347 Bakin Karfe

Bakin Karfe 347 titanium -tsayayyen bakin karfe na austenitic, wanda aka bambanta shi ta musamman juriyarsa ga lalatawar intergranular bayan bayyanar yanayin zafi mai zafi, musamman a cikin walda da hanyoyin magance zafi. An ƙirƙira wannan haɗin gwiwa don magance matsalolin hazo na carbide gama gari a cikin waɗanda ba su daidaita maki austenitic ba, suna mai da shi ingantaccen zaɓi don aikace-aikacen da suka haɗa da sabis na zafin jiki mai tsayi.

Babban fa'idar 347 ita ce mafi girman juriyar sa ga lalatawar intergranular, ko da bayan tsawan lokaci ga yanayin zafi tsakanin 425{4}}815 digiri (800-1500 digiri F). Wannan ya sa ya dace don tsarin walda waɗanda ke aiki a yanayin zafi mai girma, saboda yana kawar da buƙatar warwarewar walda a yawancin aikace-aikace. Hakanan yana ba da kyakkyawar juriya ta gabaɗaya a cikin yanayin yanayi, ruwa mai daɗi, da kuma maganin sinadarai da yawa, kodayake juriyarsa ga rami mai haifar da chloride yana kwatankwacin 304 maimakon molybdenum haɓaka maki kamar 316.

Wannan niobium -tsayayyen bakin karfe na austenitic yana inganta juriya na lalata tsakanin granular da kuma yawan zafin jiki{1}} ta hanyar kari na niobium. Niobium ya fi dacewa yana haɗe tare da carbon don samar da barga na carbide, yadda ya kamata yana hana raguwar chromium a cikin kewayon zafin hankali (425~860 digiri). Wannan ya sa ya dace musamman don abubuwan da aka welded da aikace-aikacen zafin jiki mai girma- (mafi girman zafin sabis: digiri 900). Yayin da yake nuna kyakkyawan juriya na lalata a cikin kafofin watsa labaru, juriyar sa ga lalata damuwa na chloride ya kasance mai iyaka. Kayan abu ba shi da{10}magani a cikin bayani{11}}yanayin da aka shafe.

Maɗaukaki{0}Kayan zafi: Boilers, masu musayar zafi, abubuwan injin jirgin sama (sabis na dogon lokaci ƙasa da digiri 800)
Masana'antar sinadarai:Ƙarfin acid{0}kwantena masu juriya, bututun walda (ba a buƙatar maganin zafi na walda)
Bangaren Makamashi:Abubuwan da aka gyara na makamashin nukiliya na ciki, raka'o'in fashewar petrochemical
Masana'antar Motoci:Gidajen Turbocharger, tsarin shaye-shaye

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