Raws li cov chaw tsim khoom lag luam ntawm high-huv hlau, peb hais txog qhov tseem ceeb ntawm kev siv biocompatibility, tswj hwm cov qib, thiab cov ultra tsis loj hlob ntau. Hauv qab no, peb tshawb xyuas lawv cov txheej txheem sib txawv, cov txheej txheem ntau lawm, thiab kho cov hlau qib qib yog cov lus tsis sib xws nrog cov qauv kho mob.
1. Composterition Txawv: Purity Qhia Txog Kev Ua Tau Zoo
Cov tub ntxhais sib txawv lus dag nyob rau hauv cov ntsiab lus tsis raug neeg tawg, uas ncaj qha cuam tshuam cov khoom muaj kev nyab xeeb thiab kev ua haujlwm.
|
Lub ntsiab |
Kws kho mob-qib ntshiab hlau |
Rau Cov Hlau |
|
Hlau (FE) |
Ntau dua los yog sib npaug rau 99.98% |
95–99.5% |
|
Carbon (c) |
<0.005% |
1.5–4.5% |
|
Sulphur (s) |
<0.001% |
0.02–0.1% |
|
Phosphorus (p) |
<0.002% |
0.05–0.5% |
|
Cov pa (O) |
<10 ppm |
100-500 PPM |
|
Lw Hlau |
Cr, ni, cu<0.001% each |
Cr, Mn, Si >0.1% |
Tseem Ceeb:
- Cov ntsiab lus carbon: Ua kom muaj cov hlau (piv txwv li cov hlau loj (1.5-4.5%), ua rau nkev thiab tsis haum rau cov cuab yeej kho mob. Cov Kws Kho Mob Kab Mob Hlau's Ultra-Tsawg Carbon-Tsawg (<0.005%) ensures flexibility and prevents fractures in implants like stents.
- Cov tshuaj lom neeg tsis txaus ntseeg: leej faj, phosphorus, thiab trace hlau tuaj yeem ua rau cov neeg muaj kev phom sij-ni) tsawg dua cov kev pheej hmoo no los ntawm kev ua kom zoo dua qub.
- Oxygen Control: Kws Kho Mob Hlau Ua kom muaj cov pa oxygen hauv qab no 10 ppm kom tsis txhob muaj kev ntxhov siab oxygen ua kom nrawm nrawm nrawm thiab ua rau tsis muaj teeb meem.
2. Cov Txheej Txheem Ntau Lawm: Precision vs. Bulk SMELINGING
Cov hau kev tsim khoom rau cov ntaub ntawv sib txawv, muaj kev cuam tshuam kev coj dawb huv thiab kev thov kom haum.
Kws kho mob-qib ntshiab hlau
- Txo kom txo ncaj qha & electrolytic ua kom zoo nkauj: hlau ore yog txo kom tshem tawm cov carbonen kom ua tiav 99.98% + purity.
- Nqus kev Induction melting (Vim): Tshem tawm cov khoom tsis zoo (O₂, H₂, h₂) thiab ua kom zoo nkauj microstructure.
- Slag Refining: High-Bas-Basy Slag tshem phosphorus phosphorus thiab trace hlau, tseem ceeb rau biocompatibility.
Rau Cov Hlau
- Maiv rwg ua kom sov smelting: kev cia siab rau Coke thiab limestone, qhia cov txiv ntoo, thiab cov pa roj carbon rau hauv cov hlau molten. Residual impurities zoo li silica thiab alumina daim ntawv slag tab sis nyob twj ywm tshem tawm.
- Cov pa hluav taws xob ua pa hluav taws xob (bof): txo cov ntsiab lus carbon: {1}} .5%, tab sis khaws txoj kab kev tsis haum rau kev siv kho mob.
Vim li cas nws tseem ceeb:
Cov txheej txheem ua haujlwm sov qib ua ntej ua ntej cov nqi ua ntej thiab ntsuas kev ua kom huv. Cov Kho Mob Ntaus Ntawv Kho kom raug tshem tawm cov impurities ntawm qib atomic, uas yog unachievable nrog cov ntxhiab tsw smelting.
3. Kev Siv Khoom Siv Kho Mob: Biocompatibility & Kev Tswj Daus
Cov Kws Kho Mob ntshiab yog engineed rau biodegradable iltants, orthopedic steels), uas tswj tau cov nqaij mos thiab cov nqaij sib xyaw ua ke.
-Cov muaj kev cuam tshuam los ntawm kev ua ke ntawm kev ua ntej ({{}. 2 Cov Hluav Taws Xob-Qib Iron lub impet ua kom nrawm, pheej hmoo ua ntej ua tsis tiav lossis lom ion tso tawm.
- Biocompatibility: ultra-low hlau hlau tuaj tiv thaiv kev tiv thaiv tsis taus. Piv txwv li, chromium nyob rau hauv cov hlau qib kawm tuaj yeem ua rau kev ua xua, nws tsis tsim nyog nws rau kev cog hniav.
- MRI sib xyaw: Kho Mob-Cov Khoom Siv Hlau Cov Khoom Siv Hluav Taws Xob kom tsis muaj kev cuam tshuam nrog MRI cov duab, tsis zoo li cov tshuaj tua kab mob ferromagnetic.
4. Tus nqi vs. Tus nqi: Vim li cas lub cub-qib hlau ua tsis tiav
Thaum pib ua taws-qib hlau yog pheej yig dua, nws cov lus tsis txaus ntseeg hauv kev kho mob yog irrededemable:
- Kev tswj hwm tsis ua raws: ASTM F138 \/ F138 tus qauv rau kev phais mob impurity thresh tswj cov hlau tsis tuaj yeem sib ntsib.
- Kev ua haujlwm tom qab ua tiav: Kev sim ua kom huv cov qauv tshuaj kho mob xws li lub tshuab nqus tsev ARC, tsis pub muaj lub tshuab nqus tsev.
Kws kho mob-qib ntshiab hlau lub puradation, thiab biocompatibility ua nws irreplaceable hauv kev kho mob. Cov hlau ua kom muaj hlau, tsim los tsim kho thiab tshuab, tsis muaj qhov xav tau rau cov neeg muaj kev nyab xeeb.
