Menene crucibles da aka yi?

Abun da ke ciki nacruciblekayan aiki da mahimmancin su a cikin ƙarfe

Crucible kayan aiki ne da ba makawa a cikin masana'antar ƙarfe, ana amfani da su don ƙunshe da zafi daban-daban na karafa da gami. Duk da haka, abubuwan da ke tattare da crucible kai tsaye yana rinjayar aikinsa da rayuwa a cikin yanayin zafi mai zafi. Sabili da haka, fahimtar abubuwan da ke tattare da kayan da aka yi amfani da su yana da mahimmanci don zaɓar madaidaicin kayan aikin ƙarfe. Wannan labarin zai bincika manyan abubuwan da ke tattare da crucibles da mahimmancin su a aikace-aikacen ƙarfe.

1. Graphite crucible
Graphite crucible yana daya daga cikin mafi yawan nau'ikan. Saboda kyakkyawan yanayin juriya da kwanciyar hankali na sinadarai, ana amfani da shi sosai wajen narke karafa da ba na ƙarfe ba kamar aluminum, jan karfe, da zinariya. Babban kayan aikin graphite crucible shine carbon, wanda ke da kyakkyawan yanayin zafi, yana barin ƙarfe ya yi zafi da sauri kuma a ko'ina, don haka rage lokacin narkewa. Bugu da kari, graphite crucible yana da kyakkyawan juriya na lalata kuma yana iya jure gurɓacewar yawancin abubuwan narkakkar acidic da alkaline.

2. Silicon carbide crucible
Silicon carbide crucibles suna da fifiko ga masana'antar ƙarfe don kyakkyawan taurinsu da juriya na iskar shaka. Silicon carbide wani abu ne mai wuyar gaske wanda zai iya jure yanayin zafi sosai ba tare da lalacewa ba. Idan aka kwatanta da crucibles graphite, silicon carbide crucibles suna da tsawon rayuwar sabis kuma sun dace musamman don narkewar ƙarfe, ƙarfe da sauran ƙananan ƙarfe masu zafi. Bugu da ƙari, siliki carbide abu yana da kyakkyawan kwanciyar hankali na zafin jiki, yana rage haɗarin lalacewa ga crucible saboda saurin canje-canjen zafin jiki.

3. Ceramic crucible
Abubuwan da aka yi da yumbura galibi ana yin su ne da kayan yumbu kamar alumina da zirconia. Wadannan crucibles suna nuna inertness na sinadarai masu kyau kuma sun dace da sarrafa karafa da gami waɗanda ke da lalata ga sauran kayan. Babban wurin narkewar yumbu crucibles yana ba su damar tsayawa a ƙarƙashin matsanancin yanayin zafi kuma ana amfani da su sosai a dakunan gwaje-gwaje da wasu aikace-aikacen masana'antu na musamman. Koyaya, yumbun crucibles ba su da ƙarfi kuma suna buƙatar kulawa da hankali yayin amfani don guje wa karye saboda tasirin injina.

4. Karfe crucible
Ana amfani da ƙwanƙun ƙarfe na ƙarfe a cikin manyan ayyukan narka ƙarfe, kamar wuraren da aka samo asali. Ƙarfe crucibles yawanci ana yi da zafi jure karfe gami da kuma da kyakkyawan inji ƙarfi da kuma high zafin jiki juriya. Ko da yake crucibles karfe ba su da matsayin thermally conductive kamar graphite crucibles, za su iya jure wani gagarumin girgiza jiki, sa su dace da narkewa ayyuka da bukatar akai-akai lodi da sauke ko canja wuri.

5. Sauran kayan
Bugu da ƙari ga kayan ƙera na yau da kullun da aka ambata a sama, akwai kuma wasu kayan aikin musamman da ake amfani da su don takamaiman dalilai. Misali, ana amfani da crucibles tungsten sau da yawa a cikin gwaje-gwajen zafin jiki saboda matsanancin narkewarsu da juriya na lalata. Ana amfani da crucibles na titanium don narke gwangwani na musamman saboda ba sa amsa da karafa da yawa.

A karshe
Abubuwan da ke tattare da kayan aiki na crucible ba wai kawai ƙayyade kwanciyar hankali da dorewa ba a cikin yanayin zafi mai zafi, amma kuma yana tasiri kai tsaye ga inganci da amincin tsarin narkewa. Sabili da haka, lokacin zabar ƙugiya, kayan sinadarai na kayan, ƙarfin zafin jiki, ƙarfin injina da rayuwar sabis dole ne a yi la'akari da takamaiman buƙatun aikace-aikacen. Gishiri na kayan daban-daban suna taka rawar da ba za a iya maye gurbinsu ba a cikin masana'antar ƙarfe, suna ba da garanti mai inganci don ingantaccen aiki mai aminci da ƙarfe.