Tungsten yana da mafi girman wurin narkewa na duk karafa da kuma maɗaukakin maɗaukaki na elasticity na ban mamaki. Godiya ga fitattun kayan zafi, tungsten na iya jure yanayin zafi cikin sauƙi. Tungsten kuma ya yi fice don girman girmansa don haka ana amfani da shi a cikin aikace-aikacen masana'antu iri-iri kamar a cikin masana'antar jiragen sama da na sararin samaniya, sashin injiniyan lantarki, da na lantarki.
Tungsten na farko aikace-aikace fiye da shekaru 100 ya kasance a matsayin filament a cikin fitilu fitilu. An yi shi da ƙananan silicate na potassium-aluminum, tungsten foda yana daɗaɗɗen zafin jiki don samar da filament na waya da ke tsakiyar fitilu masu haske wanda ke haskaka miliyoyin gidaje a duniya.
Saboda ikon tungsten na kiyaye siffarsa a yanayin zafi mai zafi, tungsten filaments yanzu ana amfani da su a cikin aikace-aikacen gida iri-iri, ciki har da fitilu, fitilu, abubuwan dumama a cikin tanda, microwaves, da bututun x-ray.
Haƙurin ƙarfen ga zafin zafi kuma ya sa ya dace don ma'aunin zafi da sanyio da lambobin lantarki a cikin tanderun baka na lantarki da kayan walda. Aikace-aikacen da ke buƙatar taro mai yawa, ko nauyi, irin su ma'aunin nauyi, masu kamun kifi, da darts galibi suna amfani da tungsten saboda yawansa.
Tare da tsabtar> 99.98%, ana amfani dashi ko'ina a cikin abubuwan haɓaka ion semiconductor, abubuwan dumama, maƙasudin sputtering, electrodes, sassan tsarin zafin jiki, kristal crucibles, counterweights, garkuwar radiation, na'urar zafi mai zafi da sauran lokatai.
Muna samar da samfuran tungsten ɗinmu daga foda na ƙarfe zuwa samfurin da aka gama. Mu kawai muna amfani da tungsten oxide mafi tsarki azaman kayan tushe. Muna samar da samfuran tungsten masu tsabta tare da tsabta har zuwa 8N.
oxidized rare tungsten duniya (W-REO)
Oxidized rare earth tungsten (WLa, WCe, WTh, WY da sauran rare duniya gami) yana da mafi girma ƙarfi da kuma musamman fitarwa yi fiye da tsarki tungsten, kuma ana amfani da ko'ina a daban-daban na lantarki: TIG waldi, plasma waldi, plasma waldi, plasma fesa shafi, plasma smelting da gas fitarwa tushen haske; Hakanan ana amfani dashi a cikin sassa na tsarin zafin jiki mai zafi.
Lanthanated tungsten shine oxidized lanthanum doped tungsten gami. Lokacin da aka tarwatsa oxide na lanthanum oxide, tungsten lanthanated yana nuna ingantaccen juriya na zafi, zafin zafi, juriya mai rarrafe, da babban zafin sake sakewa. Waɗannan fitattun kaddarorin suna taimaka wa lanthanated tungsten electrodes cimma ingantaccen aiki a cikin ikon fara baka, juriya na zaizayar baka, da kwanciyar hankali da sarrafawa.
Muna da ikon kera W-La, W-Ce, WY, W-Th da sauran oxidized rare earth tungsten. An fi amfani da su azaman electrodes da cathodes a yawancin aikace-aikace. Oxides da aka ƙara zuwa tungsten sun ƙara yawan zafin jiki na recrystallization kuma, a lokaci guda, suna haɓaka matakin fitarwa ta hanyar rage aikin aikin lantarki na tungsten electrode.
Potassium-doped Tungsten ( Tungsten-potassium ko WK)
Potassium (K) -doped W ya ƙunshi nano-kumfa a kan tsari na ppm zai iya hana motsi na iyakoki na hatsi da rarrabuwa, suna haifar da ƙarfafawa a babban zafin jiki da kuma dakatar da recrystallization kuma zai iya samar da hatsi mafi kyau idan aka kwatanta da tsabta W. Wannan hatsi. tsaftacewa kuma yana haifar da ƙarfafawa da ƙarfafawa. Bugu da ƙari, ana sa ran za a iya dakatar da ƙaddamarwar neutron-irradiation-induced embrittlement a cikin K-doped W idan aka kwatanta da W mai tsabta saboda yana ƙunshe da adadi mai yawa na iyakoki na hatsi waɗanda ke aiki a matsayin nutsewa don lahani da aka kafa ta hanyar sakawa na neutron.
Tungsten (W) ana ɗaukarsa a matsayin ɗaya daga cikin ƴan takara masu ban sha'awa a tsakanin kayan da ke fuskantar plasma (PFMs) saboda ƙayyadaddun kaddarorin sa, kamar ƙarancin riƙe isotope na hydrogen, ƙarancin ɗimbin tsiro da babban wurin narkewa. Koyaya, koma baya, irin su babban zafin jiki na ductile-to-brittle (DBTT), raguwa a ƙananan zafin jiki da raguwa saboda iskar neutron sune cikas ga aikace-aikacen injiniya na tungsten. Zane-zanen gami na tushen W tare da ductile dopants hanya ce mai inganci don rage waɗannan rashin lahani. Potassium doping ya riga ya tabbatar da ingancinsa wajen dakile recrystallization na biyu da sarrafa haɓakar hatsi har zuwa 1900 ° C a cikin wayoyi masu bakin ciki na tungsten, don haka yana nuna kaddarorin ban mamaki a yanayin zafi. Potassium-doped (K-doped) tungsten babban abu ya zama ɗan takara mai ban sha'awa don kayan da ke fuskantar plasma shima. An ba da rahoton cewa K-doped tungsten da aka ƙera tare da sparking plasma sintering (SPS) yana nuna kyakkyawan yanayin zafi, da kuma kaddarorin injiniyoyi masu ƙarfi a yanayin zafi daga RT zuwa 50 ° C.
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