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CYCLE STRESS [7 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2016-11-03

English

Subject field(s)
  • Plastics Manufacturing
DEF

The smallest part of the stress/time function which is repeated at regular intervals and is of sinusoidal form with undulating shear.

OBS

stress cycle: term and definition standardized by ISO.

French

Domaine(s)
  • Plasturgie
DEF

Plus petite partie de la fonction contrainte/temps qui se répète périodiquement et elle est sinusoïdale en cisaillement ondulé.

OBS

cycle de contrainte : terme et définition normalisés par l'ISO.

Spanish

Campo(s) temático(s)
  • Fabricación de plásticos
DEF

Parte más pequeña de la función esfuerzo/tiempo la cual se repite a intervalos regulares, de forma sinusoidal con corte ondulante.

Save record 1

Record 2 2014-05-23

English

Subject field(s)
  • Scientific Measurements and Analyses
  • Rheology
  • Engineering Tests and Reliability
CONT

In conducting fatigue tests, several specimens are run at various loads or stress levels to determine the number of stress cycles to cause failure. These results are then plotted as a logarithmic or semi-logarithmic graph in which stress (S) is the ordinate and the number of cycles (N) the abscissa. The curves obtained are generally called S-N curves. Usually, the data are plotted on semi-logarithmic graphs in which the number of cycles is recorded on the logarithmic scale.

OBS

Although "diagram" and "curve" are not perfectly synonymous ("diagram" has a more abstract meaning than "curve"), in this case, the authors consulted do not distinguish between "S-N diagram" and "S-N curve".

OBS

S-N diagram: term standardized by ASTM [American Society for Testing and Materials].

Key term(s)
  • endurance curve
  • fatigue curve

French

Domaine(s)
  • Mesures et analyse (Sciences)
  • Rhéologie
  • Fiabilité, contrôle et essais (Ingénierie)
CONT

La méthode classique pour déterminer la limite d'endurance d'un métal consiste à procéder à un certain nombre d'essais sous des charges différentes jusqu'à obtenir la rupture de chaque éprouvette; on construit une courbe, dite courbe de Wöhler, en portant, pour chaque éprouvette, en abscisse, avec une échelle logarithmique, le nombre de cycles qui ont amené la rupture et, en ordonnées, avec une échelle linéaire, la contrainte maximum produite au cours de chaque cycle; cette courbe admet, en général, une asymptote qui définit la limite d'endurance [...]

Spanish

Campo(s) temático(s)
  • Medición y análisis (Ciencias)
  • Reología
  • Fiabilidad y ensayos (Ingeniería)
DEF

Curva, que permite observar la resistencia del material, la cual indica la relación observada experimentalmente entre la vida en servicio N, presentada convencionalmente en al abscisa (escala logarítmica) y la amplitud del esfuerzo [...] o el esfuerzo máximo [...] que se presenta en la ordenada en escala lineal o en escala logarítmica.

Save record 2

Record 3 1981-03-31

English

Subject field(s)
  • Elevators
OBS

when a material is subjected to many cycles of stress reversal or fluctuation (...) failure may occur, even though the maximum stress (...) is (...) less than (...) if the stress were constant.

French

Domaine(s)
  • Ascenseurs et monte-charge
OBS

si (...) le sens (...) ne change pas mais seule l'intensité varie [et] la valeur minimale est nulle, la contrainte est dite répétée.

Spanish

Save record 3

Record 4 1975-03-11

English

Subject field(s)
  • Types of Motor Vehicles and Bicycles
  • Strength of Materials
OBS

the limiting stress below which a metal will withstand an indefinitely large number of cycles of stress without failure by fatigue fracture.

French

Domaine(s)
  • Sortes de véhicules automobiles et de bicyclettes
  • Résistance des matériaux
OBS

les machines d'essais d'endurance permettent de réaliser des contraintes périodiques qui sont en général sinusoïdales.

Spanish

Save record 4

Record 5 1975-03-11

English

Subject field(s)
  • Types of Motor Vehicles and Bicycles
  • Strength of Materials
OBS

When a material is subjected to many cycles of stress reversal or fluctuation ... failure may occur, even though the maximum stress ... is ... less than ... if the stress were constant.

French

Domaine(s)
  • Sortes de véhicules automobiles et de bicyclettes
  • Résistance des matériaux
OBS

Si [le sens] ne change pas, mais seule l'intensité varie [et] la valeur minimale demeure différente de zéro et de même signe que la contrainte maximale, la contrainte est dite ondulée.

Spanish

Save record 5

Record 6 1975-03-11

English

Subject field(s)
  • Types of Motor Vehicles and Bicycles
  • Strength of Materials
OBS

the limiting stress below which a metal will withstand an indefinitely large number of cycle of stress without failure by fatigue fracture.

French

Domaine(s)
  • Sortes de véhicules automobiles et de bicyclettes
  • Résistance des matériaux
OBS

si l'amplitude et le nombre de sollicitations périodiques sont suffisantes, il en résulte une rupture par fatigue.

Key term(s)
  • sollicitation périodique

Spanish

Save record 6

Record 7 1975-03-11

English

Subject field(s)
  • Types of Motor Vehicles and Bicycles
  • Strength of Materials
OBS

when a material is subjected to many cycles of stress reversal or fluctuation (...) failure may occur, even though the maximum stress (...) is (...) less than (...) if the stress were constant.

French

Domaine(s)
  • Sortes de véhicules automobiles et de bicyclettes
  • Résistance des matériaux
OBS

si (...) le sens (...) ne change pas mais seule l'intensité varie [et] la valeur minimale est nulle, le contrainte est dite répétée.

Spanish

Save record 7

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