TERMIUM Plus®

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

MICROFISSURATION [3 records]

Record 1 2003-11-07

English

Subject field(s)
  • Industrial Ceramics
CONT

A typical ceramic matrix composite (CMC) is made up of very fine fibres or particulates embedded in an otherwise monolithic ceramic body.

OBS

... systems currently under development for high-temperature structural applications include partially stabilized zirconia, alumina reinforced with zirconia or born nitride particulates, and silicon carbide fibre reinforced lithium aluminum; silicates.

French

Domaine(s)
  • Céramiques industrielles
CONT

Une exception à cette règle de l'adhésion maximale est cependant donnée par les composites à matrice céramique dans lesquels la matrice ayant une déformation à rupture bien inférieure à celle des fibres, c'est elle qui est endommagée la première par microfissuration.

Spanish

Save record 1

Record 2 1994-09-12

English

Subject field(s)
  • Types of Concrete
CONT

Microcracking of concrete can be estimated by observing under microscope polished sections impregnated with a colour dye.

French

Domaine(s)
  • Sortes de béton
CONT

La microfissuration des bétons est liée à :-différents phénomènes physico-chimiques internes, à savoir sédimentation, contraction Le Chatelier, chaleur d’hydratation, autodessiccation;-des contraintes externes d’origine mécanique.

Spanish

Save record 2

Record 3 1990-02-07

English

Subject field(s)
  • Strength of Materials
CONT

Fracture in ceramics is controlled by the direct effect of the microstructure at the crack tip ... Possibilities of improving fracture toughness include random orientation of grains, microfracture, transformation toughening and the addition of fibers.

French

Domaine(s)
  • Résistance des matériaux
CONT

Le renforcement mécanique [de l'alumine par des inclusions de zircone] peut procéder de deux causes principales : une microfissuration diffuse(autour des particules déjà transformées) menant à un accroissement de ténacité par bifurcation, changement de plans, etc, de la fissure qui se propage lors de la rupture(...), une transformation sous contraintes(...)

Spanish

Save record 3

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