Kusankha choyenera ceramic slurry kwa fakitale yotaya sera ntchito si za kusakaniza ufa ndi madzi - ndi za kulamulira microstructure, dimensional repeatability, ndi umphumphu wa zipolopolo pamaso dontho loyamba la chitsulo chosungunuka kuyenda. Tawonapo zoyambira zambiri zikuchotsa 30% ya batch-osati kuchokera pakuwonongeka, koma kuchokera pakuphulika kwa zipolopolo, kukhwinyata kwapamtunda kupitilira Ra 6.3 µm, kapena kusweka pakuwotcha. Kulephera kumeneko kumayamba kale ng'anjo isanayatse. Zimayamba ndi kupanga slurry, rheology control, ndi ndondomeko ya ndondomeko.
Chifukwa Chimene Kuchita Mwamsanga Kumakakamiza Kutaya Zokolola - Osati Kungomaliza Pamwamba
Mainjiniya ambiri amawona slurry ya ceramic ngati "black box" binder system. Koma pakuponyera ndalama molondola kwambiri, makamaka ma valve a hydraulic, mapampu, kapena nozzles za cobalt alloy - slurry ndiye gawo loyamba logwira ntchito. Kugawa kwake tinthu (kawirikawiri 0.5-15 µm kwa zircon/mullite blends), binder solids content (28-32% for ethyl silicate-based systems), ndi thixotropic index mwachindunji kudziwa: chipolopolo wobiriwira mphamvu (> 1.8 MPa pre-moto), matenthedwe kufutukuka machesi ndi mapatani sera.<0.3% kusagwirizana pa 150°C), ndi zotsalira zowotcha (<0.05 wt% phulusa pambuyo pa 900°C). Tidayezera izi pamayendedwe 47 opangira: pamene kukhuthala kumapitilira 18-22 cP pa 25 ° C (kuyezedwa pa 100 rpm pa Brookfield LVDV-II+), kusiyana kwa makulidwe a zipolopolo spike ndi 42%, ndipo kubalalitsidwa kwapang'onopang'ono pazibowo zovuta kudakwera kuchokera ± 0.0.1 mm ± 3 mm.
Ichi ndichifukwa chake mafakitale apamwamba samangogula slurry - amawayenereza pagulu lililonse. Amayesa nthawi ya gel motsutsana ndi ASTM F2212, amatsimikizira kukhazikika kwa pH pakati pa 2.8-3.4, ndikutsata kutsitsa kwapang'onopang'ono pogwiritsa ntchito ma curve-on-ignition (LOI). Pampu imodzi ya OEM yaku Europe yomwe tidathandizira idafunikira ≤0.8% kutsika kwa liniya pazipolopolo zowotchedwa - zotheka kokha ndi ma mullite-to-zircon ratios komanso nthawi yokhazikika ya binder hydrolysis. Ma slurries a "off-the-shelf" samakumana ndi izi.
Njira Zinayi Zolephera Zenizeni Zapadziko Lonse-ndi Momwe Mungaziyimitsire Musanathire phula
Nkhani za slurry sizidziwonetsa okha ndi ma alarm. Amanong'oneza ndi zizindikiro:
- Dewaxing ming'alu: Zomwe zimayambitsidwa ndi kusuntha kwachangu kwa chinyezi panthawi ya steam autoclaving-kukonzedwa ndi kusintha kachulukidwe ka binder crosslink ndikuwonjezera 0.15-0.25% colloidal silica monga chosinthira maukonde
- Kuyika pamwamba pazitsulo zosapanga dzimbiri: Kutsatiridwa ku ayoni otsalira a chloride (> 50 ppm) mu zomangira za alumina sol—amathetsedwa posinthira ku ma chloride opanda alumina hydrate dispersions
- Chipolopolo delamination pambuyo kuwombera: Zolumikizidwa ndi kumamatira kosakwanira kwa interlayer-kuthetsedwa ndi kukhathamiritsa nthawi yokhala ndi dip (12-18 sec) ndikugwiritsa ntchito ma slurries otsatizana: coarse backup coat (100-200 mesh stucco), coat coat (325 mesh), ndi ultrafine seal coat (submicron zircon)
- Dimensional drift pazigawo zopyapyala: Motsogozedwa ndi kupsinjika kowuma kosagwirizana - kumachepetsedwa ndi zipinda zowumitsa zoyendetsedwa ndi chinyezi (45-55% RH, 22-25 ° C) ndi makwerero othamanga a mpweya
Nthawi ina tidathandiza kasitomala waku Southeast Asia kuchepetsa kukonzanso kokhudzana ndi zipolopolo kuchokera ku 19% mpaka 2.3% m'masabata asanu ndi limodzi-osati posintha ogulitsa, koma poika ma viscometers olowera pa tanki yawo yoviyira ndikuphatikiza kuwerengera ku data ya CMM pazomaliza. Coefficient yolumikizana? 0.87.
Zomwe Mnzanu Wowona Wa Ceramic Slurry Amapereka - Kupitilira Chidebe
A odalirika ceramic slurry kwa fakitale yotaya sera mnzake amachita zinthu zitatu zomwe ogulitsa ambiri sangatero:
- Amagawana zolemba zonse zaukadaulo: Osati mapepala a SDS okha-koma histograms kukula kwa tinthu, malipoti a gawo la XRD, ndi ma chart a binder hydrolysis kinetics
- Imatsimikizira magwiridwe antchito pa geometry yanu: Imayesa mipiringidzo pamapangidwe anu enieni a sera, imayeza makulidwe a zigoba ndi ma eddy-current probes, ndikugwirizanitsa zotsatira ndi zomwe mukufuna kutsata zitsulo (monga zofunikira za AMS 5387 saizi)
- Zimaphatikizana ndi zowongolera zanu: Imakupatsirani zidziwitso zofananira ndi zinthu zomwe muli nazo kale, zozungulira zowotcha, ndi mbiri yowombera - palibe zongoyerekeza pamitengo kapena nthawi yogwira.
Kuphatikizika kumeneku kumalekanitsa ogulitsa zinthu kuchokera kwa anzawo opanga uinjiniya. Ndicho chifukwa chake opanga ngati QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD-omwe amapanga zigawo za mpope za cobalt zomwe zimafuna ziro Kukhazikika kwamkati ndi ± 0.03 mm kulekerera-kumafuna kutsatiridwa kwa slurry mpaka kuchuluka, kuphatikiza ziphaso zowunikira ndi malipoti a gulu lachitatu.
Kuyang'ana M'tsogolo: Slurry Intelligence Sikulinso Mwachisankho
Mzere wotsatira suli chemistry yabwino - ndi ndemanga zenizeni. Tsopano tikutumiza akasinja osungunula opangidwa ndi IoT omwe amawunika kutentha, kukhuthala, ndi pH masekondi 90 aliwonse, ma dosing a auto-adjusting binder kudzera pa mapampu a peristaltic olumikizidwa ndi PLC. Otsatira oyambirira amanena kuti 37% yocheperako ya NCRs zokhudzana ndi zipolopolo ndi 22% kuyenerera kwachangu kwa mabanja atsopano a alloy (monga T800 cobalt-based superalloys).
Koma tekinoloje yokhayo siyingakonze zoyambira zofooka. Yambirani apa: fufuzani momwe mukugwirira ntchito pamatope. Kodi mukuyesa kukhuthala tsiku lililonse-kapena kungoyang'ana kusasinthika? Kodi mumalemba ma curve a dewaxing motsatana ndi kuonda kwa chipolopolo? Kodi magawo anu a stucco amatsimikiziridwa ndi ISO 13320? Ngati yankho lililonse liri "ayi," ndipamene kutayikira kwa zokolola kumayambira.
Chifukwa pakupanga ndalama zolondola, slurry sikuti kumangovala chitsanzo. Ikufotokoza malire pakati pa kupambana ndi zidutswa-micron imodzi panthawi.
