Nadiifinta sare ee alumina nuts dhoobada , nuts alumina saxda ah, daboolida alumina heer-farsamo farsamo, iyo alumina-fasalka injineernimada waa qaybo dhoobo ah oo horumarsan oo si gaar ah loogu talagalay codsiyada waxqabadka sare leh. Qaybahan ayaa muhiim u ah saxnaanta, adkeysiga, iyo xasiloonida kulaylka. Waxqabadku maaha mid ka hooseeya kan Zirconia ceramic & Aluminium Nitride ceramic. Qaybahaas khaaska ah waxay ka samaysan yihiin aluminium saafi ah oo sarreeya, hubinta awoodda farsamada ee aad u fiican, caabbinta kiimikada, iyo guryaha korantada. Haddii loo isticmaalo mishiinada warshadaha, nidaamyada hawada hawada, ama aaladaha injineernimada saxda ah, kuwan looska dhoobada ah iyo furyadu waxay ku siin karaan xalal la isku halayn karo oo loogu talagalay bay'ada baahida. Alaabta ayaa si taxadar leh loogu qaabeeyey si ay ula kulanto saxnaanta ugu sareysa iyo heerarka joogtada ah, taas oo ka dhigaysa doorasho ku habboon codsiyada u baahan dulqaad adag iyo isku halaynta muddada dheer. Halabuurka maaddadu waxay hubisaa hoos u dhigista iyo daxalka xitaa marka lagu jiro xaalado aad u daran. Daawaynta dusha sare ee siman iyo xakamaynta cabbirka saxda ah ayaa ka dhigaysa inay ku habboon yihiin deegaan kuleyl sare leh, deegaan faaruq ah, iyo bay'ad daxalaysa. Dabeecaddooda anshax-marintu waxay sidoo kale ka dhigaysaa inay ku habboon yihiin go'doominta korantada iyo ujeedooyinka dahaarka. Astaamaha ugu muhiimsan ee looska dhoobada alumina ee nadiifka sare ah waxaa ka mid ah adkeysi aad u sarreeya, caabbinta xirashada heer sare ah, iyo kulaylka ugu fiican. Taarikada daboolka alumina-farsamada-farsamada waxay bixiyaan xalal dabool ah oo badbaado leh oo waara, halka alwaaxyada alumina-fasalka injineerinka ay xaqiijinayaan toosinta saxda ah iyo sharafta qaabdhismeedka qaybaha adag. Qayb kasta waxaa si taxadar leh loo farsameeyay iyadoo la adeegsanayo farsamooyinka wax soo saarka ee horumarsan si loo hubiyo isku midnimada iyo joogteynta waxqabadka. Marka la eego qeexitaan faahfaahsan, nuts alumina saxda ah waxay ku yimaadaan cabbirro kala duwan iyo qaabeyn, taas oo u oggolaanaysa habeynta ku saleysan shuruudaha warshadaha gaarka ah. Maaddooyinka dhoobada ah ee loo isticmaalo qaybahan waxaa lagu farsameeyaa heerkul sare oo heerkul sare ah, samaynta qaab-dhismeed yar oo cufan oo kor u qaadaya sifooyinkooda farsamada. Tani waxay awood u siinaysaa badeecada inay lahaato iska caabin aad u sarreeya si ay u qallafsanto, dildilaaca, iyo fashilka ku jira diiqada. Intaa waxaa dheer, porosity-hooseeya ee maaddadu waxay hubisaa nuugista ugu yar ee qoyaanka ama kiimikooyinka, taas oo sii kordhinaysa nolosha adeeggeeda. Nuska dhoobada ah iyo furyada waxaa si weyn loogu isticmaalaa warshadaha sida wax soo saarka semiconductor, qalabka caafimaadka, injineernimada baabuurta, iyo qalabka sayniska. Wax soo saarka semiconductor, waxaa loo isticmaalaa sida qaybaha dahaarka ee qalabka saxda ah ee saxda ah. Qalabka caafimaadka, noole ku habboonaantooda iyo iska caabbinta jeermiska ayaa ka dhigaya kuwo ku habboon codsiyada muhiimka ah. Nidaamyada baabuurta, waxay bixiyaan waxqabad la isku halayn karo ee jawiga heerkulka sare sida qaybaha mishiinka iyo hababka qiiqa. Jawaab celinta isticmaaluhu waxay xooga saaraysaa isku halaynta iyo waxqabadka qaybahan dhoobada ah. Xirfadlayaal badan oo ku takhasusay warshadaha iyo injineernimada ayaa ka warbixiya in alaabtan lagu daro naqshadahooda ay keentay kor u kaca nidaamka iyo kharashka dayactirka. Macaamiishu waxay qadariyaan tayada xasilloon, cabbirka saxda ah, iyo waxqabadka muddada dheer ee looska aluminium ee saxda ah iyo qaybaha la xiriira. Su'aalaha caanka ah ee ku saabsan alaabtan waxay caadi ahaan ku wareegaan la jaanqaadkeeda qalabyo kala duwan, hababka rakibida, iyo shuruudaha dayactirka. Inkasta oo alaabta dhoobada ahi ay inta badan ku habboon yihiin biraha iyo balaastikada intooda badan, waxaa lagu talinayaa in la xaqiijiyo shuruudaha codsiga ka hor inta aan la isku darin. Rakibaadda inta badan waxay u baahan tahay qalabka caadiga ah iyo hawlgal taxadar leh si looga fogaado burbur. Sababtoo ah adkeysiga aadka u sarreeya ee alaabta, dayactirka ayaa ah mid aad u yar. Si kastaba ha ahaatee, waxaa lagu talinayaa in la sameeyo baaritaanno joogto ah si loo hubiyo waxqabadka ugu wanaagsan ee joogtada ah. Guud ahaan, looska dhoobada alumina ee nadiifka ah iyo qaybaha la xidhiidha waxay bixiyaan xal tayo sare leh oo loogu talagalay warshadaha u baahan saxnaanta, kalsoonida, iyo waxqabadka. Haddi ay ahaan lahayd daboosha aluminium farsamo ama alumina injineernimada, qaybahan dhoobada ah waxay bixiyaan beddelaad la isku halayn karo oo ka mid ah qaybaha birta dhaqameed ee loo isticmaalo jawi adag.
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
|
Kala xiriir Hada
