TERMIUM Plus®

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UPPER INTERCEPT [3 records]

Record 1 1998-03-09

English

Subject field(s)
  • General Mechanics (Physics)
  • Strength of Materials
CONT

The energy for complete fracture in double edge-notched tension test specimens has been measured for a wide range of polymer films. Results indicated that the variation of the total specific work of fracture, wT, with ligament length, L, can be described by two straight lines, both of the form wT=we+β wpl, thus giving upper and lower intercept values at zero ligament length(i. e. we) for each film. The first term, we, is the energy absorbed per unit area of fracture, whereas the second term, wp, is the energy absorbed per unit volume of plastic deformation remote from the fracture surface. The lower we value was obtained from the extrapolation of the data within the mixed mode region(plane-stress/plane-strain) where the maximum net-section stress exceeded 1. 15 times that of the tensile yield stress, σy, of the material, and the upper value was ascertained by extrapolating the data within the plane stress region where the net-section stress was 1. 15 σy. It appears that the transition from plane stress to plane strain mode of fracture in thin films occurs at a ligament length much greater than 5B, where B is the specimen thickness.

French

Domaine(s)
  • Mécanique générale (Physique)
  • Résistance des matériaux

Spanish

Save record 1

Record 2 1990-11-18

English

Subject field(s)
  • Chronology
  • Geology

French

Domaine(s)
  • Chronologie
  • Géologie
CONT

Les zircons par contre, qui s'alignent sur une droite dont l'intercept supérieur avec la Concordia est à 439 Ma, montrent une grande variation de compositions chimiques et isotopiques.

OBS

Si les âges sont discordants, les points sont alors alignés sur une corde de la concordia (...) qui recoupe la concordia en un point haut et un point bas. L'intersection haute correspond à t. Elle est généralement interprétée comme l'âge de cristallisation du minéral dans son milieu.

Spanish

Save record 2

Record 3 1986-05-22

English

Subject field(s)
  • Sewers and Drainage
  • Water Treatment (Water Supply)
DEF

A drain constructed at the upper end of the area to be drained to intercept surface or ground water flowing toward the protected area from higher ground and carry it away from the area.

French

Domaine(s)
  • Égouts et drainage
  • Traitement des eaux
DEF

Drain de surface ou souterrain placé le long du pied d'une colline, parallèlement à un canal avec fuites, ou autour d'un réservoir avec fuites, pour intercepter l'écoulement souterrain en un endroit favorable et éviter la pénétration de l'eau dans la région que l'on désire assainir.

Spanish

Save record 3

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