Srivastava, Prashant Kumar and Venkatraman, Kartik (2013) Structure, molecular dynamics, and stress in a linear polymer. In: Mechanics of Materials, 61 . pp. 49-59.
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We present a study correlating uniaxial stress in a polymer with its underlying structure when it is strained. The uniaxial stress is significantly influenced by the mean-square bond length and mean bond angle. In contrast, the size and shape of the polymer, typically represented by the end-to-end length, mass ratio, and radius of gyration, contribute negligibly. Among externally set control variables, density and polymer chain length play a critical role in influencing the anisotropic uniaxial stress. Short chain polymers more or less behave like rigid molecules. Temperature and rate of loading, in the range considered, have a very mild effect on the uniaxial stress.
|Item Type:||Journal Article|
|Additional Information:||Copyright of this article belongs to Elsevier Science.|
|Keywords:||Polymer; Micro-Structure; Anisotropic Uniaxial Stress; Dynamic Strain; Molecular Dynamics|
|Department/Centre:||Division of Mechanical Sciences > Aerospace Engineering (Formerly, Aeronautical Engineering)|
|Date Deposited:||21 Jun 2013 05:00|
|Last Modified:||21 Jun 2013 05:00|
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