Time-temperature-stress superposition principle of PMMA’s crazing damages under creep condition

Zhi-da Li; Hong-jun Liu; Rong-feng Zhang; Hui Yi

doi:10.1007/s11771-007-0273-z

Journal of Central South University ›› 2007, Vol. 14 ›› Issue (Suppl 1) :318 -323. DOI: 10.1007/s11771-007-0273-z

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Time-temperature-stress superposition principle of PMMA’s crazing damages under creep condition

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Abstract

The dependence on the temperature and stress level of PMMA’s crazing damage was researched through the real-time and on-line experiment of PMMA’s crazing damage at different temperatures and stress levels under creep condition. Based on the theory of time-temperature superposition principle, the WLF equation on time-temperature-stress of PMMA’s crazing damage was obtained. By dealing with the experiment data, we got the parameters of WLF equation.

Keywords

creep / WLF equation / time-temperature-stress superposition principle / crazing damage / real-time / on-line

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Zhi-da Li, Hong-jun Liu, Rong-feng Zhang, Hui Yi. Time-temperature-stress superposition principle of PMMA’s crazing damages under creep condition. Journal of Central South University, 2007, 14(Suppl 1): 318-323 DOI:10.1007/s11771-007-0273-z

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References

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[1]	YangT.-q., et al.Theory of Viscoelasticity and its Application[M], 2004, Beijing, Science Press

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