Kev tsim cov magnesium alloy ingots suav nrog ntau cov kauj ruam, suav nrog kev pib rho tawm ntawm magnesium, alloying nrog lwm cov ntsiab lus, thiab tom qab ntawd muab pov rau hauv ingots. Ntawm no yog ib qho kev piav qhia ntawm cov kauj ruam tseem ceeb hauv kev tsim khoom:
1. Kev npaj raw khoom
Extraction ntawm Magnesium:
Electrolytic Reduction:Thawj txoj hauv kev rau kev rho tawm magnesium yog qhov txo qis ntawm magnesium chloride (MgCl₂) muab tau los ntawm dej hiav txwv lossis dej brine.
Thermal txo:Lwm txoj hauv kev yog thermal txo los ntawm dolomite lossis magnesite, qhov twg magnesium oxide txo qis siv carbon.
2. Txheej txheem Alloying
Kev xaiv ntawm Alloying Elements:Xaiv cov ntsiab lus alloying tsim nyog raws li cov khoom xav tau ntawm qhov kawg magnesium alloy. Common alloying ntsiab muaj xws li:
Aluminium (Al)
Zinc (Zn)
Manganese (Mn)
Silicon (Si)
Copper (Cu)
Melting:Cov hlau magnesium yog yaj hauv lub cub tawg, feem ntau yog hluav taws xob hluav taws xob lossis hluav taws xob. Lub cub tawg ib puag ncig feem ntau tswj kom txo qis oxidation thiab paug. Lub melting kub rau magnesium yog hais txog 650-750 degree (1200-1400 degree F).
3. Casting
Kev npaj ntawm Moulds:Pwm yog npaj rau txheej txheem casting. Pwm tuaj yeem ua los ntawm hlau lossis xuab zeb thiab preheated kom txo qis thermal poob siab thiab oxidation.
Ncuav:Cov molten magnesium alloy yog ua tib zoo hliv rau hauv pwm los tsim cov ingots. Qhov no tuaj yeem ua tiav siv ntau txoj kev casting xws li:
Tuag Casting:Haum rau high-volume ntau lawm nrog intricate duab.
Sand Casting:Rau cov duab loj dua los yog yooj yim dua.
Nruam Casting:Rau tsim ntev ntev ntawm ingots.
4. Cooling thiab Solidification
Cia lub molten alloy kom txias thiab solidify nyob rau hauv pwm. Tus nqi cua txias yuav raug tswj kom ua kom zoo dua microstructure ntawm cov hlau.
Tom qab casting, cov pwm raug tshem tawm thaum cov ingots tau txias txaus.
5. Kev kho cua sov (yeem)
Raws li cov alloy thiab cov khoom xav tau, cov ingots tuaj yeem raug kho cua sov txheej txheem xws li:
Kev kho mob:Ua kom yaj cov theem soluble.
Kev laus:Txhawm rau txhim kho lub zog los ntawm nag lossis daus ntawm theem ob.
6. Kev kho saum npoo (yeem)
Qhov saum npoo ntawm cov ingots yuav raug kho los txhim kho corrosion los yog txhim kho qhov zoo, xws li ntxuav, txheej, los yog anodizing.
7. Kev Tswj Xyuas Zoo
Ua ntau yam kev ntsuam xyuas kom ntseeg tau tias cov ingots ua tau raws li cov qauv zoo, suav nrog:
Tshuaj ntsuam xyuas:Kom paub meej tias muaj pes tsawg leeg.
Mechanical Testing:Los xyuas kom meej lub zog, ductility, thiab hardness.
Microstructural Analysis:Txhawm rau tshuaj xyuas qhov tsis xws luag lossis theem tsis xav tau.
8. Cia thiab Dispatch
Tom qab kev tswj xyuas zoo, cov magnesium alloy ingots raug muab khaws cia kom zoo thiab npaj rau kev xa khoom lossis kev ua haujlwm ntxiv.
