NiNb Nickle Niobium tus tswv hlau NiNb60 NiNb65 NiNb75 hlau
Cov Khoom Siv
| Nickel Niobium Master Alloy | ||||||||
| Spec (loj: 5-100 hli) | ||||||||
| Nb | S | P | Ni | Fe | Ta | Si | C | Al |
| 55-66% | 0.01% siab tshaj plaws | 0.02% siab tshaj plaws | Qhov Nyiaj Tshuav | 1.0% siab tshaj plaws | 0.25% siab tshaj plaws | 0.25% siab tshaj plaws | 0.05% siab tshaj | 1.5% siab tshaj plaws |
| Ti | N | O | Pb | As | BI | Sn |
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| 0.05% siab tshaj plaws | 0.05% siab tshaj plaws | 0.1% siab tshaj plaws | 0.005% siab tshaj plaws | 0.005% siab tshaj | 0.005% siab tshaj plaws | 0.005% siab tshaj plaws |
| |
Daim Ntawv Thov
1. Feem ntau siv ua lub nodularizer rau kev tsim cov hlau cam khwb cia.
2. Cov Magnesium hauv Ni-Nb tuaj yeem ntxiv rau hauv cov hlau molten kom zoo dua thiab muaj kev nyab xeeb kom khaws cov zis thiab cov khoom tshwj xeeb ntawm cov hlau cam khwb cia.
3. Cov Nb tuaj yeem yaj hauv cov hlau nickel heev yam tsis muaj kev sib cais, thiab qhov kev ua haujlwm qeeb ntawm Nb hauv cov hlau molten ua rau nws tus kheej ua cov khoom siv tau zoo, pheej yig thiab muaj kev nyab xeeb hauv cov hauv paus. Piv nrog rau lwm cov khoom siv tsis muaj Nb, nws muaj kev rov zoo dua thiab tuaj yeem ua kom ntseeg tau tias kev tsim khoom ruaj khov.
4. Cov Nickel hauv Ni-Nb alloys ua haujlwm ua graphitizator thiab perlite stabilizer, yog li lub zog tensile thiab cov khoom siv kho tshuab ntawm cov khoom siv tuaj yeem txhim kho. Tsis tas li ntawd nrog daim ntawv thov ntawm Ni-Nb, qhov sib txawv ntawm lub teeb thiab hnyav casting daim raug txo qis hauv kev tsim khoom. Ntxiv mus, nws muaj cov nyhuv zoo heev hauv austenite thiab bainite ductile cast iron.
Cov khoom cuam tshuam
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