| 摘要 |
<p>A sliding member used as a sealing ring for a rotary shaft made of a lightweight aluminum alloy in an automatic transmission instead of a conventional cast iron sealing ring in order to prevent leakage of oil and reduce abrasion of the shaft consists of a PEEK resin composition which includes, as binder, 15 DIFFERENCE 20 percent by weight of amorphous alumina powder having an average particle diameter of 5 mu or less, 3 DIFFERENCE 8 percent by weight of graphite powder having an average particle diameter of 5 mu or less and 6 DIFFERENCE 9 percent by weight of carbon powder having an average particle diameter of 30 mu or less.</p> |
