Nadiifinta sareeysa ee alumina caarada dhoobada ayaa ah qaybo la farsameeyay oo si gaar ah loogu talagalay codsiyada u baahan adkaysi aan caadi ahayn, xasilloonida kulaylka, iyo iska caabinta kiimikada. Waxqabadku kama hooseeyo midka Zirconia ceramic & Aluminium Nitride ceramic. Haddii loo isticmaalo mishiinada warshadaha, nidaamyada hawada sare, ama wax soo saarka saxda ah, boolal dhogorta dhoobada ahi waxay bixiyaan beddelka biraha dhaqameedka, isku-darka xoogga iyo dabeecad la'aanta. Halabuurka gaarka ah ee ceramics waxay hubisaa xirashada aadka u hooseeya iyo isku halaynta muddada dheer, taas oo ka dhigaysa mid ku habboon in loo isticmaalo jawi heerkul sare ah iyo kuwo wasakh ah. Iyada oo saxnaanta cabbirka saxda ah iyo dhammaystirka dusha sare ee siman, muraayadaha dhoobada alumina ee nadiifka ah ayaa bixiya xalal lagu kalsoonaan karo oo loogu talagalay injineerada raadinaya qaybo waara oo waxqabad sare leh. Xidhiidhiyayaashan aluminium dhoobada ah waxaa si taxadar leh loogu talagalay inay la kulmaan heerarka tayada adag waxayna bixiyaan waxqabad joogto ah dhammaan codsiyada kala duwan. Dabeecadooda khafiifka ah ayaa si gaar ah u soo jiidata warshadaha u baahan dhimista miisaanka. Sidaa darteed, qalabkan aluminium ee nadiifka ah ee sarreeya ayaa noqday doorashada la doorbido ee xirfadlayaasha raadinaya xalal la isku halleyn karo oo hufan.
Dulmarka alaabada ayaa iftiiminaya sifooyinka muhiimka ah ee ka dhigaya muraayadaha dhoobada alumina ee nadiifka ah ee sare u taagan suuqa. Xidhiidhiyayaashan aluminium dhoobada ah waxaa si gaar ah loogu talagalay codsiyada injineernimada, waxaana loo adeegsadaa marka biraha caadiga ah aysan gaarin waxqabadka ugu fiican. Sifooyinka dabiiciga ah ee maaddadan, sida qallafsanaanta sare, ballaarinta kulaylka hooseeya, iyo korantada aadka u fiican, waxay ka dhigtaa mid waxtar leh oo waxtar leh. Qalabyada aluminium-fasalka injineernimada waxay ku yimaadaan cabbirro iyo qaabayn kala duwan, taasoo u oggolaanaysa isticmaaleyaasha inay doortaan ikhtiyaarka ugu habboon ee ku saleysan baahiyahooda gaarka ah. Astaantooda antioxidant-ka iyo daxalka u adkaysta ayaa si gaar ah u qiimeeya marka ay la kulmaan kiimikooyin xooggan ama heerkul aad u daran. Intaa waxaa dheer, qaab dhismeedka dhoobada wuxuu yareynayaa halista silbashooyinka ama saxmada, dhibaatada caadiga ah ee xirmooyinka birta ee culeyska sareeyo. Faa'iidooyinkan la isku daray waxay xaqiijinayaan in badeecadani ay weli tahay doorasho la isku halayn karo oo waara oo caalami ah oo ka dhex jirta injineerada iyo soosaarayaasha.
Sharaxaad faahfaahsan oo ku saabsan muraayadaha dhoobada alumina ee nadiifka sare ah waxay siinaya faham buuxa oo ku saabsan naqshadooda, ka kooban walxaha, iyo isticmaalka loogu talagalay. Xirayaasha dhoobada ah waxaa laga sameeyaa aluminium horumarsan waxaana la mariyaa tillaabooyin sax ah oo taxane ah si loo xaqiijiyo isku mid ahaanshaha iyo joogteynta. Badeecada kama dambaysta ah waxay leedahay iska caabin heer sare ah oo ku saabsan burburka farsamada iyo kiimikada, oo ku habboon codsiyo badan oo warshadeed. Qalabyada aluminium-fasalka injineernimada waxay ku yimaadaan noocyo iyo cabbirro dunta kala duwan, taas oo u oggolaanaysa is-dhexgalka dabacsan ee nidaamyada iyo qaabab kala duwan. Dusha sare ee siman iyo cilad la'aanta waxay hubisaa isku xirnaan sugan oo xasilloon ka dib rakibidda. Alaabtani ma qallafsanto ama ma luminayso xoogga jawiga heerkulka sare, taasoo ka dhigaysa mid aad u qiimo badan xaaladahan oo kale. Waxaa intaa dheer, sifooyinka dabiiciga ah ee dabiiciga ah ee alaabta dhoobada ayaa ka dhigaya doorasho aad u fiican codsiyada u baahan go'doominta korantada. Tilmaamahani waxay si wadajir ah u wanaajiyaan waxqabadka alaabta, iyaga oo hubinaya inay la kulmaan heerarka tayada ugu sarreeya iyo shuruudaha kalsoonida.
ALUMINA CERAMIC TECH XOGTA
|
ITEM
|
UNIT
|
99.9 ALUMINA
|
|
Density
|
G/cm3
|
3.94
|
|
Bending Resistance
|
Mpa
|
500
|
|
Compressive Strength
|
Mpa
|
3300
|
|
Elasticity Modulus
|
Gpa
|
400
|
|
Shock Strength
|
Mpam/2
|
5.2
|
|
Vaporization Coefficient
|
M
|
12
|
|
Vickers Hardness
|
HV0.5
|
2000
|
|
Thermal Expansivity
|
10-6K-1
|
8.0
|
|
Conductivity
|
W/MK
|
28
|
|
Thermal Shock Resistance
|
AT℃
|
280
|
|
Maximum Service Temperature
|
℃
|
1750
|
|
20℃ Volume Resistance
|
Ω
|
≥1015
|
|
Dielectric Strength
|
KV/mm
|
30
|
|
Apparent Porosity
|
%
|
0
|
|
Permittivity
|
Er
|
10
|
|
Dielectric Loss Angle
|
tanδ
|
0.001
|