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BRITTLE-DUCTILE TRANSITION OF POLYME

时间:2021-12-08 17:02:40 航空航天论文 我要投稿

BRITTLE-DUCTILE TRANSITION OF POLYMERS AND ITS PERCOLATION MODEL

The brittle-ductile transition (BDT) of particle toughened polymers was extensively studied in terms of morphology, strain rate, and temperature. The calculation results showed that both the critical interparticle distance (IDc) and the brittle-ductile transition temperature (TBD) of polymers were a function of strain rate. The IDc reduced nonlinearly with increasing strain rate, whereas TBD increased considerably with increasing strain rate. The effects of temperature and plasticizer concentration on BDT were discussed using a percolation model. The results were in agreement with the experiments.

作 者: Wei Jiang Li-jia An Bing-zheng Jiang   作者单位: State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China  刊 名: 高分子科学(英文版)  ISTIC SCI 英文刊名: CHINESE JOURNAL OF POLYMER SCIENCE  年,卷(期): 2003 21(2)  分类号:   关键词: Particle toughening polymers   Brittle-ductile transition   Percolation