Ilimi- Kintai

Abubuwan da aka gano a cikin ductile iron

A lokacin aikin masana'antu na ductile baƙin ƙarfe, akwai jerin abubuwan da aka gano da ke tsoma baki tare da tsarin spheroidization. Kodayake yawan juzu'in waɗannan abubuwan a cikin baƙin ƙarfe ductile kaɗan ne kawai a cikin dubu goma ko kaɗan a cikin dubu ɗari, suna iya tasiri sosai ga tasirin spheroidization. Wannan tsangwama yana da alaƙa da alaƙa da abun ciki na magnesium a cikin narkewa da yanayin sanyaya, kuma tasirin abubuwa daban-daban masu shiga tsakani suna da ƙarfi.

Abubuwan da ke shiga tsakani na yau da kullun sun haɗa da Sb, Sn, Bi, Te, Pb, Ti, Se da As, da dai sauransu. Ana iya rarraba waɗannan abubuwan bisa ga halaye masu amfani da su na magnesium: Te da Se suna cikin nau'in cin abinci na magnesium, waɗanda ke da saurin haɗuwa da magnesium kuma suna haɓaka samuwar graphite na vermicular, graphite da ƙarancin sanyi; Sb, Sn, As da Ti suna cikin nau'in rarrabuwar kan iyakokin hatsi, waɗanda ke haifar da gurɓataccen graphite a iyakokin hatsi; yayin da Pb da Bi suna cikin nau'in gauraye, suna samar da gurɓataccen graphite a ƙananan abun ciki da haɓaka samuwar graphite da ba a sanyaya ba da flake graphite a babban abun ciki.

Don murkushe tasirin anti-spheroidizing na waɗannan abubuwan da ke shiga tsakani ko don faɗaɗa kewayon da aka yarda da su, za a iya ƙara abubuwan da ba su da yawa na ƙasa zuwa baƙin ƙarfe. Ya kamata a daidaita ƙarin adadin abubuwan da ba kasafai ba na duniya bisa ga tsarkin narkakkar baƙin ƙarfe, kuma yawanci ya dace da ragowar ƙwayar cerium ya kai kashi 0.03%.

Yana da daraja musamman a ambaci sinadarin gubar. Lokacin da ruwa na baƙin ƙarfe ya ƙunshi gubar kuma yawan juzu'i yana tsakanin 0.01% da 0.05%, don cimma ƙimar spheroidization sama da 85%, yawan juzu'i na ragowar magnesium dole ne ya wuce 0.6%, kuma yawan juzu'i na ragowar cerium shima yana buƙatar isa sama da 0.05%.

Na gaba, za mu shiga cikin fitaccen ɗayan waɗannan abubuwan ganowa.

titanium

Nau'in Abu: Metal element

Lambar atomic: Dangantakar adadin atomic: # Kayayyakin jiki

Bayyanar da haske: Titanium, wannan ƙarfen miƙa mulki-fari na azurfa, yana haskakawa tare da siffa ta ƙarfe.

Tsarin lu'ulu'u: Titanium yana da allotropes guda biyu, α -titanium wanda ke cikin tsarin lu'ulu'u mai siffar hexagonal, da kuma β -titanium wanda yake siffar cubic. Zafin canjin da ke tsakaninsu shine 85 ℃.

Sifofin Inji: Tsarkakken titanium yana da kyakkyawan ƙarfinsa, kodayake ƙarfinsa yana da ƙasa kaɗan. Duk da haka, ta hanyar ƙara abubuwan da ke haɗa sinadarai da kuma sarrafa ƙazanta sosai, ana iya inganta halayen injina na titanium sosai .

 

Chemical Properties

Kwanciyar hankali: A dakin da zafin jiki, titanium yana da ingantattun sinadarai masu tsayayye kuma baya saurin amsawa da yawancin abubuwa. Duk da haka, a yanayin zafi mai zafi, yana iya fuskantar halayen sinadarai tare da abubuwa daban-daban da mahadi.

Juriya na Lalacewa: Titanium yana nuna juriya mai ƙarfi sosai, musamman a wurare masu tsauri kamar ruwan teku, aqua regia, da iskar chlorine mai ɗanɗano. Yana da mahimmanci a lura, duk da haka, cewa titanium yana amsawa da ƙarfi tare da busassun iskar chlorine.

Martani tare da Haɗuwa: Titanium na iya amsawa tare da fluorides, chlorides, sulfuric acid, da sauran mahadi a ƙarƙashin takamaiman yanayi don samar da mahaɗan titanium daidai.

 

Kasancewa da Shirye

 

Siffofin wanzuwa: Titanium an rarraba shi sosai a yanayi, galibi a cikin nau'ikan ilmenite (FeTiO3) da rutile (TiO2). Bugu da ƙari, yana samuwa a cikin rayayyun halittu, duwatsu, jikunan ruwa, da ƙasa.

 

Hanyoyin Shirye-Shirye: Cire titanium daga manyan ma'adanai na buƙatar hanyoyin narkewa kamar tsarin Kroll ko tsarin Hunter, wanda ya haɗa da matakai da yawa ciki har da raguwa da tacewa.

 

Aikace-aikace filayen

Aerospace: A cikin kera jiragen sama, injuna, da na'urorin roka, titanium da kayan aikinta suna taka muhimmiyar rawa kuma ana yaba su da "karfe na sararin samaniya" a cikin masana'antar sararin samaniya.

Ginin Jirgin Ruwa: Saboda kyakkyawan juriya ga lalata ruwan teku, ana amfani da titanium sosai a cikin masana'antar ginin jirgi, kamar a cikin masana'antar masana'anta, injina, da eriya na karkashin ruwa.

Chemical da petrochemical: A cikin kera kayan aikin sinadarai kamar masu musayar zafi da masu sanyaya iskar gas na chlorine, an fi son titanium don ingantaccen juriyar lalata da kwanciyar hankali.

Sufuri: A cikin kera motoci da babura, ana amfani da titanium sau da yawa don yin bututun shaye-shaye, magudanar ruwa, da maɓuɓɓugan dakatarwa, a tsakanin sauran abubuwan, don rage nauyin gaba ɗaya da haɓaka aiki.

Filin likitanci: Saboda kyakkyawan yanayin da ya dace, titanium yana taka muhimmiyar rawa wajen kera na'urorin likitanci da haɗin gwiwar wucin gadi.

 

Aikace-aikacen titanium a cikin baƙin ƙarfe ductile

A cikin baƙin ƙarfe ductile, kasancewar adadin adadin titanium na iya haifar da samuwar graphite gurɓataccen abu kuma yana haɓaka sashin hankali bayan maganin magnesium. Lokacin da abun ciki na titanium ya wuce 1%, zai haifar da ɓarna na graphite, ta haka ne rage haɓakar haɓakawa bayan karyewa da tasiri mai ƙarfi, kuma a lokaci guda yana haifar da raguwa mai ƙarfi a cikin ƙarfin tensile da iyakar yawan amfanin ƙasa. Bugu da ƙari, titanium yana da ƙarfin ragewa mai ƙarfi kuma yana iya rage abubuwan gano abubuwa kamar su antimony, bismuth, da gubar a cikin narkakken ƙarfe, ta haka yana tsoma baki tare da tsarin spheroidization na graphite.

 

Idan kuna da wata tambaya, buƙata, sabbin sassan simintin ƙarfe masu ductile suna buƙatar haɓaka ko inganta sarkar samar da kayayyaki, da fatan za ku iya tuntuɓar mu info@castings-forging.com