The stress (or effective strain) can then be determined from the first data and from second data characteristic of the material, such as a stress-strain curve.
The surface layer gives a stress-strain curve wherein in the strain range of 0.25-0.8, the tangent modulus of elasticity, which is the slope of the curve, increases as the strain increases.
Young's Modulus is the gradient of the stress-strain curve.
The point of inflection from low elasticity region characteristics to high elasticity region characteristics in a stress-strain curve is preferably set in a range of 2 to 7 % of strain.
Young's modulus represents the slope of the line in a stress-strain curve.
TEA is calculated as the area under the stree-strain curve for the tissue sheet.
In most cases the modulus is calculated in the linear region of the stress-strain curve.
As noted earlier, this energy can be considered to be directly related to the area under the stress-strain curve.
Breaking strength refers to a coordinate on a stress-strain curve representing the point of breaking or rupture.
Figure 1 shows a magnified view of the early portion of a stress-strain curve for a highly-glass-fiber-reinforced nylon 6/6.
Figure 1 shows a magnified view of the early portion of a stress-strain curve for a highly-glass-fibre-reinforced nylon 6/6.
Therefore, when using the modulus as a selection property it is important to understand the position of the application stress on the stress-strain curve.
The calculation in RF-CONCRETE Members uses a common solution that is reasonable for construction purposes: The concrete's stress-strain curve is distorted by the factor (1+ φ).
Therefore, the accurate determination of parameters, including stress-strain curve, Young’s modulus, r-value and n-value, is very important.
The impact energy, determined from the total area under a generated stress-strain curve, should be provided, as well as the mode and location of failure.
The Young's modulus and Poisson's ratio are obtained from the initial slope of the stress-strain curve and the ratio of longitudinal to transverse strains.
A soft machine follows the stress-strain curve better as the specimen fails; however, the additional stored energy will be released and lead to faster crack propagation, and thus a lower apparent strength.
While this can sometimes be seen in the stress-strain curve data, it can also be detected using an acoustic emission (AE) sensor, and with much higher sensitivity.
This performance is quantified through the material toughness, defined as the area under the stress-strain curve, which is the mechanical property most closely associated with ductile or brittle behavior.
The initial slope of the stress-strain curve, known as the initial modulus of the material, relates to how rapidly the substrate elongates when initial forces are applied.
Requêtes fréquentes français :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
Requêtes fréquentes anglais :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
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