Tungsten Alloy ke mofuta oa lisebelisoa tsa alloy tse nang le tungsten ea tšepe ea phetoho (W) joalo ka karolo e thata le nickel (Ni), tšepe (Fe), koporo (Cu) le likarolo tse ling tsa tšepe e le mohato oa ho kopanya. E na le thepa e ntle haholo ea thermodynamic, lik'hemik'hale le motlakase 'me e sebelisoa haholo ts'ireletso ea naha, sesole, sefofane, sefofane, likoloi, bongaka, lisebelisoa tsa elektronike le tse ling. Lintho tsa mantlha tsa li-alloys tsa tungsten li hlahisoa haholo ka tlase.
1. Boima bo phahameng
Density ke boima ka yuniti bomo ea ntho le tšobotsi ea ntho. E amana feela le mofuta oa ntho 'me ha e amane letho le boima ba eona le bophahamo ba eona. Boima ba tungsten alloy ka kakaretso ke 16.5 ~ 19.0g/cm3, e leng boholo ba tšepe e fetang habeli. Ka kakaretso, ha maemo a tungsten a phahame kapa a theolela tlaase ho tšepe e tlamahanoang, 'me alloy ea tungsten e phahame; Ho fapana le hoo, letsoalo la alloy le tlase. Boima ba 90W7Ni3Fe bo ka ba 17.1g/cm3, ba 93W4Ni3Fe bo ka ba 17.60g/cm3, le ba 97W2Ni1Fe bo ka bang 18.50g/cm3.
2. Sebaka se phahameng sa ho qhibiliha
Melting point e bolela mocheso oo ntho e fetohang ho tloha ho tiileng ho ea ho metsi ka tlas'a khatello e itseng. Sebaka se qhibilihang sa tungsten alloy se batla se phahame, hoo e ka bang 3400 ℃. Sena se bolela hore lisebelisoa tsa alloy li na le mocheso o motle oa ho hanyetsa 'me ha ho bonolo ho qhibiliha.
3. Boima bo phahameng
Ho thatafala ho bolela bokhoni ba lisebelisoa ho hanela deformation ea indentation e bakoang ke lintho tse ling tse thata, 'me ke e' ngoe ea matšoao a bohlokoa a ho hanyetsa ho apara ha thepa. Ho thatafala ha motsoako oa tungsten hangata ke 24 ~ 35HRC. Ka kakaretso, ha tungsten e phahame kapa e theolela tlaase tšepe e tlamahanoang, ho thatafala ha motsoako oa tungsten le ho hanyetsa ho apara hantle; Ho e-na le hoo, ha boima ba alloy bo fokotseha, ho mpefala ha ho apara ho hanyetsa. Ho thatafala ha 90W7Ni3Fe ke 24-28HRC, ea 93W4Ni3Fe ke 26-30HRC, 'me ea 97W2Ni1Fe ke 28-36HRC.
4. Ductility e ntle
Ductility e bolela bokhoni ba polasetiki ba deformation ea thepa pele ho petsoha ka lebaka la khatello ea kelello. Ke bokhoni ba lisebelisoa ho arabela khatellong ea maikutlo le ho holofala ka ho sa feleng. E angoa ke lintlha tse kang karo-karolelano ea thepa e tala le theknoloji ea tlhahiso. Ka kakaretso, ha tungsten e phahame kapa e theolela tlaase tšepe e tlamahanoang, ho fokotseha ha li-alloys tsa tungsten; Ho fapana le hoo, elongation ea alloy ea eketseha. Bolelele ba 90W7Ni3Fe ke 18-29%, ea 93W4Ni3Fe ke 16-24%, 'me ea 97W2Ni1Fe ke 6-13%.
5. Matla a phahameng a tsitsipano
Matla a thata ke boleng ba bohlokoa ba phetoho ho tloha ho deformation ea polasetiki e ts'oanang ho ea ho deformation ea polasetiki e kentsoeng sebakeng sa heno, hammoho le matla a phahameng a ho jara thepa tlasa maemo a tsitsipano a tsitsitseng. E amana le sebopeho sa thepa, karo-karolelano ea thepa e tala le lintlha tse ling. Ka kakaretso, matla a tsitsipano a li-alloys tsa tungsten a eketseha ka keketseho ea litaba tsa tungsten. Matla a 90W7Ni3Fe ke 900-1000MPa, 'me a 95W3Ni2Fe ke 20-1100MPa;
6. Ts'ebetso e babatsehang ea ho sireletsa
Ts'ebetso ea tšireletso e bolela bokhoni ba lisebelisoa ho thibela mahlaseli. Tungsten alloy e na le ts'ebetso e ntle ea ts'ireletso ka lebaka la letsoalo la eona le phahameng. Boima ba tungsten alloy ke 60% e phahameng ho feta ea lead (~ 11.34g/cm3).
Ho feta moo, li-alloys tsa tungsten tse nang le matla a phahameng ha li na chefo, ha li na tikoloho, ha li na mahlaseli a kotsi, li-coefficient tse tlase tsa ho eketsa mocheso le conductivity e ntle.
Nako ea poso: Jan-04-2023