Qhov zoo thiab txwv ntawm Molybdenum Phaj
Qhov Zoo:
1.} Cov kub zoo heev
Molybdenum sement muaj lub ntsiab lus melting txog 2620℃thiab tuaj yeem tswj cov tshuab nqus dej siab dua 1200℃rau cov tshuab nqus tsev cua sov thiab aerospace nozzles.
2.} zoo thermal thiab hluav taws xob conductivity
Nws hluav taws xob conduction yog li 30% uas tooj liab, tab sis nws muaj kev ua tau zoo arc yaig tsis kam thiab feem ntau siv nyob rau hauv high-voltage voltical cov ntaub ntawv {}}
3.} muaj zog corrosion tsis kam
Nws muaj zoo corrosion tsis kam rau molten iav, cov hlau ua kua thiab cov acids, thiab nws lub neej hauv cov hlau ua kom zoo tshaj li ntawm cov hlau dog dig {}}
{{0 {}} tsis muaj feem ntawm thermal expansion
Tus nqi hluav taws xob muaj zog tsuas yog 1/3 ntawm tus tooj liab, thiab nws muaj cov khoom siv sib xyaw ua ke nrog cov ntaub ntawv sib xyaw, thiab yog siv nyob rau hauv semiconductor ntim ntim.
LANCOMING:
1.} nyuaj rau cov txheej txheem
The brittleness is significant at room temperature, and it needs to be rolled in a high-temperature environment (>800 Qib), thiab cov cuab yeej siv tau ntau dua 40% siab dua li ntawm cov kev ua dog dig ntawm.
2.} oxidation rhiab
Nws yog ib qho yooj yim rau oxidize los ua Moo3 volatiles saum toj 600 degree, uas yuav tsum muaj kev tiv thaiv argon lossis cov txheej txheem ntxiv,.
3.} txwv kev lag luam
Cov concentration ntawm molybdenum ore cov peev txheej (suav nrog lub ntiaj teb cov kev xav tau (ntau dua 99.}} lub sij hawm uas ntawm 316 stainless hlau.
Cov txheej txheem ntau lawm ntawm Molybdenum Phaj
1.} Npaj cov khoom siv raw
Powder metallurgy method is adopted: molybdenum powder (particle size 2-5μm) is isostatically molded (pressure 200-300MPa) and sintered at 1600-1800 °C under hydrogen protection to obtain a density >92% Molybdenum billet .
2. kub kub duav
Qhov dawb paug yog preheated rau 1200-1400℃thiab maj mam}% defing ib passing (}}}} .
3.}}} txias dov xov
Tom qab qhov ntsuas kub yog txo qis rau chav sov, precision dov yog nqa tawm siv cov phaj plaub nrog lub taub hau ntawm {} lub hli thiab ib qho chaw nyob ntawm li Ra0 {. 8μm.
{{0 {}} kev kho
Pickling (nitric acid + hydrofluoric acid sib tov) kom tshem tawm cov txheej oxide, los yog magnetring txheej los txhim kho oxidation tiv taus.
Cov Ntawv Thov Cov Qauv Ntawm Molybdenum Phaj
1. siv hluav taws xob
Kev tsim khoom lag luam: siv ua rhaub rau Sapphire Crystal Crystal Kev Loj Hlob Rauv (Purity> 99.95%), Cov Cua Sov Fire Txheej Txheem Yuam Kev yog<± 2°C.
Vaj huam sib luag tso tawm cov phiaj xwm tso tawm: 99 . 9}} 99%) yog siv rau tus nqi sputtering ntawm 300nm / min.
2. Cov khoom siv kub-kub
Lub tshuab nqus cua cua sov cog lus: Molybdenum phaj ua tiav rau hauv U-puab cov khoom siv tau mus txog 1800 degree, thiab lub sijhawm pabcuam ntau dua 2000 teev}
Monocrystalline Silicon Cub Cua sov npo tshuaj ntsuam: Ntau-txheej Molybdenum qhov sib txawv ntawm qhov sib txawv radial <5 degree.
3. Nyob hauv thaj teb ntawm lub zog nuclear
Raws li ib tug ceev neutron Reactor Tswj cov khoom siv Qws Qws
4. Tshwj Xeeb Vuam
Molybdenum-tooj liab sib dhos phaj (muaj 30% Cu) yog siv rau cov foob pob hluav taws xob tau nce ntxiv los ntawm 3 zaug .
Cim npe nrov: Molybdenum Ntawv, Tuam Tshoj Molybdenum cov ntaub ntawv tsim khoom, cov chaw muag khoom, Hoobkas
