A stress relaxation model for the viscoelastic solids based on the steady-state creep equation
β Scribed by Xianzhong Xu; Jinping Hou
- Publisher
- Springer Netherlands
- Year
- 2010
- Tongue
- English
- Weight
- 603 KB
- Volume
- 15
- Category
- Article
- ISSN
- 1385-2000
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an activation energy for creep that is the same as that for vacancy self-diffusion. Activation energy values corresponding to those for vacancy selfdiffusion are indeed observed for the creep of pure metaM2\* 7-121 and for single phase alIoys.(is\* 14) However, activation energies much higher than
Viscoelastic behavior at elevated temperatures of high-density polyethylene and isotactic polypropylene was investigated by using the stress relaxation method. The results are interpreted from the view of an established two-process model for stress relaxation in semicrystalline polymers. This model