When using the DSR (Dynamic Shear Rheometer) to determine the mixing and compaction temperature according to the phase angle method that referred to NCHRP 648, and taking Bohlin Software as analytical tool. However, these relevant testing parameters were set as the attached photo, anyone have suggestions for similar setting condition to perform it, and something details what should I take care of it?
As the phase angle method procedure was mentioned, when the master curve graph was produced from the result of G* and δ with frequency sweeping, when the phase angle meets 86 degree with master curve, it can determine the specified angular frequency, as well as determining the mixing and compaction temperature by the specified formula, as you know the result is just single temperature point, it can't display a range, for instance, the mixing temperature is 163℃ that determine from the phase angle method, it didn't display a temperature range 158~163℃ that equiviscous method, anyone knows that how to apply in practice for mixing design?
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