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coefficient of static friction [2 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2003-10-16

English

Subject field(s)
  • Textile Industries
  • Engineering Tests and Reliability
CONT

Friction is the resistance force, or drag, that arises when a material surface slips over another surface. Coefficient of friction is a measurement of the slip level between two adjacent film surfaces ... The maximum force required to initiate sliding is referred to as the static coefficient of friction. Once sliding has commenced, the minimum force required to maintain slippage is called the kinetic coefficient of friction.

Key term(s)
  • static friction coefficient
  • SCOF
  • static COF

French

Domaine(s)
  • Industries du textile
  • Fiabilité, contrôle et essais (Ingénierie)

Spanish

Save record 1

Record 2 1998-09-29

English

Subject field(s)
  • Lubrication Technology
  • Physics of Solids
DEF

The ratio of the maximum possible frictional force, paralled to the surface of contact, which acts to prevent two bodies in contact, and at rest with respect to each other, from sliding or rolling over each other, to the force, normal to the surface of contact, with which the bodies press against each other.

CONT

The coefficient of kinetic friction for smooth metal surfaces ... ranges from 0.15 to 0.5 and is slightly less usually than the coefficient of static or limiting friction. These coefficients are independent of the area of the surfaces in contact.

Key term(s)
  • static friction coefficient

French

Domaine(s)
  • Tribologie
  • Physique des solides
CONT

[...] un corps placé au contact d'une surface rugueuse et soumis à une force F peut être en équilibre pourvu que les composantes tangentielle Ft et normale Fn de la force F vérifient la condition [...] où f0, appelé coefficient de frottement statique, dépend des surfaces en contact. Par exemple, f0 vaut 0,75 dans le cas du contact entre pierres calcaires [...]

CONT

[...] [le coefficient de frottement] est indépendant de l'étendue de la surface de contact [...]; il ne dépend pratiquement pas de la vitesse, sauf au démarrage, où il est augmenté d'environ 30 % (il s'agit, alors, du coefficient d'adhérence).

Spanish

Save record 2

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