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Guriga> Alaabta> Quruxda Alumina Ceramic> Kuleyl u adkaysta xaashida aluminium ee hufan
Kuleyl u adkaysta xaashida aluminium ee hufan
Kuleyl u adkaysta xaashida aluminium ee hufan
Kuleyl u adkaysta xaashida aluminium ee hufan

Kuleyl u adkaysta xaashida aluminium ee hufan

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Tafaasiisha Sheyga
Shayga dhoobada ah ee alumina ee daah-furan waa walxo dhoobo ah oo wax qabad sare leh, oo caan ku ah hufnaanteeda aadka u wanaagsan, adkeysiga, iyo xasiloonida kulaylka. Waxqabadku kama hooseeyo kan dhoobada Zirconia. Alaabtan khaaska ah waxay ku habboon tahay codsiyada halka daahfurnaanta indhaha iyo xoogga farsamada ay muhiim u yihiin. Xaashiyaha aluminium ee hufan waa qaab horumarsan oo agabkan ah, oo leh cabbir sax ah iyo tayo aad u wanaagsan. Isticmaalka warshadaha gaarka ah ama sayniska, si sax ah u jarista xaashida aluminium ee hufan waxay bixisaa cabbir sax ah iyo waxqabad joogto ah. Intaa waxaa dheer, xaashida aluminium ee hufan ee ujeedooyinka gaarka ah ayaa si gaar ah loo habeeyey si loo daboolo baahiyaha gaarka ah ee warshadaha kala duwan, taasoo ka dhigaysa doorasho ku habboon dhinacyo badan. Dulmar guud ee xaashida alumina ee hufan waxay muujineysaa sida ay ka kooban tahay walxo alumina polycrystalline ah, kaas oo ilaalinaya daahfurnaan sare iyadoo leh kulayl aad u fiican, daxal, iyo xirashada iska caabbinta. Marka la barbar dhigo quraarado dhaqameed ama qalab kale oo hufan, xaashidani waxay bixisaa hufnaanta qaabdhismeedka oo la xoojiyay iyo nolol adeeg oo dheer. Inta badan waxaa loo isticmaalaa meelaha ay alaabta caadiga ah ku fashilmaan xaalado aad u daran dartood. Foomka xaashida waa sahlan tahay in lagu dhex daro naqshado iyo nidaamyo adag, iyada oo hubinaysa dabacsanaanta iyada oo aan la hurin tayada. Haddi ay ahaan lahayd injineernimada saxda ah ama wax soo saarka teknoolojiyadda sare, alaabtani waxay u taagan tahay isku halaynta iyo waxqabadkeeda. Astaamaha ugu muhiimsan ee xaashida aluminium ee hufan waxaa ka mid ah caddaynta indhaha, taas oo ka dhigaysa mid ku habboon codsiyada u baahan gudbinta iftiinka. Qalabkani waxa kale oo uu leeyahay iska caabin adag oo kiimiko ah, taas oo ka dhigaysa mid ku habboon in loo isticmaalo degaannada adag. Dhaqdhaqaaqeeda kulaylka waxay hubisaa daadinta kulaylka hufan, taas oo muhiim u ah codsiyada heerkulka sare. Xaashiyaha aluminium ee hufan si sax ah ayaa loo gooyaa dulqaad adag, iyadoo la hubinayo saxnaanta iyo joogtaynta cabbirka iyo qaababka. Saxnimadani waxay muhiim u tahay warshadaha sida hawada sare, elektiroonigga, iyo tignoolajiyada caafimaadka. Intaa waxaa dheer, xaashida aluminium ee hufan ee ujeedooyinka gaarka ah waxaa loogu talagalay iyadoo loo eegayo shuruudo gaar ah, iyadoo la siinayo xulashooyin khaas ah oo loogu talagalay codsiyada kala duwan. Marka la eego sharraxaadda faahfaahsan, xaashida aluminium ee hufan waxaa lagu soo saaraa habab horumarsan oo sintering ah, iyada oo kor u qaadeysa cufnaanta iyo sifooyinka dhismaha. Qalabkan waxaa lagu heli karaa dhumucyo kala duwan iyo cabbirro kala duwan, oo awood u leh inay daboolaan baahiyaha mashaariicda kala duwan. Xaashiyaha aluminium ee hufan waxaa caadi ahaan laga sameeyaa budada aluminium ee saafiga ah, iyadoo hubinaysa in ay ka kooban tahay wasakh aad u hooseeya iyo waxqabad aad u wanaagsan. Habkani kaliya ma ilaalinayo daahfurnaanta laakiin sidoo kale wuxuu bixiyaa awood farsamo oo aad u fiican. Xaashida aluminium ee hufan ee sida saxda ah loo gooyay ayaa mareysa habayn dheeri ah si loo hubiyo in gabal kasta uu buuxiyo tilmaamo sax ah, taasoo yaraynaysa baahida wax ka beddelka xiga. Ujeeddooyin gaar ah awgeed, xaashidan waa la dahaadhay ama daawayn karaa si kor loogu qaado shaqadeeda, sida hagaajinta caabbinta xoqidda ama kor u qaadida la jaanqaadka kiimikooyinka qaarkood. Xaaladaha codsiga ee xaashida aluminium ee hufan waa ballaaran, oo daboolaya codsiyada warshadaha ee cilmi-baarista sayniska. Goobta indhaha, waxaa loo isticmaalaa nidaamyada nalalka xoogga badan, qaybaha laser, iyo daaqadaha indhaha. Warshadaha elektiroonigga ah, waxay u adeegtaa sida daboolka ilaalinta qaybaha xasaasiga ah, isku-darka daahfurnaanta iyo dahaarka. Goobta qalabka caafimaadka, xaashida aluminium ee hufan ayaa loo adeegsadaa aaladaha sawir-qaadista iyo aaladaha jeermiska-jeermiska, halkaas oo caddaynta iyo adkeysiga ay muhiim u yihiin. Xaashidan aluminium ee hufan ee sida saxda ah loo jaray ayaa si gaar ah faa'iido u leh soo saarista qaybaha gaarka ah ee cabbirka saxda ah leh. Codsiyada khaaska ah sida farsamaynta semiconductor ama wax soo saarka horumarsan, sifooyinka walxahan ayaa ka dhigaya doorasho ku habboon. Qiimaynta isticmaaluhu waxay xooga saaraysaa isku halaynta iyo waxqabadka xaashida aluminium ee hufan, iyadoo isticmaaleyaal badani ay amaaneen hufnaanteeda iyo adkaysigeeda. Macaamiisha ku jira warshadaha hawada sare waxay ogaadaan in aysan hoos u dhicin heerkulka aad u daran. Dhanka caafimaadka, xirfadlayaashu waxay qadariyaan codsigooda qalabka baarista, maadaama muuqaal cad ay muhiim tahay. Isticmaalayaasha warshadaha elektiroonigga ah waxay soo sheegaan in isticmaalka maaddadan ay wanaajin karto waxtarka alaabta oo ay kordhiso cimrigeeda.
Alumina T1

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

Guriga> Alaabta> Quruxda Alumina Ceramic> Kuleyl u adkaysta xaashida aluminium ee hufan

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