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HARDNESS DETERMINATION [4 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2019-05-30

English

Subject field(s)
  • Materials Identification Methods
CONT

In determination of the calculation model for hardness, calculation equations are given to be applied to low carbon content... for the child phases and the martensite hardness is calculated for high carbon content... in alloy.

French

Domaine(s)
  • Identif. de la matière (Génie des matériaux)

Spanish

Save record 1

Record 2 2002-07-31

English

Subject field(s)
  • Engineering Tests and Reliability
  • Destructive and Non-destructive Tests (Mat.)
  • Metallography
OBS

The Tukon tester... was designed primarily to make possible hardness testing, using extremely shallow indentations. This permits(a) testing of extremely small dimensional pieces,(b) determination of hardness gradients in superficially hardened surfaces,(c) exploring hardness variations over small areas, and(d) the determination of the hardness of metal constituents. The latter type of testing, as applied to determinations involving various components of microstructure, is referred to as micro-hardness.

OBS

for "micro-indentation testing" : In the broad sense the term micro-indentation is more appropriate than micro-hardness, because this type of testing utilizes minute indentations, whereas the hardness values are not necessarily small.

Key term(s)
  • micro-hardness test
  • micro-indentation test
  • micro hardness testing
  • microhardness test

French

Domaine(s)
  • Fiabilité, contrôle et essais (Ingénierie)
  • Contrôle destructif et non destructif (Matér.)
  • Métallographie
CONT

Du point de vue scientifique, on peut séparer les essais de dureté [...] des essais de microdureté, par le fait que les premiers intéressent un nombre quelquefois très important de grains de métal, alors que les seconds sont destinés en principe à définir les propriétés à l'intérieur des grains soit de la matrice, soit de ses divers constituants.

Key term(s)
  • essai de micro-dureté
  • test de microdureté
  • test de micro-dureté

Spanish

Save record 2

Record 3 1998-04-25

English

Subject field(s)
  • Types of Paper
  • Equipment (Chemistry)
CONT

Gallard-Schlesinger Industries offers a wide range of indicators and test papers to accurately measure pH and test many other materials. Test papers for semi-quantitative determination of ions are available and also a variety of anion and cation test papers. New test papers include nitrite, ozone, calcium and carbonate hardness. For detection of... Diazotizations... Product name... STARCH paper.

French

Domaine(s)
  • Sortes de papier
  • Équipement (Chimie)
DEF

Papier traité à l'amidon, et utilisé dans les laboratoires pour des tests indiquant la présence d'iode.

Spanish

Save record 3

Record 4 1982-11-16

English

Subject field(s)
  • Copper and Copper Alloys (Metallurgy)
OBS

In an indentation hardness test, the bulge formed on the anvil side of the specimen which indicates that the hardness determination is of questionable accuracy.

French

Domaine(s)
  • Cuivre et alliages du cuivre (Métallurgie)
OBS

Dans le contrôle de la dureté par empreinte, gonflement formé sur la surface inférieure de l'échantillon; indique que la mesure de la dureté est d'une précision douteuse.

Spanish

Save record 4

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