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For this particular study, since low bulk density and low hysteresis loss are the two most important targets, trial #8 in DOE 2 were selected as the optimal condition, which produced parts with the lowest bulk density (0.
Compared to a reference compound with N 220, the black and white filler blend results in a significantly reduced hysteresis loss (tan [delta], ball-rebound, heat build-up), while maintaining the high moduli and good DIN abrasion resistance (table 3).
As for the tread, special carbon blacks and silicas can be used to reduce the hysteresis loss of the different tire parts.
Table 5 demonstrates the possible redaction of hysteresis loss in a carcass formulation with EB 204.
Hysteresis loss and hysteresis loss ratio of all the samples were measured over a number of cycles, strain rates, and strain levels to investigate their behavior.
Logarithmic and Semi-Logarithmic Plots of Hysteresis loss and Hysteresis Loss Ratio Data
Our study in this section examines how the variations of strain rates, strain at constant stress and stress at constant strain influence the hysteresis loss behavior of natural rubber (NR) and styrene-butadiene rubber (SBR) gum and filled vulcanizates over a range of holding times [ILLUSTRATION FOR FIGURE 2 OMITTED].
Substituting Equation 31 into Equation 35 with a simplifying assumption (m = 1, n = 1) of nonlinear function of stress-strain rate and extension or retraction time, we find that the hysteresis loss for a complete cycle is
High strain hysteresis loss is defined as the energy dissipated in stretching, when the specimens were deformed to strain level greater than 100%.
The calculation of the hysteresis loss using Equation 36 would involve the measurement of [K.
We measured ice skid number and PTFE skid number of BPST to analyze each factors of effective contact area and hysteresis loss affecting the friction of a rubber compound on ice.
2] solution, ice skid number of BPST is proposed for the equations by complex modulus of the rubber compound and the thickness of liquid like layer on ice for the factors of effective contact area, and loss modulus of it for the factor of hysteresis loss.