Corrous shine hallaka ko lalacewar kayan ko kayan su ta hanyar muhalli. Yawancin lalata suna faruwa ne a cikin yanayin atmospheric, wanda ke da abubuwan da basu dace ba da kuma abubuwan lalata, gumi, canje-canje zazzabi da zubu.
Cycros lalata shine gama gari kuma mafi yawan atmospherionic lalata. Czorlic lalata lalata lalata a saman kayan ƙarfe ya faru ne saboda oust ɗin ƙarfe mai ƙarewa da kuma ambaton ƙarfe na ciki da aka haifar. A lokaci guda, ions Chlorine ions suna dauke da wasu makamashi na hydration, mai sauƙin zama a cikin pores na ƙarfe, fasa insolu othery a cikin consten chlawges, saboda passolible na farfajiya a cikin farfajiya.
Gwajin lalata Cycrion wani nau'in gwajin muhalli yake musamman don amfani da kayan aikin gwajin lalata na cycrosion don ƙirƙirar ɗakunan motsa jiki na yanayin lalata yanayin yanayin lalata kayan lalata na cycros. An raba shi zuwa rukuni biyu, ɗaya don gwajin bayyanar yanayin yanayin halitta, ɗayan don haɓakar kayan maye na gwajin cututtukan yanayin cycrosion.
Wucin gadi kwaikwayon kwaikwayon lalata yanayin muhalli shine amfani da wani girma na kayan aikin sararin samaniya - adadi na lalacewar kayan aiki na Cycrofion, wanda ya haifar da ingancin yanayin lalata kayan juriya na Cycrosion.
An kwatanta shi da yanayin halitta, taro gishiri na chloride na yanayin lalata yanayin yanayin lalacewar yanayin cycros, don samun sau da yawa. Kamar a cikin yanayin bayyanar samfurin samfurin don gwajin samfurin samfurin, don zama lalata a shekara 1, yayin da a cikin wucin gadi na lalata cututtukan yanayin cycros, muddin sa'o'i 24, zaku iya samun irin wannan sakamako.
Lokar dakin gwaje-gwaje na dakin gwaje-gwaje na lalata na cycroson za'a iya raba kashi hudu
(1)Tsaka tsaki da gwajin lalatashine hanyar gwajin lalata lalata lalata da ta bayyana farkon kuma a halin yanzu ana amfani da shi. Yana amfani da 5% sodium chloride sodium chloride sodia gishiri, mafita ph ya daidaita a tsaka tsaki (6.5 ~ 7.2) a matsayin bayani don spraying. Zazzage zafin jiki 35 ℃, yawan sasantawa na bukatun lalata cycros a cikin 1 ~ eml / 80cm / h.
(2)Acetic acid castcroon gwajin lalata (ass gwaji)an inganta ta kan tushen tsaka tsaki gwajin lalata. Yana da ƙara wasu acid na alaku acium a cikin 5% sodium chloride bayani yana raguwa zuwa gazarar cycrosion zuwa acidic. Matsakaicin jikinta kusan sau 3 sauri fiye da gwajin nss.
(3)Jan karfe na tagulla yana iya ɗaukar gwajin lalata lalata ƙwayar cutaShin sabon abu ne mai tasowa na hauhawar hanci na ƙasashen waje, yawan zafin gwajin na 50 ℃, maganin gishiri tare da karamin adadin gishiri na gishiri - na tagulla, ƙarfi yana haifar da lalata. Matsakaicin jikinta shine kusan sau 8 ne na gwajin nss.
(4)Canjin gwajin lalata na CycrosBabban gwajin lalata na Cycros ne, wanda shine ainihin tsaka tsaki da zafi mai zafi da kuma gwajin zafi. Ana amfani da shi akasarin amfani da samfuran-nau'in samfuran duka, ta hanyar shigar azzakari cikin yanayin yanayin, saboda ba kawai ana haifar da czros lalata a saman samfurin, amma kuma a cikin samfurin. Samfuri ne a cikin lalata na cyclor da gumi yanayin muhalli guda biyu a bayyane, kuma a ƙarshe muka tantance kaddarorin lantarki na duka samfurin tare da ko ba tare da canje-canje ba.
Sakamakon gwajin lalacewa na gwajin cycrosion an ba shi a cikin cancanta a maimakon ƙima. Akwai takamaiman hanyoyin hukunci guda hudu.
①Hanyar ƙimar shari'aYankin lalata ne da kuma jimlar yanki na rabo daga cikin kashi bisa ga wani hanyar rarrabuwa zuwa ga tushen yanke hukunci, ya dace da samfuran lebur don kimantawa.
②yin la'akari da hanyar shari'ata hanyar nauyin samfurin kafin da bayan gwajin lalata, ƙididdige nauyin asarar lalata juriya, yana dacewa musamman ga kimantawa na ƙimar ƙwayar cuta.
③hanyar lalata lalataHanyar ce ta cancanta, jarabawar lalata ta cycros ne, ko samfurin yana samar da lalata lalata lalata don tantance samfurin, ƙa'idodin samfuran na gaba ɗaya ana amfani dasu a wannan hanyar.
④Hanyar Bincike na Motsi na CorrosionYana ba da ƙirar gwaje-gwaje na lalata.
Gwajin lalata na Cycros na Bakin Karfe
An ƙirƙiri gwajin lalata na Cycros a farkon karni na ashirin, gwajin da ya fi dacewa ", gwajin lalata na lalata abubuwa masu yawan gaske, sun zama" gwajin '' na duniya ". Manyan dalilan sune kamar haka: ① Ajiye Lokaci; Low farashi; ③ na iya gwada kayan da yawa; Sakamakon yana da sauki kuma a bayyane, mai dacewa ga sasanta sabani na kasuwanci.
A aikace, gwajin lalata lalata ƙarfe shine sanannun sananniyar - sa'o'i nawa ne gwajin lalata kayan duniya? Dole ne a baƙon da baƙon abu ba ga wannan tambayar.
Abubuwan da aka yi amfani dasu yawanci amfanigabatarwalura koInganta matakin polishation, da sauransu, don inganta lokacin gwajin Cycros na gwajin ƙarfe na bakin karfe. Koyaya, mafi mahimmancin mahimmancin abu shine abun da ke ciki na bakin karfe da kanta, watau abun ciki na Chromium, Molybdenum da nickel.
A mafi girman abubuwan da ke cikin abubuwan guda biyu, chromium da molybdenum, da karfi da lalata lalata da ake buƙata don tsayayya da rami da ganyayyaki gunduma fara bayyana. An bayyana wannan juriya na lalata a cikin sharuddan abin da ake kiraPaƙewa jure daidai(Pre) darajar: pre =% CR + 3.3 x% mo.
Kodayake nickel ba ya ƙara juriya na karfe don haɗawa da lalata lalata, zai iya rage yawan rage girman lalata sakamakon lalata lalata bayan aikin lalata lalata. Nickel-dauke da Austenitic bakin ciki Saboda haka tend tend tend Cerrosing mafi ƙarancin ƙwayar cuta da yawa tare da irin juriya don potting daidaito
Trivia: Don daidaitaccen 304, tsaka tsaki tsakaitacciyar cycrosion gaba ɗaya tsakanin 48 da 72 hours; Don Standard 316, tsaka tsaki na tsakaitaccen cycrosion gaba ɗaya tsakanin 72 da 120 hours.
Ya kamata a lura cewadaLalatattun lalacewar mahaifaGwajin yana da manyan abubuwan hutu yayin gwaji da kaddarorin karfe.Abubuwan da ke tattare da abubuwan lalata na cycrish a cikin gwajin lalata lalata yana da matuƙar girma, don bakin karfe wanda zai iya lalata lalata yanayin da ke cikin gwajin lalata lalata.
Gwajin lalata Cycrion yana canza halayen lalata ƙarfe na bakin ƙarfe, ba za a iya ba za a iya ɗaukarta azaman gwajin ko gwajin sukar ko gwajin sukar ba. Sakamakon da ke da-gefe kuma basu da dangantaka mai daidai da ainihin aikin ƙarfe na bakin karfe wanda aka fara amfani dashi.
Don haka za mu iya amfani da gwajin lalata na cyclic don kwatanta juriya na lalata daban-daban na bakin karfe daban-daban, amma wannan gwajin shine kawai don rage kayan. Lokacin da zaɓar bakin karfe kayan musamman, gwajin lalata lalata, saboda ba mu da isasshen fahimtar hanyar haɗi tsakanin yanayin gwaji da ainihin yanayin aikace-aikace.
Saboda wannan dalili, ba zai yiwu ba a kimanta rayuwar sabis na samfurin dangane da gwajin lalata na cycros na samfurin bakin karfe.
Bugu da kari, ba zai yiwu a yi kwatancen tsakanin nau'ikan karfe daban-daban ba, alal misali, za mu iya kwatanta hanyoyin carbon biyu da aka yi amfani da shi sosai, saboda ingantaccen samfurin zai fara amfani dashi ba ɗaya bane.
Lokaci: Nuwamba-06-2023