptkbp:developedBy |
Stanley P. Rockwell
|
| https://www.w3.org/2000/01/rdf-schema#label |
Rockwell Hardness Test
|
| gptkbp:introducedIn |
1919
|
| gptkbp:limitation |
not suitable for very soft materials
not suitable for very thin materials |
| gptkbp:measures |
resistance to indentation
|
| gptkbp:output |
Rockwell hardness number
|
| gptkbp:size |
Rockwell A
Rockwell B Rockwell C |
| gptkbp:standardizedBy |
ASTM E18
|
| gptkbp:usedFor |
measuring hardness of materials
|
| gptkbp:usedIn |
manufacturing
metallurgy quality control |
| gptkbp:uses |
indentation method
|
| gptkbp:usesIndenter |
diamond cone
steel ball |
| gptkbp:bfsParent |
gptkb:Vickers_Hardness_Test
|
| gptkbp:bfsLayer |
7
|