典型氟橡胶密封材料热空气老化试验研究

刘明, 张连栋, 孙志华, 高蒙, 闫巍, 赵明亮

Assessment on Performance Decay Induced by Hot Air Aging for Typical Fluoroelastomer Sealing Materials

LIU Ming, ZHANG Liandong, SUN Zhihua, GAO Meng, YAN Wei, ZHAO Mingliang

表1 氟橡胶材料热空气老化-持久压缩试验老化性能指标数据

Table 1 Obtained aging performance index data of fluoroelastomer FX-17 by hot air aging-sustained compression tests

Aging time τ / d 433 K 453 K 473 K 493 K 513 K 1 0.9090 0.8849 0.8524 0.8206 - 3 0.8564 0.8212 0.7056 0.7442 0.6727 5 0.8331 0.7917 0.7082 - - 7 0.8119 0.7924 0.7261 0.6729 0.5362 10 - - - - 0.4345 14 0.8186 0.7834 0.6347 0.5924 0.3526 17 - - - - 0.2959 21 0.8078 0.7302 0.6158 0.4191 0.2420 28 0.8059 0.6965 0.5482 0.3647 0.1066 35 0.7948 0.6729 0.5618 0.2956 - 42 - - 0.5027 0.2482 - 49 0.7710 0.6464 0.3970 0.1490 - 56 - - 0.4263 0.1296 - 63 - 0.6149 0.3824 0.1086 - 77 0.7435 0.5868 0.3523 0.0250 - 91 - - 0.2760 - - 105 0.6689 0.4821 0.2549 - - 133 0.5842 0.3869 - - -