Lithupa tsa Tungsten Copper Alloy
Tlhaloso
Copper tungsten (CuW, WCu) e 'nile ea nkoa e le thepa e kopantsoeng e sebetsang haholo le e thibelang ho senya e sebelisoang haholo e le li-electrode tsa koporo tsa tungsten ho EDM machining le lik'hamera tsa ho hanyetsa, likhokahano tsa motlakase lits'ebetsong tse phahameng tsa motlakase, le lijana tsa mocheso le lisebelisoa tse ling tsa elektronike. lits'ebetsong tsa mocheso.
Likarolo tse tloaelehileng tsa tungsten / koporo ke WCu 70/30, WCu 75/25, le WCu 80/20.Liqapi tse ling tse tloaelehileng li kenyelletsa tungsten / koporo 50/50, 60/40, le 90/10.Mefuta e mengata ea lipina tse fumanehang e tsoa ho Cu 50 wt.% ho ea ho Cu 90 wt.%.Sehlahisoa sa rona sa koporo sa tungsten se kenyelletsa molamu oa koporo oa tungsten, foil, lakane, poleiti, tube, molamu oa koporo oa tungsten le likarolo tse entsoeng ka mochini.
Thepa
| Sebopeho | Botenya | Motlakase Conductivity | CTE | Thermal Conductivity | Ho thatafala | Mocheso o khethehileng |
| g/cm³ | IACS % Min. | 10-6K-1 | W/m · K-1 | HRB Min. | J/g · K | |
| WCu 50/50 | 12.2 | 66.1 | 12.5 | 310 | 81 | 0.259 |
| WCu 60/40 | 13.7 | 55.2 | 11.8 | 280 | 87 | 0.230 |
| WCu 70/30 | 14.0 | 52.1 | 9.1 | 230 | 95 | 0.209 |
| WCu 75/25 | 14.8 | 45.2 | 8.2 | 220 | 99 | 0.196 |
| WCu 80/20 | 15.6 | 43 | 7.5 | 200 | 102 | 0.183 |
| WCu 85/15 | 16.4 | 37.4 | 7.0 | 190 | 103 | 0.171 |
| WCu 90/10 | 16.75 | 32.5 | 6.4 | 180 | 107 | 0.158 |
Likaroloana
Nakong ea ho etsoa ha koporo ea tungsten alloy, tungsten e phahameng ea bohloeki e hatelloa, e silafatsoa ebe e kenngoa ka koporo e se nang oksijene ka mor'a mehato ea ho kopanya.The consolidated tungsten koporo alloy e fana ka microstructure homogeneous le boemo bo tlaase ba porosity.Motsoako oa conductivity ea koporo le matla a phahameng a tungsten, ho thatafala, le ntlha e phahameng ea ho qhibiliha ho hlahisa motsoako o nang le litšobotsi tse ngata tse hlaheletseng tsa likarolo tseo ka bobeli.Tungsten e kenngoeng ka koporo e ithorisa ka lintho tse kang ho hanyetsa mocheso o phahameng le ho khoholeha ha arc, conductivity e ntle ea mocheso le motlakase le CTE e tlaase (coefficient of thermal).
Thepa ea 'mele le ea mochini le ntlha e qhibilihang ea thepa ea koporo ea tungsten e tla ameha ka mokhoa o motle kapa o fapaneng ka ho fapana ha palo ea tungsten ea koporo ka har'a motsoako.Ka mohlala, ha lintho tsa koporo li ntse li eketseha butle-butle, motlakase le mocheso oa motlakase le katoloso ea mocheso li bontša tšekamelo ea ho ba matla.Leha ho le joalo, boima, ho hanyetsa motlakase, boima le matla li tla fokolloa ha li kenngoa ka koporo e fokolang.Ka hona, motsoako o nepahetseng oa lik'hemik'hale ke oa bohlokoa ka ho fetesisa ha ho nahanoa ka koporo ea tungsten bakeng sa tlhoko e khethehileng ea kopo.
Katoloso e tlase ea mocheso
High thermal le motlakase conductivity
Khanyetso e phahameng ea arc
Tšebeliso e tlaase
Lisebelisoa
Tšebeliso ea koporo ea Tungsten (W-Cu) e eketsehile ka mokhoa o hlakileng masimong le lits'ebetsong tse ngata ka lebaka la thepa ea eona e ikhethang ea mochini le thermophysical.Lisebelisoa tsa koporo tsa Tungsten li bonts'a ts'ebetso e phahameng e phahameng maemong a thata, matla, conductivity, mocheso o phahameng le ho hanyetsa khoholeho ea arc.E 'nile ea sebelisoa haholo bakeng sa tlhahiso ea likhokahano tsa motlakase, licheso tsa mocheso le li-spreaders, li-electrode tsa EDM tse bolaeang le li-nozzles tsa ente ea mafura.
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