Tlhaloso
Niobium Carbide NbC,phofo e sootho e bobebe, e nang le mofuta oa sodium chloride cubic crystal system, ntlha e qhibilihang ke 3490 ° C, ntlha e belang 4300 ° C, density 7.56g / cm3, ha e qhibilihe ka metsing le ho inorganic acid, empa e qhibiliha ka har'a asiti e tsoakiloeng ea hydrofluoric acid le nitric acid 'me e ka bola.Niobium Carbide e ke ke ea sebelisoa feela e le tlatsetso ho thibela kholo ea lijo-thollo tsa alloy ho lokisa lijo-thollo tse samenteng tsa carbide ha ho etsoa carbide e entsoeng ka samente, empa hape e theha karolo ea boraro e hasantsoeng le li-carbide tse ling ntle le WC le Co, e ka ntlafatsang haholo. boima ba mocheso, ho hanyetsa mocheso oa mocheso, ho hanyetsa ho chesang ha mocheso le khanyetso ea oxidation ea carbide e entsoeng ka samente.Ka melemo ea ho ntlafatsa ho thatafala le ho thatafala ha fracture ea alloy, e ka sebelisoa ho lokisa lisebelisoa tsa carbide tse entsoeng ka samente tse nang le ts'ebetso e ntle ea ho itšeha.Ntle le moo, ho ba sebaka se phahameng sa ho qhibiliha, boima bo phahameng le botsitso ba lik'hemik'hale, NbC e boetse e sebelisoa e le thepa e hanyetsanang le mocheso o phahameng le thepa ea ho roala ka har'a indasteri ea sefofane.
Phano
Niobium Carbide NbC le Tantalum Carbide TaC ho Western Minmetals (SC) Corporation e ka tsamaisoa ka boholo ba phofo ea 0.5-500 micron kapa 5-400 mesh kapa e le sekhetho se ikhethileng, sephutheloana sa 25kg, 50kg ka mokotleng oa polasetiki o nang le moqomo oa tšepe kantle.
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Tlhaloso ea Setsebi
Che. | Ntho | Tlhaloso e Tloaelehileng | |||||||
1 | Lihlahisoa | Cr3C2 | NbC | TaC | TiC | VC | ZrC | HfC | |
2 | Litaba % | Kakaretso ea C ≥ | 12.8 | 11.1 | 6.2 | 19.1 | 17.7 | 11.2 | 6.15 |
Mahala C ≤ | 0.3 | 0.15 | 0.1 | 0.3 | 0.5 | 0.5 | 0.3 | ||
3 | Lik'hemik'hale Ho se hloeke PCT Max e 'ngoe le e' ngoe | O | 0.7 | 0.3 | 0.15 | 0.5 | 0.5 | 0.5 | 0.5 |
N | 0.1 | 0.02 | 0.02 | 0.02 | 0.1 | 0.05 | 0.05 | ||
Fe | 0.08 | 0.05 | 0.05 | 0.05 | 0.05 | 0.05 | 0.05 | ||
Si | 0.04 | 0.01 | 0.01 | 0.02 | 0.01 | 0.005 | 0.005 | ||
Ca | - | 0.005 | 0.01 | 0.01 | 0.01 | 0.05 | 0.05 | ||
K | 0.005 | 0.005 | 0.005 | 0.005 | 0.005 | 0.005 | 0.005 | ||
Na | 0.005 | 0.005 | 0.005 | 0.01 | 0.01 | 0.005 | 0.005 | ||
Nb | 0.01 | - | 0.01 | 0.01 | 0.01 | 0.005 | 0.005 | ||
Al | - | 0.005 | 0.01 | - | - | - | - | ||
S | 0.03 | - | - | - | - | - | - | ||
4 | Boholo | 0.5-500micron kapa 5-400mesh kapa ka mokhoa o hlophisitsoeng | |||||||
5 | Ho paka | 2kgs ka mokotleng o kopaneng o nang le moqomo oa tšepe kantle, 25kgs net |
Tantalum Carbide TaC, phofo ea 'mala o sootho, sebopeho sa kristale ea cubic ea mofuta oa sodium chloride, boima ba limolek'hule 192.96, boima ba 14.3g/cm3, ntlha ea ho qhibiliha 3880 ° C, ntlha e belang 5500 ° C, ha e qhibilihe ka metsing le ka li-inorganic acid, 'me e ka qhibiliha ka motsoako oa hydrofluoric acid le nitric acid le ho bola.Tantalum Carbide e bapala karolo ea bohlokoa ho thibela kholo ea lijo-thollo le ho ntlafatsa ho thatafala ho khubelu le ho roala ho hanyetsa ha motsoako, ho matlafatsa khanyetso ea oxidation le khanyetso ea kutu ea alloy le ho ntlafatsa sebopeho sa motsoako.Ka botsitso bo phahameng ba lik'hemik'hale le sebopeho sa mocheso o phahameng, TaC ke tlatsetso ea bohlokoa ho lijo-thollo tse ntle tsa kristale tsa WC bakeng sa sesebelisoa sa ho itšeha ka boima bo boholo bo ts'oanang le daemane.E ka boela ea fana ka khanyetso e kholo ho mocheso ho fihlela ho 3880 ° C, 'me e fumana lisebelisoa tse pharaletseng masimong a kang li-alloys tse thata, lipakane, lisebelisoa tsa ho tjheseletsa, li-cermets, lisebelisoa tsa elektronike, mechine le indasteri ea lifofane.
Malebela a Theko
Tantalum Carbide TaC Niobium Carbide NbC