Yan Jin, Ming-shi Song, Gui-xian Hu, Da-ming Wu. Correlation of Cooperatively Localized Rearrangement on the “Fluidized Domain”of Polymers to Their Nonexponentially Viscoelastic Behavior and Lifetime at Double Aging Processes II: Estimation of Long-term Mechanical Behavior and Lifetime of Polymeric Mate[J]. Chinese Journal of Chemical Physics , 2010, 23(2): 185-194. doi: 10.1088/1674-0068/23/02/185-194
Citation: Yan Jin, Ming-shi Song, Gui-xian Hu, Da-ming Wu. Correlation of Cooperatively Localized Rearrangement on the “Fluidized Domain”of Polymers to Their Nonexponentially Viscoelastic Behavior and Lifetime at Double Aging Processes II: Estimation of Long-term Mechanical Behavior and Lifetime of Polymeric Mate[J]. Chinese Journal of Chemical Physics , 2010, 23(2): 185-194. doi: 10.1088/1674-0068/23/02/185-194

Correlation of Cooperatively Localized Rearrangement on the “Fluidized Domain”of Polymers to Their Nonexponentially Viscoelastic Behavior and Lifetime at Double Aging Processes II: Estimation of Long-term Mechanical Behavior and Lifetime of Polymeric Mate

doi: 10.1088/1674-0068/23/02/185-194
Funds:  This work was supported by the National Natural Science Foundation of China (No.50973007).
  • Received Date: 2009-06-24
  • Three kinds of polymeric materials are taken as example for the verification of linear ex-trapolation method from unified master lines with reduced universal equations on creep and stress relaxation tests. The theoretical values of long-term mechanical behavior and lifetime for a cured epoxide, polypropylene, poly(methyl-methacrylate), and SBR rubber are directly evaluated with the universal equations on reduced creep compliance and reduced stress relax-ation modulus and are compared with their predicted values by the linear extrapolation from the unified master lines of creep and stress relaxation. The results show that the theoretical values of dimensional stability, bearing ability and lifetime are in an excellent agreement with the predicted values, it shows that the linear extrapolation method is more simple and reliable. The dependences of long-term mechanical behaviors and lifetime on the different aging times are discussed.
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Correlation of Cooperatively Localized Rearrangement on the “Fluidized Domain”of Polymers to Their Nonexponentially Viscoelastic Behavior and Lifetime at Double Aging Processes II: Estimation of Long-term Mechanical Behavior and Lifetime of Polymeric Mate

doi: 10.1088/1674-0068/23/02/185-194
Funds:  This work was supported by the National Natural Science Foundation of China (No.50973007).

Abstract: Three kinds of polymeric materials are taken as example for the verification of linear ex-trapolation method from unified master lines with reduced universal equations on creep and stress relaxation tests. The theoretical values of long-term mechanical behavior and lifetime for a cured epoxide, polypropylene, poly(methyl-methacrylate), and SBR rubber are directly evaluated with the universal equations on reduced creep compliance and reduced stress relax-ation modulus and are compared with their predicted values by the linear extrapolation from the unified master lines of creep and stress relaxation. The results show that the theoretical values of dimensional stability, bearing ability and lifetime are in an excellent agreement with the predicted values, it shows that the linear extrapolation method is more simple and reliable. The dependences of long-term mechanical behaviors and lifetime on the different aging times are discussed.

Yan Jin, Ming-shi Song, Gui-xian Hu, Da-ming Wu. Correlation of Cooperatively Localized Rearrangement on the “Fluidized Domain”of Polymers to Their Nonexponentially Viscoelastic Behavior and Lifetime at Double Aging Processes II: Estimation of Long-term Mechanical Behavior and Lifetime of Polymeric Mate[J]. Chinese Journal of Chemical Physics , 2010, 23(2): 185-194. doi: 10.1088/1674-0068/23/02/185-194
Citation: Yan Jin, Ming-shi Song, Gui-xian Hu, Da-ming Wu. Correlation of Cooperatively Localized Rearrangement on the “Fluidized Domain”of Polymers to Their Nonexponentially Viscoelastic Behavior and Lifetime at Double Aging Processes II: Estimation of Long-term Mechanical Behavior and Lifetime of Polymeric Mate[J]. Chinese Journal of Chemical Physics , 2010, 23(2): 185-194. doi: 10.1088/1674-0068/23/02/185-194

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