Yin, Deshun; Meng, Ruifan; Duan, Xiaomeng; Li, Yanqing - In: Physica A: Statistical Mechanics and its Applications 404 (2014) C, pp. 1-7
In tension and compression of polymers, some abnormal phenomena of volume changes were often observed and its mechanism is still unclear. In this paper, based on the thermodynamics principle, it is shown that the combined effects of internal energy and entropy are the basic reason of causing the...