Cholinga chachikulu cha chithandizo cholimba chazitsulo zosapanga dzimbiri ndikusungunula ma carbides kapena magawo ena amvula munjira yolimba kuti apeze mawonekedwe a gawo limodzi la supersaturated. Kuponyedwa kwachitsulo chosapanga dzimbiri cha austenitic, chitsulo cha austenitic manganese ndi mpweya wowumitsa zitsulo zosapanga dzimbiri ziyenera kukhala zolimba.
Martensitic mpweya woumitsa zitsulo zosapanga dzimbiri nthawi zambiri zimakhala ndi mpweya wosakwana 0.1%. Limbikitsani powonjezera zinthu zowumitsa (mkuwa, aluminiyamu, titaniyamu ndi aluminiyamu, ndi zina zotero) kuti mupange kusowa kwa mphamvu. Zomwe zili mu chromium nthawi zambiri zimakhala zokwera kuposa 17%, ndipo faife woyenerera amawonjezedwa kuti asachite dzimbiri.
Mvula yamphamvu yowumitsa chitsulo chosapanga dzimbiri ndi mtundu wa chitsulo cha aloyi chokhala ndi mpweya wosaposa 0.03% kuwonetsetsa kulimba, kukana kwa dzimbiri, kuwotcherera komanso kugwira ntchito kwa matrix a martensite, ndi 12% chromium kuti zitsimikizire kukana kwa dzimbiri. Kuphatikiza apo, cobalt ya alloy element imawonjezedwa kuti ipititse patsogolo kutentha kwachitsulo.
Mphepo ya Semi-austenitic imaumitsa chitsulo chosapanga dzimbiri, ndiye kuti, mvula yanthawi yayitali yowumitsa chitsulo chosapanga dzimbiri, chokhala ndi chromium yosachepera 12%. Imakhala ndi mpweya wochepa, ndipo aluminiyumu ndiye chinthu chachikulu choumitsa mvula. Mvula yotere yowumitsa chitsulo chosapanga dzimbiri imakhala ndi ntchito yabwinoko kuposa mvula ya martensitic yomwe imawumitsa chitsulo chosapanga dzimbiri.
Austenitic mpweya woumitsa chitsulo chosapanga dzimbiri ndi chitsulo chosapanga dzimbiri chokhala ndi mawonekedwe okhazikika a austenite m'maiko ozimitsidwa komanso okalamba. Zomwe zili ndi faifi tambala ndi manganese ndizokwera, ndipo zomwe zili mu chromium ndizokwera kuposa 13% kuti zitsimikizire kukana kwa dzimbiri komanso kukana kwa okosijeni. Nthawi yomweyo, mpweya wa austenitic woumitsa zitsulo zosapanga dzimbiri nthawi zambiri umawonjezera titaniyamu, aluminiyamu, vanadium kapena phosphorous ngati zinthu zowumitsa mvula, ndikuwonjezera pang'ono boron, vanadium, nayitrogeni ndi zinthu zina kuti mupeze zinthu zabwino kwambiri.
RMC Foundry Onetsani Magiredi Otsatirawa a Mvula Yowumitsa Zitsulo Zosapanga dzimbiri
- 1- Miyezo yaku China: 05Cr15Ni5Cu4Nb, 05Cr17Ni4Cu4Nb
- 2- British Standard: ANC20, ANC21, ANC22
- 3- Miyezo yaku America: 630, 634, 17-4PH, 15-5PH, CB7Cu-1
- 4- Miyezo yaku Japan: SCS24, SCS32
- 5- Muyezo wa Chijeremani: 1.4542


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