"Izinsizwa Eziqinile" ku-Rare Metals

"Izinsizwa Eziqinile" ku-Rare Metals

Emndenini wensimbi ongavamile, kunamalungu amaningi "anabantu abanenkani".Abagcini nje ngokuba namaphuzu aphezulu okuncibilika, kodwa futhi banokumelana nokugqwala okuqinile futhi abafakwa i-oxidized kalula emoyeni, ngakho babizwa ngokuthi "abafana abaqinile" ezinsimbi.

Iphuzu lokuncibilika kwei-tungsteniphakeme njenge-3410 ° C, ephakeme kunazo zonke izinsimbi, ngakho-ke ingasetshenziswa njenge-filament material.Ukumelana nezinga lokushisa eliphezulu lika-2000°C ucezu lwekhekhe le-tungsten.I-Metal tungsten isetshenziswa kakhulu ku-carbide enosimende, insimbi ekhethekile neminye imikhiqizo, futhi isetshenziswa kabanzi embonini yezokuvikela, i-aerospace, imboni yolwazi, futhi abanye abantu bayinikeza isihloko esithi "izinyo lomkhakha".

Indawo yesibili yokuncibilika i-rhenium yensimbi, engu-3180 ℃.Kuhle ukusho ukuthi i-rhenium iyisici esingavamile ngempela.Okuqukethwe kwayo oqweqweni lomhlaba kuyivelakancane kakhulu futhi kuhlakazekile, kuphakeme kuphela kune-protactinium ne-radium.Ngakho-ke, iyisici sokugcina esitholakala emvelweni.Njengoba uMendeleev athola umthetho wezakhi zezikhathi ezithile, ososayensi bahluleka ukuwuthola isikhathi esingaphezu kwengxenye yekhulu leminyaka waze watholwa osokhemisi baseJalimane ngo-1925.

Iphuzu lesithathu lokuncibilika i-osmium yensimbi, engu-3045 ℃.Ngesikhathi esifanayo, futhi iyinsimbi esinda kakhulu ngokwemvelo, enobuningi obufika ku-22.4 g/cm3.Endaweni yesine kukhona i-tantalum yensimbi, enephuzu lokuncibilika elingu-2996°C.

Izinsimbi ezinezinga elincibilikayo elingaphezu kuka-2000 ° C, kanye ne-molybdenum, i-hafnium, njll.I-Molybdenumiyisici esibalulekile sokulandelela abantu, izilwane nezitshalo.Isamba senani le-molybdenum eliqukethwe emzimbeni womuntu omdala lingu-9 mg, elinokuqukethwe okuphezulu kakhulu esibindini nasezinso.Izitshalo zingalungisa i-nitrogen ngaphansi kwesenzo se-molybdenum futhi ziguqule i-nitrogen ibe uhlobo olungamuncwa.I-Molybdenum isetshenziselwa ikakhulukazi ukucwenga izinsimbi ezihlukahlukene ze-alloy, izinsimbi ezingenasici, izinsimbi ezikwazi ukumelana nokushisa kanye nama-alloys amakhulu.Isetshenziswa kabanzi embonini yezempi futhi yaziwa nangokuthi "insimbi yempi".Indawo yokuncibilika kwensimbii-hafniumku-2233°C.Kuyafaneleka ukubalula ukuthi ingxubevange ye-hafnium, i-Ta4fC5, iyinto enephuzu lokuncibilika eliphakeme kakhulu elaziwayo, cishe elingu-4215°C.

I-Chengdu Huarui Industrial Co., Ltd. 

Email: sales.sup1@cdhrmetal.com 

Ucingo: +86-28-86799441


Isikhathi sokuthumela: Jun-06-2022