Accelerated aging test of rubbers

What is it about?

The aging process of rubber materials can be accelerated by applying the elevated temperature and high level of stress/strain. This work proposed a time-temperature-strain superposition principle (TTSSP) to predict the long-term aging behavior of rubbers using short-term data.

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Why is it important?

The long-term aging performance of rubbers is important for safety assessments in engineering applications. However the design life of rubbers could be as long as several years and it is impractical and uneconomic to perform aging tests for such a long time. Using the proposed method, time and cost can be dramatically saved for the assessment of the long-term aging performance of rubber materials.