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2 氟橡胶FX-17热空气老化-持久压缩试验lnP与τ1.01关系线性回归分析结果

Table 2 Linear regression analysis results of lnP and τ1.01 for fluoroelastomer FX-17 based on hot air aging-sustained compression test data

T / K Bi Ki / d-1 σ2 F r R test 513 0.7743 0.0581 0.0007 155.6 -0.9843 |r| ≥ r0.05 (5) = 0.754 493 0.8487 0.0335 0.0013 156.9 -0.9696 |r| ≥ r0.05 (10) = 0.576 473 0.7212 0.0089 0.0023 486.7 -0.9869 |r| ≥ r0.05 (13) = 0.514 453 0.8139 0.0045 0.0009 458.3 -0.9882 |r| ≥ r0.05 (11) = 0.553 433 0.8514 0.0021 0.0008 130.7 -0.9638 |r| ≥ r0.05 (10) = 0.576