Official Answer
Answer
A cikin injunan injin turbin, girgizar mitoci masu tsayi suna sa zoben riƙon ya shafa akan bangon tsagi da abin da aka riƙe. Wannan 'fretting' yana lalata kayan, yana rage ingantaccen kauri $T$ na zobe da zurfin $d$ na tsagi. Yayin da waɗannan matakan ke raguwa, ƙarfin turawa yana raguwa gwargwadon $P_r \propto T$. tarkace daga fretting (karfe oxides) kuma yana aiki azaman abrasive, yana hanzarta aiwatarwa. Yawancin lokaci ana kama gazawa yayin sake gyarawa ta hanyar duba 'wasa axial' na taron. Rigakafin ya haɗa da yin amfani da suturar da ba ta da ƙarfi kamar platin azurfa ko amfani da kayan tare da taurin saman sama kamar 17-7PH.
