TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

HARDNESS INDEX [1 record]

Record 1 1999-10-19

English

Subject field(s)
  • Mineralogy
  • Metrology and Units of Measure
  • Strength of Materials
  • Engineering Tests and Reliability
DEF

A number representing the relative hardness of a mineral, metal, or other material as determined by any of more than 30 different hardness tests.

CONT

Vickers Hardness Number ...: A number related to the applied load and the surface area of the permanent impression ...

CONT

One scratch hardness scale, called the Mohs Scale, rates very soft talc with a hardness of 1 and diamond, which will scratch all other materials, with a hardness of 10.

French

Domaine(s)
  • Minéralogie
  • Unités de mesure et métrologie
  • Résistance des matériaux
  • Fiabilité, contrôle et essais (Ingénierie)
CONT

Le nombre de dureté Vickers [...] est le rapport de la charge F et de la surface S de l'empreinte.

Spanish

Campo(s) temático(s)
  • Mineralogía
  • Metrología y unidades de medida
  • Resistencia de los materiales
  • Fiabilidad y ensayos (Ingeniería)
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