“Abasore Bakomeye” mu Byuma Bidasanzwe

“Abasore Bakomeye” mu Byuma Bidasanzwe

Mu muryango wibyuma bidasanzwe, hariho abanyamuryango benshi bafite "imico yinangiye".Ntibafite gusa ingingo zo gushonga gusa, ariko kandi bafite imbaraga zo kurwanya ruswa kandi ntabwo byoroshye okiside mu kirere, bityo bitwa "abasore bakomeye" mubyuma.

Gushongatungstenni hejuru ya 3410 ° C, ikaba ari yo hejuru cyane mu byuma byose, bityo irashobora gukoreshwa nk'ibikoresho bya filime.Kwihanganira ubushyuhe bwo hejuru bwa 2000 ° C ni agace ka keke ya tungsten.Ibyuma bya tungsten bikoreshwa cyane cyane muri karbide ya sima, ibyuma bidasanzwe nibindi bicuruzwa, kandi bikoreshwa cyane mubikorwa byo kurinda umutekano, ikirere, inganda zamakuru, kandi abantu bamwe babiha izina ry "iryinyo ryinganda".

Ingingo ya kabiri yo gushonga ni rhenium yicyuma, ni 3180 ℃.Birakwiye kuvuga ko rhenium ari ikintu kidasanzwe rwose.Ibirimo mubutaka bwisi ntibisanzwe kandi biratatanye, gusa birenze ibya protactinium na radium.Kubwibyo, nikintu cyanyuma kiboneka muri kamere.Kuva Mendeleev yavumbura amategeko yigihe cyibintu, abahanga bananiwe kuyibona mugihe kirenga igice cyikinyejana kugeza igihe yavumbuwe naba chimiste bo mubudage mumwaka wa 1925.

Ingingo ya gatatu yo gushonga ni icyuma osmium, ni 3045 ℃.Muri icyo gihe, ni nicyuma kiremereye cyane muri kamere, gifite ubucucike bugera kuri 22.4 g / cm3.Ku mwanya wa kane ni tantalum yicyuma, ifite aho ishonga ya 2996 ° C.

Ibyuma bifite aho bishonga hejuru ya 2000 ° C, kimwe na molybdenum, hafnium, nibindi.Molybdenumni ikintu cyingenzi cyingenzi kubantu, inyamaswa n'ibimera.Umubare wa molybdenum wose uri mu mubiri wumuntu mukuru ni mg 9, hamwe nibintu byinshi mwumwijima nimpyiko.Ibimera birashobora gutunganya azote ikorwa na molybdenum hanyuma igahindura azote muburyo bushobora kwinjizwa.Molybdenum ikoreshwa cyane mugutunganya ibyuma bitandukanye bivanze, ibyuma bitagira umwanda, ibyuma birwanya ubushyuhe hamwe na super alloys.Ikoreshwa cyane mu nganda za gisirikare kandi izwi kandi nka "ibyuma by'intambara".Ingingo yo gushongahafniumni 2233 ° C.Twabibutsa ko amavuta ya hafnium, Ta4fC5, aribintu bifite aho bizwi cyane gushonga, hafi 4215 ° C.

Chengdu Huarui Inganda, Ltd. 

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Igihe cyo kohereza: Jun-06-2022