92% 95% Al2O3 Alumina Tusmada Dhuumaha dhoobada ah ee Sawirka leh

92% 95% Al2O3 alumina dhoobada tuubada dhoobada

Sharaxaad Gaaban:

Alumina dhoobada dhoobada dhoobada dhoobada waa la dhajiyay ama lagu dhejiyay oo lagu dhejiyay tuubada birta gudaha ama dibadda derbiga leh heerkulka sare ee xabagta xabagta epoxy , ka dibna samaynta lakab adag oo ka hortagga xirashada iyadoo lagu kululeynayo oo lagu daaweynayo.

Dhuumaha dhoobada dhoobada leh ayaa leh dahaar isku mid ah oo ah walxo dhoobo ah oo si gaar ah loo habeeyey oo ku dhejiyay gudaha tuubada oo siinaysa meel aad siman.

Dhuumaha birta/birta waa ay adag tahay in ay iska caabiyaan waxyeelada daxalka kiimikada, xidho biraha dhoobada ah ee adkaysi u leh tuubada labanlaabantay waa tuubo isku dhafan oo u adeegsata birta sida tuubada dibadda iyo walxaha dhoobada ah ee qaybaha dhuumaha gudaha, oo la isku daray si looga faa'iidaysto faa'iidooyinka labada shay.Sidaa daraadeed u adkeysi fiican oo u adkaysta iyo iska caabbinta daxalka wanaagsan ee ceramics iyo xoogga sare iyo adayga biraha ayaa si fiican loo isku dari karaa si loo helo faa'iido dhammaystiran oo u adkaysta xirashada, iska caabinta daxalka iyo ka hortagga.Waxay ku habboon yihiin codsiyada ku jira xaaladaha shaqada ee xirashada culus waxayna yihiin ilaalinta xirashada wanaagsan iyo xalalka alaabta dhoobada ah.

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Tilmaamaha ugu muhiimsan

1) Xiro wanaagsan: chemshun ceramic alumina ceramiki lakabka dhoobada dhoobada leh ee dharka u adkaysta tuubada suxulka waa ceramics abrasion, oo leh adkaanshaha (HRA) ≥84, xidho iska caabin 10 jeer ka badan xirmooyinka chromium aluminium sare ee tuubooyinka birta.

2) Iska caabinta daxalka: walxo dhoobo adkaysi u leh oo leh caabbinta daxalka aad u fiican, acid, alkali, milix iyo guryaha daxalka milixda ah ee halogen.

3) Waxqabadka heerkulka sare: xidho dhoobada adkaysiga lafteedu waxay leedahay awood heerkul ka badan 1200 darajo Celsius.

4) Yaree kharashka mashruuca: inta badan loo isticmaalo gudbinta walxaha , dareerayaasha iyo warbaahinta daxalka .bedelida birta aan qaaliga ahayn ee qaaliga ah, tuubada birta ah ee kabka ah ee chrome, tube alloy adkaysta, taas oo si toos ah u dhimi karta kharashka mashruuca dhuumaha.

Xaashida Xogta Farsamada

1) :Chemshun xidhashada kiimikada dhoobada ah:

Al2O3	SiO2	CaO	MgO	Na2O
92 ~ 93%	3 ~ 6%	1 ~ 1.6%	0.2 ~ 0.8%	0.1%

2):Chemshun ceramics tubooyinka dahaarka tubadaTilmaamaha jirka:

Cufisjiid gaar ah (g/cc)	>3.60
Borosity muuqda (%)	0
Xoog Jilicsan (20ºC, Mpa)	280
Awood cadaadis (20ºC, Mpa)	850
Rockwell hardness (HRA)	80
adkaanta Vickers (hv)	1050
adkaanta Moh (miisaanka)	≥9
Balaadhinta kulaylka (20-800ºC, x10-6/ºC)	8
Cabirka Crystal (μm)	1.3 ~ 3.0