Taarikada dhoobada alumina ee nadiifka ah ayaa ah qalab tayo sare leh oo si gaar ah loogu talagalay codsiyada waxqabadka sare leh ee beeraha kala duwan ee warshadaha. Saxankaan dhoobada ah ee horumarsan waxa laga sameeyay aluminium saafi ah waxana uu leeyahay awood farsamo oo aad u wanaagsan, deganaanshaha kulaylka, iyo caabbinta kiimikaad. Alaabtani waxay ku habboon tahay bay'ada dalbanaya isku halaynta sare, adkeysiga, iyo saxnaanta. Sida xal nashqadeynta muraayadaha aluminium warshadaha iyo dhoobada dhoobada, waxay bixisaa beddel adag oo hufan oo ka mid ah qaybaha birta dhaqameed ee loo isticmaalo xaaladaha adag.Waxqabadku kama hooseeyo midka Zirconia ceramic & Aluminium Nitride ceramic.
Xaashidan nadiifka ah ee aluminiumka ah ayaa si taxadar leh loogu qaabeeyey iyadoo loo eegayo shuruudaha adag ee hababka wax soo saarka casriga ah. Waxay leedahay sifooyin dahaar aad u fiican waxayna ku habboon tahay nidaamyada korantada iyo elektiroonigga ah. Dabeecaddeeda anshax-marintu waxay hubisaa badbaadada codsiyada ku lug leh danab sare ama qalab xasaasi ah. Intaa waxaa dheer, naqshadeynta flange-ga dhoobada waxay awood u siineysaa is dhexgalka aan kala go 'lahayn ee nidaamyada jira, yaraynta wakhtiga dhimista iyo kharashka dayactirka. Haddii loo isticmaalo sida flanges alumina warshadaha ama qayb ka mid ah naqshadaha flange dhoobada caadadii, alaabtani waxay ilaalinaysaa waxqabadka xasilloon xaaladaha daran.
Astaamaha ugu muhiimsan ee xaashida dhoobada alumina ee nadiifka ah waxaa ka mid ah cufnaanta sare, porosity hooseeya, iyo iska caabin aad u fiican. Guryahaan waxay siinayaan iska caabin xoog leh oo ay ku xirtaan, daxalka, iyo shoogga kulaylka. Qalabkani wuxuu xajiyaa sharafta qaab dhismeedka jawi heerkul sare ah, taasoo ka dhigaysa alaabta la doorbido codsiyadan oo kale. Daawaynta dusha sare ee siman waxay sidoo kale wanaajisaa ku habboonaanta alaabta kale, awood u yeelashada isu-ururinta saxda ah iyo kalsoonida muddada-dheer.
Xaashidan nadiifka ah ee alumina-ta ah waxaa lagu soo saaray iyadoo la adeegsanayo tignoolajiyada sintering horumarsan waxayna maraysaa kontorool tayo adag si loo hubiyo in hal-abuurka isku mid ah iyo saxnaanta cabbirka. Habkani waxa uu keenayaa badeeco adag iyo miisaan fudud labadaba, gaarista dheelitirka ugu fiican ee u dhexeeya waxqabadka iyo waxtarka. Naqshadeynta flange-ka dhoobada ayaa sii kordhisa wax-ku-oolnimada, taas oo awood u siinaysa codsigeeda qaybo badan oo warshadeed, laga bilaabo soo saarista semiconductor ilaa injineernimada hawada.
Waraaqaha dhoobada aluminium ee nadiifka sare ah ayaa si weyn loogu isticmaalaa warshadaha sida elektiroonigga ah, baabuurta, tamarta, iyo farsamaynta kiimikada. Qaybta elektiroonigga ah, waxay door ka ciyaaraan sida qaybaha dahaarka ee wareegyada korantada sare iyo kuwa kulaylka. Warshadaha baabuurta, sababtoo ah iska caabbinta heerkulka sare iyo caabbinta kiimikada, waxaa loo adeegsadaa dareemayaasha, nidaamyada shidaalka, iyo qaybaha matoorada. Codsiyada tamarta, waxay door muhiim ah ka ciyaaraan reactors nukliyeerka, baalal cadceedda, iyo qalabka korontada. La qabsigooda ayaa ka dhigaya qayb muhiim ah oo ka mid ah nidaamyada khaaska ah ee badan.
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
|
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
