Samar da Karfe Passivation da Kauri na Passivation Film

Passivation an ayyana a matsayin samuwar wani bakin ciki kariya Layer a saman wani karfe abu a karkashin oxidizing yanayi, samu ta karfi anodic polarization, don hana lalata.Wasu karafa ko gami suna haɓaka daɗaɗɗen hanawa mai sauƙi a yuwuwar kunnawa ko ƙarƙashin raunin anodic polarization, don haka rage ƙimar lalata.Bisa ga ma'anar passivation, wannan halin da ake ciki ba ya fada karkashin passivation.

Tsarin fim ɗin wucewa yana da bakin ciki sosai, tare da ma'aunin kauri daga nanometer 1 zuwa 10.Gano hydrogen a cikin fim na bakin ciki na wucewa yana nuna cewa fim ɗin wucewa na iya zama hydroxide ko hydrate.Iron (Fe) yana da wahala don samar da fim ɗin wucewa a ƙarƙashin yanayin lalata na yau da kullun;yana faruwa ne kawai a cikin mahalli mai yawan iskar oxygen da kuma ƙarƙashin polarization na anodic zuwa babban iko.Sabanin haka, chromium (Cr) na iya samar da ingantaccen, mai yawa, da fim ɗin wucewa mai karewa ko da a cikin mahalli mai sauƙi.A cikin alluran ƙarfe masu ɗauke da chromium, lokacin da abun ciki na chromium ya wuce 12%, ana kiran shi bakin karfe.Bakin karfe na iya kula da yanayin da ba a so a cikin mafi yawan mafita mai ruwa da ruwa mai ƙunshe da adadin iska.Nickel (Ni), idan aka kwatanta da baƙin ƙarfe, ba wai kawai yana da mafi kyawun kayan aikin injiniya ba (ciki har da ƙarfin zafin jiki) amma kuma yana nuna kyakkyawan juriya na lalata a cikin duka waɗanda ba oxidizing ba.

Samar da Karfe Passivation da Kauri na Passivation Film

Passivation an ayyana a matsayin samuwar wani bakin ciki kariya Layer a saman wani karfe abu a karkashin oxidizing yanayi, samu ta karfi anodic polarization, don hana lalata.Wasu karafa ko gami suna haɓaka daɗaɗɗen hanawa mai sauƙi a yuwuwar kunnawa ko ƙarƙashin raunin anodic polarization, don haka rage ƙimar lalata.Bisa ga ma'anar passivation, wannan halin da ake ciki ba ya fada karkashin passivation.

Tsarin fim ɗin wucewa yana da bakin ciki sosai, tare da ma'aunin kauri daga nanometer 1 zuwa 10.Gano hydrogen a cikin fim na bakin ciki na wucewa yana nuna cewa fim ɗin wucewa na iya zama hydroxide ko hydrate.Iron (Fe) yana da wahala don samar da fim ɗin wucewa a ƙarƙashin yanayin lalata na yau da kullun;yana faruwa ne kawai a cikin mahalli mai yawan iskar oxygen da kuma ƙarƙashin polarization na anodic zuwa babban iko.Sabanin haka, chromium (Cr) na iya samar da ingantaccen, mai yawa, da fim ɗin wucewa mai karewa ko da a cikin mahalli mai sauƙi.A cikin alluran ƙarfe masu ɗauke da chromium, lokacin da abun ciki na chromium ya wuce 12%, ana kiran shi bakin karfe.Bakin karfe na iya kula da yanayin da ba a so a cikin mafi yawan mafita mai ruwa da ruwa mai ƙunshe da adadin iska.Nickel (Ni), idan aka kwatanta da baƙin ƙarfe, ba wai kawai yana da ingantattun kayan aikin injiniya ba (ciki har da ƙarfin zafin jiki) amma kuma yana nuna kyakkyawan juriya na lalatawa a cikin yanayin da ba oxidizing da oxidizing ba.Lokacin da abun ciki na nickel a cikin baƙin ƙarfe ya wuce 8%, yana daidaita tsarin mai siffar cubic na austenite, yana ƙara haɓaka damar wucewa da haɓaka kariya ta lalata.Saboda haka, chromium da nickel sune mahimman abubuwan haɗakarwa a cikin ƙarfe.Lokacin da abun ciki na nickel a cikin baƙin ƙarfe ya wuce 8%, yana daidaita tsarin mai siffar cubic na austenite, yana ƙara haɓaka damar wucewa da haɓaka kariya ta lalata.Don haka, chromium da nickel sune mahimman abubuwan haɗin gwiwa a cikin ƙarfe.