TERMIUM Plus®

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IMPACT CAST [5 records]

Record 1 2001-09-27

English

Subject field(s)
  • Smelting (Metal Processing)
CONT

The LiMCA II system provides granulometric and total density information on the inclusion content of aluminum melts, in real time, based on an objective and user-independent method. It is ideally suited for applications in process development, process control, and quality assurance.

CONT

The LiMCA II system characterizes the cleanliness of a melt at time intervals of the order of 1 minute. It therefore monitors quasi-continuously, and in real time, the evolution of cleanliness along a cast, as a function of process parameters and melt-handling practices. The impact of furnace preparation, allowing practice, feedstock mix, settling time, and similar parameters on melt cleanliness, is easily determined. The effects of routine casting practices(metal level control, turbulence in the metal distributor) are directly observed as they take place. The time at which inclusion flushing from the holder starts at the end of a cast are determined for different sets of casting parameters, enabling the metallurgist to stop the cast at the right time to minimize the need for heel removal.

French

Domaine(s)
  • Fusion (Transformation des métaux)
CONT

Le LiMCA est un appareil pour mesurer les inclusions non métalliques dans l'aluminium en fusion.

CONT

Pour minimiser ces imperfections, la compagnie Alcan conjointement avec la firme Bomen de Québec, spécialisée en instruments industriels, ont mis au point le LiMCA (pour Liquid Metal Cleanliness Analyser), un appareil capable de détecter en moins d'une minute les moindres saletés présentes dans l'aluminium liquide à une concentration aussi faible qu'une particule par gramme de métal fondu!

Spanish

Save record 1

Record 2 1999-10-28

English

Subject field(s)
  • Metal Forming
DEF

A piece of metal of uniform thickness and of regular or irregular shape taken from a wrought product, usually for impact extrusion. Slugs are supplied with or without a centre hole. They may also be taken from a cast product.

OBS

Term standardized by ISO.

French

Domaine(s)
  • Formage des métaux
DEF

Pièce de métal d'épaisseur constante et de forme régulière ou irrégulière, obtenue à partir d'un produit corroyé, destinée généralement au filage par choc. Les pions sont livrés avec ou sans trou de centrage. Ils peuvent également être obtenus à partir d'un produit moulé.

OBS

Terme normalisé par l'ISO.

Spanish

Save record 2

Record 3 1988-01-08

English

Subject field(s)
  • Environmental Studies and Analyses
  • Ecology (General)
CONT

To be useful as an operational guide, social scoping is often cast in terms of the plant or animal species perceived by society to be important. Thus, among other more ecological criteria, Carins(1975) used commercial, recreational or aesthetic values as some of the bases for establishing a list of critical species. Similarly, Trutt(1978) established the focus for a major impact research programme on ’key species’ which were defined on the basis of abundance, and commercial, recreational and food value to man.

French

Domaine(s)
  • Études et analyses environnementales
  • Écologie (Généralités)

Spanish

Save record 3

Record 4 1984-12-12

English

Subject field(s)
  • Casting and Patternmaking (Metal Processing)

French

Domaine(s)
  • Moulage et modelage des métaux

Spanish

Save record 4

Record 5 1981-02-24

English

Subject field(s)
  • Bearings and Bearing Systems (Mechanical Components)
  • Industrial Tools and Equipment
OBS

The impact spanners are made of spheroidal graphite cast iron and have a special impact face positioned to permit maximum transmission of the impact energy to the nut.

French

Domaine(s)
  • Paliers, coussinets et roulements (Composants mécaniques)
  • Outillage industriel
OBS

Les clés de frappe sont en fonte à graphite sphéroïdal. Elles comportent une face spéciale destinée à recevoir les chocs et disposée de manière à en transmettre l'énergie à l'écrou dans les meilleures conditions.

Spanish

Save record 5

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