A kasidar da ta gabata mun mayar da hankali ne kan daya daga cikin hanyoyi guda biyu daban-daban na warkar da kai a cikin karfin fina-finai na karfe: sallamar kai, wanda kuma aka sani da high-voltage self-healing.A cikin wannan labarin za mu dubi wani nau'in warkar da kai, electrochemical kai-healing, wanda aka fi sani da low-voltage kai-healing.

Electrochemical Self-Healing

Irin wannan warkar da kai sau da yawa yana faruwa a cikin masu ƙarfin fim na aluminum da aka yi da ƙarfe a ƙananan ƙarfin lantarki.Hanyar wannan warkar da kai shine kamar haka: idan akwai lahani a cikin fim ɗin dielectric na capacitor na fim ɗin ƙarfe, bayan an ƙara ƙarfin lantarki a cikin capacitor (ko da ƙarfin lantarki ya yi ƙasa sosai), za a sami babban ɗigo. halin yanzu ta hanyar lahani, wanda aka bayyana a matsayin juriya na insulation na capacitor ya fi ƙasa da ƙimar da aka ƙayyade a cikin yanayin fasaha.Babu shakka, akwai igiyoyin ionic da yuwuwar igiyoyin lantarki a cikin halin yanzu.Saboda kowane nau'in fina-finai na halitta suna da ƙimar sha ruwa (0.01% zuwa 0.4%) kuma saboda capacitors na iya zama ƙarƙashin danshi yayin kera su, adanawa da amfani da su, wani muhimmin ɓangaren ionic na yanzu zai zama O2- da H-ion. magudanar ruwa da ke haifar da ruwa da ake amfani da su ta hanyar lantarki.Bayan O2-ion ya kai ga AL metalised anode, yana haɗuwa tare da AL don samar da AL2O3, wanda a hankali ya samar da wani Layer na rufi na AL2O3 a kan lokaci don rufewa da ware lahani, don haka yana ƙara juriya na insulation na capacitor da samun warkar da kai.

A bayyane yake cewa ana buƙatar wani adadin kuzari don kammala aikin warkar da kansa na ma'aunin fim ɗin halitta mai ƙarfe.Akwai hanyoyi guda biyu na makamashi, ɗayan yana daga wutar lantarki kuma ɗayan yana daga oxidation da nitriding exothermic reaction na karfe a cikin sashin lahani, makamashin da ake buƙata don warkar da kai ana kiransa makamashi mai warkarwa.

 
Warkar da kai shine mafi mahimmancin fasalin da aka yi da ƙarfe na fim kuma amfanin da yake kawowa shine babba.Duk da haka, akwai wasu rashin amfani, kamar raguwa a hankali a cikin ƙarfin capacitor da ake amfani da shi.Idan ƙarfin yana aiki tare da warkarwa mai yawa, zai haifar da raguwa mai yawa a cikin ƙarfinsa da juriya na kariya, haɓaka mai girma a cikin kusurwar hasara da kuma saurin gazawar capacitor.

Idan kuna da hangen nesa game da wasu nau'ikan abubuwan warkar da kai na masu ƙarfin fim ɗin ƙarfe, da fatan za a tattauna su da mu.