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Aug 07, 2025

IiPropati zoMzimba zeTungsten

I-Tungsten ikhona ngeendlela ezimbini: kunye. Phantsi kweemeko eziqhelekileyo, oko kukuthi, ubushushu begumbi kunye noxinzelelo, -uhlobo lwe-tungsten lubonisa umzimba ozinzile{4}}isakhiwo esisembindini se-cubic{5}}uhlobo lwe-tungsten, kwelinye icala, lunokubakho kuphela ngokuzinzileyo kwindawo ye-oksijini, kwaye uluhlu lwayo oluzinzileyo lulinganiselwe ukuya ngaphantsi kwe-630 degree. Ngaphezulu kobu bushushu, izakutshintsha ngokungenakubuyiseka ibe kuhlobo -.

Ukongeza, i-tungsten ineeparameters zomzimba ezigqwesileyo, kubandakanya ukuxinana okuphezulu (35g/cm³), indawo yokunyibilika ephezulu (3422 degree) kunye nenqanaba lokubilisa (5927 degree). Ukuqina kwayo kwakhona kuyamangalisa, ukufikelela kwi-5, kwaye inomlinganiselo ophantsi wePoisson (28). Kwiimvavanyo zobunzima, i-tungsten ibonisa ubunzima be-Vickers be-3430MPa kunye nobunzima be-Brinell be-2570MPa. Ukongezelela, iipropati ze-thermal ze-tungsten azikwazi ukuhoywa. Ubushushu bayo bokudibanisa yi-3kJ / mol kwaye ubushushu bayo bomphunga buphezulu njenge-807kJ / mol.

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