Bead-kuwala
Chitsulo cha imvi ndi mtundu wa chitsulo. Carcorbori alili ku chitsulo ngati pepala graphite. Kamwa yosweka ndi imvi. Khalani ndi mapangidwe abwino, kudula magwiridwe, kuvala bwino kukana. Zopangira mabokosi, mabokosi, ndi zina zowonjezera pa graphite ya chitsulo ndi yovuta kwambiri, ndi mphamvu yokongola, chitsulo chopanda imvi chimakhala chopanda imvi. Komabe, ili ndi kugwedezeka kwabwino kwambiri yogwedeza, kutsika kotsika komanso kuvala kwambiri kukana.
Chitsulo cha imvi chimakhala ndi zinthu zambiri za kaboni (2.7% ~ 4.0%), omwe amatha kuwonedwa ngati matrix a chitsulo cha kaboni. Malinga ndi bungwe la matrix la imvi yosiyanasiyana imsozi imagawidwa m'magulu atatu: imron matrix imvi yotayika; Pearl Fernet Matrix imponi chitsulo; Pearl Matrix impoy Tsitsani chitsulo.
Perl-Ferrite Incinge chitsulo ili mu minda ya nyerere ndi Ferrite wosakaniza matrix, omwe amagawidwa ndi chitsulo ndi fungo labwino kwambiri, ndipo limatha kusungunuka, ndi chitsulo chogwiritsidwa ntchito kwambiri.
Matenda osiyanasiyana azitsulo atayika imvi ndi mtundu wina wa kaboni chifukwa cha chitsulo. Carbon yomwe imayita imvi imapangidwa ndi kaboni (Feya) ndi graphite kaboni. Akaphatikizidwa kaboni 0,8%, imaponda imvi; Akaphatikizidwa kaboni ndi yochepera 0,8%, imathanso imvi; Pamene mpweya wonse uli m'cigirira, itaikira imvi.
Makina opanga imvi a imvi amakhudzana ndi bungwe la matrix ndi morphology ya graphite. Pulogalamu yojambula imvi ku imvi imasiyanitsa matrix, zomwe ndizosavuta kuyambitsa kupsinjika kwa chitsulo cha graphite, koma chitsulo chopondera ndi magwiridwe antchito oyipitsitsa omwe amagwiritsidwa ntchito kawirikawiri. Nthawi yomweyo, minofu ya matrix imakhalanso ndi mphamvu inayake pa makina opanga imvi. Zitsulo za graphite zimatayidwa chitsulo ndi chambiri ndipo pepala la matrix lili ndi mphamvu kwambiri komanso kuuma, ndipo limagwiritsidwa ntchito popanga zikopa zofunika; Chitsulo cha graphite chimapangitsa chitsulo cha matrix ndichokulirapo kuposa imvi, chomwe chiri chotsika chitsulo, chomwe chiri chotsika pa imvi chimasokera chitsulo. Chifukwa chake, imviyo imapangitsa chitsulo cha minodi yamthupi la bead imagwiritsidwanso ntchito kwambiri pamakampani.
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