Uniaxial fatigue behavior of thermal-aged cerium oxide-modified vulcanized natural rubber

被引：0
|
作者：
Qiao, Yu [1 ]
Ji, Chongrui [1 ]
Wang, Yanping [1 ]
Duan, Wuwei [1 ]
Pan, Zheng [1 ]
Song, Chengkai [1 ]
Liu, Yuanwen [1 ]
机构：
[1] Inner Mongolia Univ Technol, Sch Chem Engn, Hohhot 010051, Peoples R China
来源：
JOURNAL OF RUBBER RESEARCH | 2021年 / 24卷 / 05期
基金：
中国国家自然科学基金;
关键词：
Rubber; Thermal aging; Cerium oxide; Uniaxial fatigue; Cross-link density; LIFE PREDICTION; MULTIAXIAL FATIGUE; MECHANICAL-PROPERTIES; RATCHETING BEHAVIOR; SULFUR; MODEL; NR; REINFORCEMENT; ELASTOMERS; RESISTANCE;
D O I：
10.1007/s42464-021-00131-6
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
The present work investigated the cyclic deformation behavior and fatigue life of thermal-aged cerium oxide (CeO2)-modified vulcanized natural rubber (NR/CeO2). Thermal aging was carried out at the temperature ranging from 60 to 100 degrees C for 24 h and 72 h, respectively. The experimental results show that the CeO2 filler is a useful reinforcing role, which can improve the comprehensive mechanical properties of the heat-aged vulcanizates. The uniaxial fatigue properties of thermal-aged NR/CeO2 rubber were studied at the strain amplitudes of 0-125%, 0-150% and 0-175%, respectively. The axial stress amplitude of NR/CeO2 is higher than that of NR. The CeO2 filler can significantly improve the fatigue strength of rubbers. When the aging temperature is lower than 80 degrees C, the fatigue life of NR/CeO2 is longer than that of NR at the axial strains of 0-125% and 0-150%.
引用
收藏
页码：745 / 757
页数：13
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