Physical and chemical aging in PMMA and their effects on creep and creep rupture behavior

John M. Crissman; Gregory B. McKenna

doi:10.1002/polb.1990.090280904

Physical and chemical aging in PMMA and their effects on creep and creep rupture behavior

John M. Crissman, Gregory B. McKenna

Chemical Engineering

Research output: Contribution to journal › Article › peer-review

52 Scopus citations

Abstract

Samples of PMMA were aged at 80°C for between 1 h and 254 days and tested in creep in uniaxial extension at large stresses and at room temperature. Both chemical and physical aging effects were found to be important in determining the failure behavior of the samples. This behavior was found to be describable within the context of a commonly used failure criterion that the time to failure multiplied by the strain rate at failure is constant. The creep behavior was found to follow classical time–aging time and time–stress correspondence principles.

Original language	English
Pages (from-to)	1463-1473
Number of pages	11
Journal	Journal of Polymer Science Part B: Polymer Physics
Volume	28
Issue number	9
DOIs	https://doi.org/10.1002/polb.1990.090280904
State	Published - Aug 1990

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10.1002/polb.1990.090280904

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abstract = "Samples of PMMA were aged at 80°C for between 1 h and 254 days and tested in creep in uniaxial extension at large stresses and at room temperature. Both chemical and physical aging effects were found to be important in determining the failure behavior of the samples. This behavior was found to be describable within the context of a commonly used failure criterion that the time to failure multiplied by the strain rate at failure is constant. The creep behavior was found to follow classical time–aging time and time–stress correspondence principles.",

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year = "1990",

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AB - Samples of PMMA were aged at 80°C for between 1 h and 254 days and tested in creep in uniaxial extension at large stresses and at room temperature. Both chemical and physical aging effects were found to be important in determining the failure behavior of the samples. This behavior was found to be describable within the context of a commonly used failure criterion that the time to failure multiplied by the strain rate at failure is constant. The creep behavior was found to follow classical time–aging time and time–stress correspondence principles.

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AN - SCOPUS:0025476461

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JF - Journal of Polymer Science Part B: Polymer Physics

IS - 9

ER -

Physical and chemical aging in PMMA and their effects on creep and creep rupture behavior

Abstract

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