en

universal hardness

1

Terminological databases

Materjalitehnika terminibaas

ID 672192 Last modified 31.07.2025
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Domain testing methodsstrength of materials
Martensi kõvadus preferred
Martens hardness preferred
HM
universal hardness
HU
твердость Мартенса preferred
  • kolme- või neljakülgse teemantpüramiidi (Vickersi või Berkovishi indentor) materjali sujuva sissesurumise teel määratav kõvadus ning võetakse üles indenteerimiskõver (vt Vickersi indentor, Berkovishi indentor; vrd Vickersi kõvadus)
    Good to know
    • Kõvaduskatsel indenteerimisgraafiku (rakendatud jõu ruutjuur- indenteerimissügavus) kalle. (vt indenteerimiskõvadus)
  • hardness, obtained by continuous recording of load, depth and time during the indendation of three or four sided diamond pyramids (correspondently Vickers and Berkovich indentors) (see: Vickers indenter, Berkovish indenter; compare: Vickers hardness)
    Good to know
    • The slope of the square root of applied force to indentation depth in an indentation hardness test that monitors indendation depth as applied force inreases.
Martensi kõvadus preferred
Martens hardness preferred
HM abbreviation
universal hardness
HU abbreviation
твердость Мартенса preferred

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