Bakin karfe abu ne mai ban mamaki wanda ke taka muhimmiyar rawa a masana'antu daban-daban, godiya ga halayensa na musamman da aikin da bai dace ba.Amma ko kun san cewa akwai boyayyar sirri don kiyaye aikinsa da tsawon rayuwarsa?Wannan sirrin ya ta'allaka ne a cikin wani tsari da aka sani da passivation.

Gabatarwa zuwa Bakin Karfe

Fahimtar ikon wucewa yana farawa tare da godiya da mahimmancin bakin karfe kanta.Bakin karfe ba abu ne kawai mai sauƙi ba;

wani gami ne da aka yi daga baƙin ƙarfe, carbon, da karimcin chromium.

Me Ya Sa Bakin Karfe Na Musamman

Babban mai kunnawa a cikin labarin bakin karfe shine chromium.Lokacin da aka fallasa shi zuwa iskar oxygen, chromium ya zama siriri, Layer na chromium marar ganuwa

oxide a saman karfen.Wannan Layer ba shi da ma'ana, ma'ana baya mayar da martani da wani abu.

1. Fahimtar Juriyar Lalacewa

Chromium oxide shine mala'ika mai kula da bakin karfe.Yana hana tsatsa da lalata, waɗanda ke zama tartsatsi na galibin sauran karafa.

Wannan juriya na lalata yana ba da bakin karfe sunansa da kuma yadda ake amfani da shi.

2. Matsayin Passivation A Bakin Karfe

Yanzu, bari mu nutse cikin babban batu - passivation.Passivation wani tsari ne na sinadarai wanda ke haɓaka Layer chromium oxide da ke faruwa a zahiri.

Wannan yana sa ƙarfe ya fi tsayayya da tsatsa da lalata.

3. Ilimin Kimiyya Bayan Passivation

Lokacin wucewa, ana kula da bakin karfe tare da maganin acid mai laushi.Wannan yana cire baƙin ƙarfe kyauta da sauran gurɓatattun abubuwa daga saman.

wanda zai iya rushe samuwar Layer chromium oxide.

Kuna so ku san dalilin da yasa bakin karfe ke buƙatar wucewa?

Da farko, muna bukatar mu san abin da ma'anar passivation-bakin karfe? The passivation na bakin karfe yana nufin sa saman bakin karfe amsa tare da passivation wakili don samar da barga passivation fim wanda kare bakin karfe substrate daga tsatsa. lalacewa ta hanyar oxidation da lalata.Ayyukan juriya na tsatsa na bakin karfe yana da kyau.Duk da haka, a yankunan bakin teku ko a hulɗa da wasu sinadarai na acid da alkali, ions chloride da aka samar zai iya shiga cikin sauƙi na fim din bakin karfe.Bakin karfe zai lalace a hankali da tsatsa na tsawon lokaci.Don haka, bakin karfe yana buƙatar wucewa.Wuce bakin karfe iya inganta asali anti-tsatsa tushe da shekaru 3-8, ƙwarai rage damar bakin karfe tsatsa.

HENGKO bakin karfe sintered tace kashi yana da madaidaicin girman ramin iska, girman ramin tacewa da kuma rarraba iri;kyakkyawan iska mai kyau, saurin wurare dabam dabam, sakamako mai kyau na tsaka-tsakin, ingantaccen tacewa;juriya mai kyau na lalata, juriya mai zafi, juriya mai zafi, kayan ƙarfe na ƙarfe na iya zama 600 Aiki a babban zafin jiki;Tsawon bututu mai kyau zai iya kaiwa 800mm, matsakaicin girman tsarin farantin tacewa zai iya kaiwa tsayin 800mm * 450mm fadi, kuma matsakaicin diamita na tsarin tacewa zagaye zai iya kaiwa 450mm.Mun kuma samar da passivation na samfurin sassa, Idan kana bukatar ka nema zuwa ga stricter lalata juriya da tsatsa juriya yanayi.

Amfanin Passivation

Akwai fa'idodi da yawa ga bakin karfe mai wucewa, duk wanda ke ba da gudummawa ga haɓaka aikin sa da tsawon rai.

Yadda za a yi da passivation-bakin karfe?Mu gaya muku.

Saboda nau'ikan bakin karfe daban-daban suna amfani da haɗuwa daban-daban na sinadarai na wucewa, wasu cikakkun bayanai za su bambanta yayin aikin wucewar bakin karfe.Passivation yana buƙatar al'ada.Koyaya, tsari na asali sau da yawa yana da matakai iri ɗaya: Tabbatar cewa saman ɓangaren yana da tsabta.Sai kawai lokacin da substrate ya fallasa zai iya zama mafi kyawun wucewa.Sanya sassa ɗaya ko da yawa da za a wuce cikin akwati.Zuba ruwan sinadari a cikin akwati kuma bari sassan su jiƙa na ɗan lokaci.A wanke da ruwan gudu.Tabbatar cewa an goge saman ɓangaren kuma ba tare da ragowar ruwa mai wucewa ba.

Nitric acid passivationdaya ne daga cikin fasahar wucewa ta yau da kullun.Kafin zabar fasahar wucewa, muna buƙatar sanin maganin sinadarai da ake buƙata don ƙaddamar da amsawar bakin karfe don guje wa yin amfani da maganin da ba daidai ba don haifar da lalacewa ga sassa.Kuma a lokaci guda zabar fasahar wucewa mai alaƙa bisa ga halayen bakin karfe daban-daban.Misali, abun ciki na chromium na bakin karfe austenitic (kamar 304 bakin karfe) sau da yawa ya fi na bakin karfe na martensitic (kamar 430 bakin karfe), yana yin alluran austenitic mafi juriya ga lalata da rami.

Kafin wucewar sassa na bakin karfe, ya kamata a yi la'akari da waɗannan abubuwan:

Weldments bazai dace da wuce gona da iri ba.Fim ɗin da ba a so a saman bakin karfe yana sa shi juriya na lalata.Waldawar Arc zai ƙaddamar da kayan zuwa ɗan gajeren lokaci na hawan keke mai zafi mai zafi, ta haka zai lalata juriyar lalatarsa.

Ana buƙatar wankan sinadarai na al'ada.Dole ne a daidaita zafin jiki da nau'in acid ɗin da aka yi amfani da shi a cikin tsarin wucewa bisa ga gami da ake wucewa.Wannan yana ƙara farashi da rikitarwa idan aka kwatanta da electropolishing.Wasu gami ba za a iya wucewa ba.Misali, za a lalatar da wasu galolin bakin karfe masu ƙarancin chromium da abun ciki na nickel.Don haka, ba za a iya ƙyale su ba.

Babban amfani da bakin karfe passivation shi ne cewa zai iya inganta tsatsa juriya na bakin karfe sassa, da kuma kudin ne m fiye da na electropolishing.Babban hasara na tsarin lantarki shine cewa ya fi tsada fiye da daidaitattun tsarin wucewa.Bugu da kari, electropolishing ba shi da wani gagarumin tasiri a kan kariya oxide Layer na karfe kamar passivation.

Duk da haka, lokacin da ake magana game da yanayin yanayin sassa a cikin babban la'akari, electropolishing har yanzu shine mafi kyawun magani.Passivation ba kamar electropolishing don sanya saman sashin ya zama santsi ba, kuma baya canza kamannin sashin sosai.Sabili da haka, wucewa ba hanya ce mai kyau ba idan samfurin yana buƙatar ƙasa mai santsi da mara ƙarfi.Masana'antu na abinci da magunguna sun saba amfani da filayen bakin karfe masu gogewa na lantarki saboda saman yana da santsi kuma mai sauƙin tsaftacewa da kashewa.

FAQs

1. Menene passivation?

Passivation wani tsari ne na sinadarai wanda ke haɓaka Layer chromium oxide da ke faruwa a zahiri

a kan bakin karfe, don haka yana ƙaruwa da juriya ga tsatsa da lalata.

2. Ta yaya passivation aiki?

Lokacin wucewa, ana kula da bakin karfe tare da maganin acid mai laushi don cirewa

gurɓataccen ƙasa.Ana wanke shi kuma a bushe, kuma chromium yana amsawa da iska don samar da sabon Layer chromium oxide mai ƙarfi.

3. Me yasa passivation yana da mahimmanci ga bakin karfe?

Passivation yana da mahimmanci ga bakin karfe yayin da yake ƙara ƙarfin juriya na kayan, yana tsawaita rayuwar sa,

kuma yana kula da kyawunta.

4. Sau nawa ya kamata bakin karfe ya wuce?

Yawan wucewa ya dogara da yanayin aiki na abin bakin karfe.A cikin karin lalata

wurare ko inda ake yawan sarrafa abun, ƙarin wucewa na yau da kullun na iya zama dole.

5. Shin passivation yana shafar bayyanar bakin karfe?

Ee, passivation yana taimakawa wajen kula da haske, tsabtataccen bayyanar bakin karfe ta hanyar hana tsatsa da lalata.

6. Za a iya wuce duk abubuwan bakin karfe?

Ee, duk abubuwan bakin karfe na iya wucewa.Duk da haka, buƙatar wucewa zai dogara ne akan

yanayin aiki na abu.

7. Shin wucewa hanya ce mai tsada?

Duk da yake akwai farashin da ke tattare da wuce gona da iri, ana ɗaukarsa gabaɗaya mai tsada idan aka ba da kariya

yana bayar da bakin karfe da sakamakon tsawaita rayuwar sa.

8. Me zai faru idan bakin karfe ba a wuce gona da iri?

Idan bakin karfe bai wuce ba, yana iya zama mafi saukin kamuwa da lalata, wanda zai iya haifar da guntu.

tsawon rayuwa da raguwar ƙayatarwa.

9. Shin passivation yana sa bakin karfe ya fi karfi?

Passivation ba dole ba ne ya sa bakin karfe ya yi ƙarfi.Yana inganta ƙarfinsa ta hanyar haɓaka juriya ga lalata.

10. Zan iya yin passivation a gida?

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Bukatar Ƙarin Bayani?Muna nan don Taimakawa!

Fahimtar ƙaƙƙarfan ƙaƙƙarfan bakin ƙarfe na sintered da kuma tsarin wucewa na iya zama mai ban mamaki.

Idan kuna sha'awar haɓaka aiki da tsawon rayuwar abubuwan haɗin bakin karfenku ko neman manufa

OEM musamman sintered karfe tace don tsarin tacewa ku, ƙungiyarmu tana nan don jagorantar ku.

Tuntuɓe mu a HENGKO, kuma bari mu buɗe cikakkiyar damar tsarin ku tare.Tuntuɓe mu ta imel

at ka@hengko.com, kuma ƙungiyarmu masu ilimi za su yi farin cikin taimaka muku da tambayoyinku.

Hanyar ku zuwa ingantaccen tsarin tacewa ba ta wuce imel ba.Kar a jira.Tuntube mu a yau!