Ulaha dhoobada ee alumina waa qaybo dhoobada wax qabad sare leh oo loogu talagalay noocyo badan oo codsiyada warshadaha ah. Alaabooyinkan, oo ay ku jiraan Alumina Tubing ee Isticmaalka Warshadaha, Tuubooyinka Hollow Alumina, iyo Alumina Ceramic Cylinder, waxay bixiyaan adkeysi aan caadi ahayn, caabbinta kulaylka, iyo xasiloonida kiimikada. Sida hormuudka alaab-qeybiyaha sare ee alaabta dhoobada ah, kala duwanaantayada Alumina Ceramic Rods waxaa loo habeeyay si ay u buuxiso shuruudaha baahida wax soo saarka iyo deegaanka injineernimada casriga ah.
Dulmar guud ee Alumina Ceramic Rods waxay muujinaysaa hantidooda sare, taas oo ka dhigaysa mid ku habboon in loo isticmaalo xaaladaha heerkulka sare iyo daxalka. Tuubooyinka dhoobada ah iyo ulaha ayaa la soo saaray iyadoo la isticmaalayo aluminium saafi ah oo sarreeya, hubinta joogtaynta waxqabadka iyo kalsoonida. Haddi loo isticmaalo sida walxaha dahaarka, taageerooyinka qaabdhismeedka, ama qaybaha shaqada ee qalabka gaarka ah, Ulaha dhoobada Alumina waxay bixiyaan adeeg waara iyo dayactirka ugu yar. Dabeecaddooda anshax-marintu waxay sidoo kale ka dhigaysaa inay ku habboon yihiin codsiyada dahaarka korantada.
Astaamaha muhiimka ah ee Ulaha dhoobada Alumina waxaa ka mid ah adkeysi aad u sarreeya, iska caabin aad u fiican, iyo balaadhinta kulaylka hooseeya. Awoodda maaddadu u leedahay in ay u adkeysato heerkulka xad dhaafka ah iyada oo aan isbeddelayn ayaa ka dhigaysa doorashada la door bidayo ee warshadaha sida hawada sare, baabuurta, iyo elektiroonigga. Intaa waxaa dheer, qaybahan dhoobada ah waxay u adkeysanayaan oksaydhka iyo daxalka, iyaga oo hubinaya inay ilaashadaan daacadnimadooda xitaa xaaladaha deegaanka ee adag. Dhammaystirka dusha siman ee Alumina Ceramic Cylinders waxay kor u qaadaysaa la jaanqaadkooda nidaamyada xidhidhiyaha iyo dhejinta kala duwan.
Marka la eego sharraxaadda faahfaahsan, Alumina Tubing ee Isticmaalka Warshadaha ayaa lagu heli karaa cabbirro kala duwan iyo qaabeyn si ay ugu habboonaato baahiyaha codsi ee kala duwan. Tuubooyinkan bannaan ee dhoobada ah waxaa inta badan loo adeegsadaa kulaylka beddelayaasha, tuubooyinka, iyo qaybaha kale halkaasoo xasilloonida kulaylka iyo farsamada ay muhiim tahay. Habka wax-soo-saarka saxda ah wuxuu hubinayaa in badeecad kastaa ay la kulanto dulqaadka cabbirka adag, taas oo u oggolaanaysa is-dhexgalka aan tooska ahayn ee nidaamyada adag. Intaa waxaa sii dheer, dabeecadda qallafsan ee alumina ayaa ka dhigaysa mid la jaan qaadi karta kiimikooyin kala duwan, iyada oo ku ballaarinaysa adeeggeeda qaybo badan.
Xaaladaha isticmaalka ee Ulaha dhoobada Alumina waa kala duwan yihiin oo ay ku jiraan codsiyada wax soo saarka semiconductor, qaybaha foornada, iyo qalabaynta saxda ah. Tuubooyinka Hollow Ceramic Alumina waxaa sida caadiga ah looga shaqeeyaa foornooyinka kuleylkoodu sarreeyo iyo kilnsyada sababtoo ah awoodda ay u leeyihiin ilaalinta sharafta qaabdhismeedka heerkul sare. Dhinaca elektiroonigga ah, Alumina Ceramic Cylinders waxay u adeegaan sida substrates ee looxyada wareegga iyo qaybaha dahaarka. Kala duwanaanshahooda ayaa u oggolaanaya in lagu habeeyo nidaamyada caadiga ah iyo kuwa gaarka loo qaabeeyey, iyagoo siinaya injineerada xalal dabacsan.
Jawaab celinta isticmaalaha ee Alumina Ceramic Rods waxay muujinaysaa heerka qanacsanaanta xooggan ee macaamiisha ku tiirsan alaabtan hawlgallada muhiimka ah. Isticmaalayaal badan ayaa muujiya nolosha adeegga dheer iyo waxqabadka joogtada ah ee qaybaha dhoobada, gaar ahaan meelaha alaabta dhaqameedku si dhakhso ah u hoos u dhacayso. Isticmaalayaasha qaarkood waxay sidoo kale ogaadaan fududaynta rakibidda iyo ku-habboonaanta mishiinnada jira, taas oo yaraynaysa kharashka dayactirka iyo wakhtiga. Dib u eegista wanaagsan waxay inta badan sheegtaa kalsoonida alaabta ee xaaladaha cadaadiska sare, xoojinta qiimaha codsiyada warshadaha.
Su'aalaha caadiga ah ee ku saabsan Ulaha dhoobada Alumina waxay caadi ahaan diiradda saaraan ku habboonaantooda deegaan gaar ah, sida heerkulka sare ama goobaha soo-gaadhista kiimikada. Macaamiishu waxay sidoo kale wax ka weydiiyaan xulashooyinka habeynta, waqtiyada gaarsiinta, iyo hababka hubinta tayada. Helitaanka darajooyinka kala duwan ee alumina, sida 99% iyo 99.5%, waxay u ogolaataa xalal ku habboon iyadoo ku xiran heerka loo baahan yahay ee nadiifinta iyo waxqabadka. Intaa waxaa dheer, isticmaaleyaal badan ayaa wax ka weydiiya hababka ugu fiican ee maaraynta iyo kaydinta qaybaha dhoobada si loo hubiyo waxqabadka ugu fiican inta ay nool yihiin.
ALUMINA TECH DATA
|
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
|
ALUMINA budada TECH XOGTA
|
ITEM
|
LS-110
|
LS-120
|
LS-130
|
LS-110F
|
LS-220
|
LS-210
|
|
LOI(％)
|
0.02
|
0.02
|
0.05
|
0.08
|
0.03
|
0.01
|
|
Na2O(％)
|
0.05
|
0.04
|
0.03
|
0.05
|
0.07
|
0.08
|
|
SiO2(％)
|
0.07
|
0.07
|
0.07
|
0.09
|
0.02
|
0.02
|
|
Fe2O3(％)
|
0.03
|
0.03
|
0.03
|
0.03
|
0.02
|
0.02
|
|
Al2O3(％)
|
99.9
|
99.9
|
99.9
|
99.9
|
99.9
|
99.9
|
|
average grain diameter(um)
|
1.7
|
2.1
|
2.2
|
1.1
|
2.7
|
2.9
|
|
αgrain diameter(um)
|
1-2
|
1-3
|
2-4
|
1-2
|
2-3
|
3-5
|
|
BET Surface Area(m2/g)
|
1.9
|
1.4
|
1.4
|
3.2
|
1.6
|
0.9
|
|
Pressure-induced volume density(g/cm3)*
|
2.22
|
2.27
|
2.31
|
2.29
|
2.22
|
2.32
|
|
Forming density(g/cm3)**
|
2.13
|
2.20
|
2.23
|
2.33
|
2.17
|
2.30
|
|
Sintering volume density(g/cm3)**
|
3.78
|
3.79
|
3.78
|
3.89
|
3.81
|
3.77
|
|
Line collection efficiency(％)
|
18.0
|
17.2
|
16.7
|
15.7
|
17.5
|
15.3
|
Kala xiriir Hada
