Mitundu inayi ya chitsulo chosapanga dzimbiri komanso udindo woyatsira zinthu:
Zitsulo zosapanga dzimbiri zitha kulembedwa mumitundu inayi: austetic, Martiestitic, Fertic, ndi chitsulo chosapanga dzimbiri (tebulo 1). Gululi limakhazikitsidwa ndi micrest ya chitsulo chosapanga dzimbiri. Pakatentheka pang'ono-kaboni pa 1550 ° C, kusintha kwake microstruction kuchokera ku kutentha kwa zipinda ku Austetete. Pakuziritsa, microstruction amabwerera ku Ferrite. Austete, omwe amakhalapo pamatenthedwe kwambiri, samakhala maginito ndipo nthawi zambiri amakhala ndi mphamvu yotsika koma yabwino poyerekeza ndi feder yotentha.
Pamene chromium (cr) ikapitilira 16%, chipinda-kutentha-kutentha microstruction mu gawo la Ferrite, kukhalabe ndi mbiri pamasamba onse amathiridwa. Mtunduwu umatchulidwa kuti chitsulo chosanjikiza cha chiwongolangedwa. Pamene chromium (cr) pomwe zili pamwamba 17% ndi Nickel (NI) pamwambapa 7%, gawo la austete, limakhazikika kuchokera pamatenthedwe otsika mpaka kumapeto.
Zitsulo zosapanga dzimbiri nthawi zambiri zimatchulidwa kuti "re-n" mtundu, zitsulo zosapanga dzimbiri zosakhazikika zimatchedwa "cr". Zinthu mu chitsulo chosapanga dzimbiri komanso zosefera zimatha kugawidwa ndi zinthu zopanga achangu komanso zinthu zosadziwika. Zinthu zoyambirira zopanga astertete-zopanga zimaphatikizapo N, C, Mn, ndi n, pomwe zinthu zopangira zopanga zoyambirira za FR, si, Mo, ndi NB. Kusintha zomwe zinthu izi zimatha kuwongolera gawo la ferrite mu cholumikizira.
Chitsulo chosapanga dzimbiri, makamaka mukakhala zosakwana 5% nayitrogeni (n), ndizosavuta kuwira ndikupereka bwino zowonjezera poyerekeza ndi zitsulo zosapanga dzimbiri. Kusoka kopanda kanthu kosakhazikika komwe kumawonetsa mphamvu zabwino ndi kuunika, nthawi zambiri kumathetsa kufunika kwa mankhwala ofunda ndi owuma. Pamagawo a chitsulo chosapanga dzimbiri, austetic osapanga dzimbiri za 80% ya zosagwiritsa ntchito zosapanga dzimbiri, ndikupangitsa chidwi cha nkhani ino.
Momwe Mungasankhire ZoyeneraChitsulo chosapanga dzimbiriZovuta, mawaya ndi elekitrodes?
Ngati zida zilinso chimodzimodzi, lamulo loyamba 'limafanana ndi makolo. " Mwachitsanzo, ngati malasha amalumikizidwa ku 310 kapena 316 chitsulo chosapanga dzimbiri, sankhani zinthu zofananira. Mukamaliza zinthu zopanda tanthauzo, tsatirani malangizowo osasankha zinthu zofunika zomwe zikugwirizana ndi zomwe zili. Mwachitsanzo, pofalitsa 304 ndi 316 ndi 316 chitsulo chosapanga dzimbiri, sankhani mtundu 31 wotchera zinthu. Komabe, palinso milandu yapadera yomwe mfundo ya "yofananira pazitsulo" siyitsatira. M'nkhaniyi, ndilofunika kutanthauza "kutchula tchati chosankha.". Mwachitsanzo, mtundu wachitsulo wosapanga dzimbiri ndi zinthu zambiri zofala kwambiri, koma palibe ndodo 304 yoweta.
Ngati zinthu zojambulira zikuyenera kufanana ndi chitsulo, momwe mungasankhire zinthu zowotcherera kuzitsulo zam'madzi 304 zosapanga dzimbiri ndi ekitilode?
Mukamaliza kupanga chitsulo 304, gwiritsani ntchito mitundu 308 yoloza zinthu chifukwa zinthu zowonjezera mu 308 zitsulo zosapanga dzimbiri zitha kukhazikika bwino. 308L ndinso kusankha kovomerezeka. L akuwonetsa zotsika zotsika, chitsulo cha 3xxl chosapanga dzimbiri chimawonetsa zomwe zili ndi kaboni 0.03%, pomwe chitsulo chosapanga dzimbiri cha 3xx chimakhala ndi zinthu 0.08%. Popeza l-lembani zokhala ndi zosemphana ndi mtundu womwewo wa gulu lofanana ndi lopanda kanthu, opanga ayenera kuganizira kugwiritsa ntchito zosemphana ndi kaboni wochepa kwambiri chifukwa chodzaza ndi chizolowezi. M'malo mwake, wolemba amakhulupirira kuti ngati opanga akufuna kukweza zinthu zawo, zinthu zooneka ngati zisoti zachikaso zimagwiritsidwa ntchito kwambiri. Opanga omwe amagwiritsa ntchito njira zoweta za Gmaw akuganiziranso pogwiritsa ntchito mtundu wa zinyalala wosakhazikika chifukwa ski amatha kusintha kunyowa ndi magawo. Pankhani yomwe chidutswa cha malasha chili ndi nsonga yayitali kapena malo olumikizira a dziwe ndi osauka .
Post Nthawi: Sep-26-2023