1. Kayayyakin Inji na Bakin Karfe
Ana bayar da ƙayyadadden ...
Sifofin injina da aka ƙayyade don samfuran da aka birgima a lebur yawanci sune ƙarfin juriya, damuwa (ko damuwa mai hanawa), tsayi da kuma taurin Brinell ko Rockwell. Bukatun kadarori na mashaya, bututu, bututu da kayan aiki galibi suna nuna ƙarfin juriya da damuwa mai yawa.
2. Ƙarfin Bakin Karfe Mai Yawa
Ba kamar ƙananan ƙarfe ba, ƙarfin yawan amfanin ƙarfe mai austenitic mai annealed ba shi da yawa sosai na ƙarfin juriya. Ƙarfin ƙarfin ƙarfin juriya yawanci shine 65-70% na ƙarfin juriya. Wannan adadi yakan kasance 40-45% kawai a cikin dangin bakin austenitic.
Sanyi yana aiki da sauri kuma yana ƙara ƙarfin yawan amfanin ƙasa sosai. Wasu nau'ikan ƙarfe na bakin ƙarfe, kamar waya mai jure yanayin bazara, ana iya yin aiki da shi cikin sanyi don ɗaga ƙarfin yawan amfanin ƙasa zuwa kashi 80-95% na ƙarfin juriya.
3. Ƙarfin Bakin Karfe
Haɗuwar ƙarfin taurarewa mai yawa da kuma tsawaitawa/lantarki mai yawa yana sa ƙarfen bakin ya zama mai sauƙin ƙerawa. Tare da wannan haɗin kayan, bakin ƙarfe na iya zama mai matuƙar lalacewa a cikin ayyuka kamar zane mai zurfi.
Yawanci ana auna juriyar juyawa a matsayin kashi na tsawon kafin karyewa yayin gwajin taurin kai. Karfe masu austenitic da aka yi wa annealed suna da tsayi mai yawa. Alkaluman da aka saba gani sune 60-70%.
4. Taurin Bakin Karfe
Tauri shine juriya ga shigar saman kayan. Masu gwajin tauri suna auna zurfin da za a iya tura mai shigar da tauri sosai zuwa saman kayan. Ana amfani da injunan Brinell, Rockwell da Vickers. Kowannensu yana da siffa daban-daban ta indarter da hanyar amfani da ƙarfin da aka sani. Saboda haka, sauyawa tsakanin ma'auni daban-daban kusan ne kawai.
Ana iya taurare ma'aunin taurarewar ruwa da ruwan sama ta hanyar maganin zafi. Sauran ma'aunin za a iya taurare su ta hanyar yin aiki a sanyi.
5. Ƙarfin Tauri na Bakin Karfe
Ƙarfin tauri gabaɗaya shine kawai kayan aikin injiniya da ake buƙata don ayyana samfuran sanda da waya. Ana iya amfani da ma'aunin kayan iri ɗaya a ƙarfin tauri daban-daban don aikace-aikace daban-daban. Ƙarfin tauri da aka bayar na samfuran sanda da waya yana da alaƙa kai tsaye da amfani na ƙarshe bayan ƙera.
Wayar bazara tana da ƙarfin juriya mafi girma bayan ƙera ta. Ana samun ƙarfin juriya mai yawa ta hanyar yin aiki a cikin maɓuɓɓugan ruwa masu naɗewa. Ba tare da wannan ƙarfin ba, wayar ba za ta yi aiki yadda ya kamata a matsayin maɓuɓɓuga ba.
Irin waɗannan ƙarfin da ke da ƙarfi ba a buƙatar su don amfani da waya wajen yin ƙira ko saƙa. Waya ko sandar da ake amfani da ita azaman kayan da aka yi amfani da su don ɗaurewa, kamar ƙusoshi da sukurori, suna buƙatar su kasance masu laushi don a samar da kai da zare amma har yanzu suna da ƙarfi don yin aiki yadda ya kamata a lokacin aiki.
Iyalan ƙarfe daban-daban suna da ƙarfin juriya da yawan amfani daban-daban. Waɗannan ƙarfin da aka saba amfani da su don kayan da aka yi wa fenti an bayyana su a cikin Tebur 1.
Tebur 1. Ƙarfin da aka saba amfani da shi don ƙarfe mai annealed daga iyalai daban-daban
| Ƙarfin Taurin Kai | Ƙarfin Ba da Kyauta | |
| Austentic | 600 | 250 |
| Duplex | 700 | 450 |
| Ferritic | 500 | 280 |
| Martensitic | 650 | 350 |
| Taurarewar Ruwan Sama | 1100 | 1000 |
6. Halayen Jiki na Bakin Karfe
● Juriyar tsatsa
● Juriyar zafi mai yawa da ƙarancin zafi
● Sauƙin ƙera
● Babban Ƙarfi
● Kyakkyawan salo
● Tsafta da sauƙin tsaftacewa
● Zagaye mai tsawo na rayuwa
● Ana iya sake amfani da shi
● Ƙarancin ƙarfin maganadisu
7. Juriyar Tsatsa ta Bakin Karfe
Kyakkyawan juriya ga tsatsa alama ce ta dukkan ƙarfe marasa ƙarfe. Ƙananan matakan ƙarfe na iya tsayayya da tsatsa a yanayi na yau da kullun. Manyan ƙarfe suna tsayayya da tsatsa ta hanyar yawancin acid, maganin alkaline da muhallin chloride.
Juriyar tsatsa ta bakin karfe ta faru ne saboda yawan sinadarin chromium da ke cikinsa. Gabaɗaya, bakin karfe yana ɗauke da aƙalla kashi 10.5% na chromium. Chromium da ke cikin ƙarfen yana samar da wani Layer mai kariya mai warkarwa wanda ke samuwa ta hanyar iska. Yanayin warkar da kansa na Layer ɗin oxide yana nufin juriyar tsatsa ta kasance ba tare da la'akari da hanyoyin ƙera ta ba. Ko da an yanke saman kayan ko an lalace, zai warke da kansa kuma za a ci gaba da juriyar tsatsa.
8. Juriyar Zafin Jiki Mai Tsanani
Wasu nau'ikan ƙarfe na bakin ƙarfe na iya jure wa ƙwanƙwasawa kuma su riƙe ƙarfi mai yawa a yanayin zafi mai yawa. Wasu nau'ikan suna da manyan halayen injiniya a yanayin zafi mai zafi.
Babban Ƙarfin Bakin Karfe
Za a iya canza tsarin sassan da hanyoyin ƙera su don amfani da taurare aikin ƙarfen bakin ƙarfe wanda ke faruwa lokacin da ake yin su a cikin sanyi. Ƙarfin da ke tattare da hakan na iya ba da damar amfani da kayan da suka fi sirara, wanda ke haifar da ƙarancin nauyi da farashi.
Kamfanin Jindalai Steel Group babban kamfani ne mai kera da fitar da bututun ƙarfe na bakin ƙarfe. Yana fuskantar ci gaba sama da shekaru 20 a kasuwannin duniya kuma a halin yanzu yana da masana'antu guda biyu waɗanda ke da ƙarfin samar da tan 400,000 a kowace shekara. Idan kuna son ƙarin bayani game da kayan ƙarfe na bakin ƙarfe, barka da zuwa tuntuɓar mu a yau ko neman ƙiyasin farashi.
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Lokacin Saƙo: Disamba-19-2022
