Alumina Plate Plate & Nadiifin Sarreysa Daboolka Alumina: Xaashida dhoobada tayada sare leh ee Alumina Sheet ee Adeegsiga Wershadaha iyo Ganacsiga Xaashiyahaan waxaa laga sameeyay xeryahooda dhoobada horumarsan, iyagoo bixiya awood gaar ah, caabbinta kulaylka, iyo sifada dahaarka korontada Sida saxan dhoobo ah oo tayo sare leh oo aluminium ah, waxay ku habboon yihiin in loo isticmaalo deegaannada ay adkeysiga iyo isku halaynta muhiim u yihiin. Haddii aad u baahan tahay shay u adkeysan kara heerkulka ba'an ama mid siinaya iska caabin kiimiko oo heer sare ah, xaashiyaha dhoobada ah waxaa loo qaabeeyey si ay ula kulmaan heerarka ugu sarreeya. Astaamaha muhiimka ah ee xaashida dhoobada ee Alumina waxaa ka mid ah awood farsamo oo sare, balaadhinta kulaylka hoose, iyo sifooyin koronto oo aad u fiican. Waxaa lagu soo saaray iyadoo la isticmaalayo farsamooyin sax ah si loo hubiyo joogtaynta iyo waxqabadka. Dhamaadka dusha sare waa mid siman oo isku mid ah, taas oo ka dhigaysa inay ku habboon yihiin codsiyada saxda ah. Waraaqahan dhoobada ah ee alumina ee raagaya waxay u adkeysanayaan xirashada iyo daxalka, hubinta nolosha adeegga muddada dheer xitaa marka lagu jiro xaalado adag. Qaab dhismeedkooda fufud haddana adag ayaa ka dhigaya kuwo fudud in la maareeyo lana rakibo. Sharaxaad faahfaahsan oo ku saabsan xaashida dhoobada ee Alumina waxay muujineysaa halabuurka iyo habka wax soo saarka. Waraaqahan waxay ugu horreyn ka kooban yihiin aluminium oxide, kaas oo siinaya hantidooda gaarka ah. Wax soo saarku wuxuu ku lug leeyahay sintering heerkul sare ah si loo gaaro cufnaanta la rabo iyo sharafta qaabdhismeedka. Tani waxay keenaysaa walxo aan xoog lahayn oo keliya laakiin sidoo kale aad u adkaysta cadaadiska farsamada iyo kulaylka labadaba. Waraaquhu waxay ku yimaadaan dhumucyo iyo cabbirro kala duwan, taasoo u oggolaanaysa in la beddelo iyadoo lagu saleynayo shuruudaha codsiga gaarka ah. Intaa waxaa dheer, waxaa lagu heli karaa darajooyin kala duwan, mid walbana waxaa loogu talagalay baahiyo warshadeed oo gaar ah. Alumina Sheets Ceramic waxay ka helaan isticmaalka ballaaran warshadaha sida elektiroonigga, baabuurta, hawada hawada, iyo wax soo saarka. Qaybta elektiroonigga ah, waxaa loo isticmaalaa sida insulators iyo substrates sababtoo ah sifooyin koronto oo aad u fiican. Warshadaha baabuurta, waxay u adeegaan sidii qaybo ka mid ah jawiga heerkulka sare, sida qaybaha mishiinka iyo dareemayaasha. Codsiyada hawada sare waxay ka faa'iidaysan karaan awooddooda si ay u ilaashadaan sharafta qaab dhismeedka meelaha sare iyo heerkulka sare. Hababka wax-soo-saarka waxay inta badan u adeegsadaan xaashiyahan qalabaynta, qalabyada, iyo qaybaha xidhashada u adkaysta. Kala duwanaanshahooda ayaa ka dhigaya alaab lagama maarmaan u ah qaybaha kala duwan. Dib u eegista isticmaalayaashu waxay muujinayaan waxtarka iyo isku halaynta xaashida dhoobada ee Alumina. Isticmaalayaal badan ayaa ammaana kartida ay u leeyihiin inay si joogto ah u qabtaan xaaladaha adag. Qaarkood waxay xuseen in xaashiyadu ay dhaafeen agabka kale ee ay hore u isticmaali jireen, taas oo yaraynaysa kharashaadka dayactirka iyo beddelka. Kuwo kale waxay qadariyaan fududaynta rakibidda iyo heerka sare ee saxda ah ee lagu gaaray alaabtan. Jawaab celintu waxay sidoo kale xooga saaraysaa muhiimada doorashada heerka saxda ah iyo cabbirka codsiyada gaarka ah, maadaama tani ay si weyn u saameynayso waxqabadka iyo cimri dhererka. Su'aalaha caadiga ah ee ku saabsan xaashida dhoobada ee Alumina waxay inta badan ku wareegaan ku habboonaantooda degaannada qaarkood iyo sida ay u barbar dhigaan alaabta kale. Isticmaalayaashu waxay had iyo jeer weydiiyaan heerkulka ugu sarreeya ee ay u adkeysan karaan, kaas oo kala duwan iyadoo ku xiran darajada. Kuwo kale waxay wax ka weydiiyaan la jaanqaadkooda kiimikooyin kala duwan iyo inay u baahan yihiin maarayn gaar ah inta lagu jiro rakibidda. Sidoo kale waa wax caadi ah in la weydiiyo wax ku saabsan helitaanka cabbirada gaarka ah iyo wakhtiga hogaanka ee dalabaadka. Fahamka arrimahan waxay ka caawisaa isticmaalayaasha inay gaaraan go'aano xog ogaal ah markay dooranayaan badeecada saxda ah ee baahidooda. Guud ahaan, Alumina Ceramic Sheets waa doorasho la isku halleyn karo oo la isku halleyn karo oo loogu talagalay codsiyo badan oo warshado iyo ganacsi ah. Isku dhafka xoogga, adkeysiga, iyo waxqabadka ayaa ka dhigaya qayb muhiim ah oo ka mid ah hababka wax soo saarka ee horumarsan. Haddii aad raadinayso saxan dhoobada alumina tayo sare leh ama xaashida dhoobada alumina ee raagaya, alaabooyinkani waxay bixiyaan tayada iyo shaqeynta looga baahan yahay jawiga baahida. Xulashada saxda ah iyo codsiga, waxay ku siin karaan qiimo waara iyo hufnaan.
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
