Official Answer
Answer
Rashin lalata yana faruwa a wuraren hulɗa tsakanin kololuwar igiyoyin igiyar ruwa da saman mating, ko tsakanin jujjuyawar bazara, saboda ƙananan oscillations (yawanci $< 100 \ mu m$ amplitude). Wannan yana kawar da Layer oxide mai kariya na bakin karfe, yana haifar da rami da samuwar tarkace. A cikin maɓuɓɓugar ruwa na 17-7PH, wannan na iya haifar da fashewar gajiyawa a cikin ramuka. Dabarun rigakafin sun haɗa da: 1) Ƙara kayan aiki don rage motsin dangi; 2) Aiwatar da lubricants mai ƙarfi na fim (kamar $ MoS_2$ ko PTFE) don rage ƙimar gogayya; da 3) Jiyya masu taurin kai kamar nitriding, kodayake wannan dole ne a daidaita shi da yuwuwar raguwa a cikin ductility gajiya.
