A fannin kimiyyar kayan aiki, wani sabon nau'in bakin karfe da aka fi sani da duplex bakin karfe yana yin taguwar ruwa.Wannan gawa mai ban mamaki yana da tsari na musamman, tare da lokaci na ferrite da austenite kowane lokaci yana lissafin rabin tsarin taurinsa.Ko da mafi ban sha'awa shine gaskiyar cewa ƙaramin abun ciki na lokaci zai iya kaiwa 30% mai ban sha'awa.
Duplex bakin karfe yana baje kolin ingantattun kaddarorin inji saboda matakan sa biyu.Tare da ƙananan abun ciki na carbon, abun ciki na chromium ya tashi daga 18% zuwa 28%, yayin da abun ciki na nickel ya tsaya tsakanin 3% da 10%.Baya ga waɗannan mahimman abubuwan haɗin gwiwa, wasu nau'ikan bakin ƙarfe na duplex kuma sun haɗa da abubuwa masu haɗawa kamar molybdenum (Mo), jan ƙarfe (Cu), niobium (Nb), titanium (Ti), da nitrogen (N).
Halin na musamman na wannan karfe ya ta'allaka ne a cikin gaskiyar cewa ya haɗu da mafi kyawun halayen duka austenitic da ferritic bakin karfe.Ba kamar takwaransa na ferrite ba, duplex bakin karfe yana alfahari da mafi girman filastik da tauri.Bugu da ƙari, yana nuna juriya na ban mamaki ga lalatawar damuwa, yana sa ya zama abin sha'awa ga aikace-aikace daban-daban.
Wani muhimmin al'amari da ke keɓance bakin karfe na duplex shine juriyarsa ga lalata, wanda shine nau'in lalata da aka saba fuskanta a cikin matsanancin yanayi kamar masana'antar sarrafa ruwa da sinadarai.Ana iya dangana wannan juriyar lalata ga mafi girman chromium da abun ciki na molybdenum idan aka kwatanta da bakin karfe na gargajiya.
Na musamman microstructure na duplex bakin karfe kara habaka da karko, sa shi dace da fadi da kewayon aikace-aikace.Yana samun amfani mai yawa a cikin masana'antu waɗanda ke buƙatar ƙaƙƙarfan abubuwa masu juriya da lalata, gami da binciken mai da iskar gas na teku, tsire-tsire masu bushewa, sarrafa sinadarai, da abubuwan sufuri.
Bugu da ƙari, ƙarfin ƙarfin wannan ƙarfe yana ba da damar ƙira mai sauƙi kuma mafi tsada, yana ba da damar masana'antu su sami ingantaccen aiki.Juriya na musamman ga lalatawar gida yana tabbatar da tsawon rayuwa don kayan aiki da tsarin, yana rage farashin kulawa a cikin dogon lokaci.
A cikin 'yan shekarun nan, buƙatun bakin karfe na duplex ya shaida babban haɓaka, tare da masana'antun haɓaka sabbin maki don biyan takamaiman takamaiman aikace-aikace.Waɗannan abubuwan haɓaka suna nufin haɓaka kaddarorin kamar juriya na lalata, ƙarfi, da walƙiya, ƙara faɗaɗa yuwuwar amfani da ƙarfen.
Tare da ci gaba da bincike da ci gaba, makomar duplex bakin karfe yana da alama.Masana kimiyya da injiniyoyi suna ci gaba da bincika hanyoyin da za su haɓaka halayensa da faɗaɗa amfani da shi ga masana'antu daban-daban.
Kamar yadda masana'antu ke ƙoƙari don ci gaba da ayyuka masu ɗorewa, duplex bakin karfe yana ba da mafita mai dacewa saboda tsawon rayuwarsa, sake yin amfani da shi, da rage buƙatar kulawa.Wannan yanayin da ya dace da muhalli ya sanya shi a matsayin babban ɗan takara a tseren kayan dorewa.
A taƙaice, duplex bakin karfe yana wakiltar babban ci gaba a kimiyyar kayan aiki, yana haɗa mafi kyawun fasalulluka na austenitic da ferritic bakin karfe.Tare da keɓaɓɓen kaddarorin injin sa, juriya ga nau'ikan lalata iri-iri, da haɓaka buƙatu a cikin masana'antu, wannan ƙirar gami tana shirye don sauya yadda muke kusanci ƙirar tsari da aikace-aikacen masana'antu.
Lokacin aikawa: Yuli-18-2023