nominal stress

nominal stress

[′näm·ə·nəl ′stres]
(metallurgy)
The stress calculated by simple elasticity theory, ignoring stress raisers and plastic flow; in tensile testing of a notched specimen, the load applied at the notch divided by the initial cross-sectional area at the notch.
References in periodicals archive ?
The macroscopic view confirms low nominal stress under reversed bending as primary source of failure and not due to rotating-bending fatigue (mostly occurs) as crack initiated at only one point on surface A.
Results of fatigue tests were evaluated statistically to calculate the slope of the S-N curves k, scatter with Ts and the nominal stress amplitude after 5*[10.
Figure 5(a) to Figure 5(c) display the nominal stress versus nominal strain curves of separators along different orientations at 0.
The idea is to pre-compress an elastomeric sample and insert it into an oven, then monitor the decay in its reaction to compression with time and temperature; nominal stress is calculated by dividing the recorded reaction by the nominal cross-section of test washer or button.
Based on the principle of equivalent stress, Lemaitre and Chaboche proposed damaged material constitutive equation, the nominal stress tensor and effective stress tensor [sigma].
nom] is the nominal stress calculated by equation [[sigma].
A theoretical, or geometrical, stress concentration factor Kt or Kts is used to relate the actual maximum stress at the discontinuity to the nominal stress.
The regression equations of S-N curves (applied nominal stress vs.
Global features such as nominal stress, excess compliance, and fastener load are connected with local conditions that affect fatigue and fretting, including contact pressures, interface slips, residual stresses, and the intensity and location of the stress concentrations.