Although the use of behavioral testing, creep testing conditions as close to real conditions. But still have limitations in terms of the time spent on testing with real life. Because they can not wait for the test as long as several decades. We have to find a solution to this problem is to varying temperatures experiments and to create a master curve by using time-temperature superposition. The curve of the modulus is dependent on time, not by changing the shape of the temperature, but will appear in the next major curve to the left and to the right as defined by the reference temperature.
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