3D Printed Ceramics: 15μm SiC 88% vs 90% Purity rau Green Parts
Tso lus
Vim li cas Silicon Carbide Matters hauv Ceramic 3D Printing
Silicon carbide yog siv nyob rau hauv additively manufactured ceramics vim hais tias nws combines siab hardness, thermal stability thiab hnav tsis kam ntawm tus nqi zoo hauv qab ntawm cov khoom siv tshwj xeeb ceramics. Hauv binder jetting, cov khoom siv extrusion thiab vat photopolymerisation, SiC hmoov feem ntau txiav txim siab seb qhov twg tuav nws cov duab ua ntej tua.
Kev lag luam SiC rau cov kev no yog muab qhab nia los ntawm silicon carbide cov ntsiab lus thiab los ntawm qhov loj me. A 15 micron txhais tau hais tias qhov loj me me zaum hauv qhov zoo - mus rau - nruab nrab, ntxhib txaus kom ntws thiab ntim rau hauv lub tshuab luam ntawv tab sis zoo txaus rau sinter rau hauv lub cev ntom ntom.
Dab tsi 88% thiab 90% Purity Tiag tiag
Qhov feem pua yog hais txog cov ntsiab lus ntawm silicon carbide ntawm cov hmoov, nrog rau qhov sib npaug ntawm cov silicon dawb, dawb carbon, hlau thiab lwm yam khoom seem ntawm cov txheej txheem Acheson rauv. A 90% qib yog li ntawd kwv yees li ob feem pua cov ntsiab lus tsawg dua uas tsis yog -carbide cov ntaub ntawv tshaj li qib 88%.
Qhov sib txawv ntawd yog me me nyob rau hauv cov ntsiab lus kiag li, tab sis nws hloov tus nqi qis - melting los yog tsis - txhawb nqa theem tam sim no thaum tua. Cov ntsiab lus qis dua feem ntau muab ntau qhov kev xav tau qis dua thiab tsawg dua qhov chaw tshuaj tiv thaiv uas tuaj yeem tsim porosity.
Green Strength Ua ntej Sintering
Lub zog ntsuab los ntawm cov txheej txheem binder ntxiv rau cov khoom ntim, tsis yog los ntawm SiC nws tus kheej. Txawm li cas los xij, qhov chaw chemistry ntawm cov hmoov cuam tshuam li cas sib npaug ntawm cov ntaub ntub dej thiab txuas cov khoom. Cov hmoov uas muaj cov silicon dawb thiab oxide ntau dua yuav tuav qhov sib txawv me ntsis noo noo thiab sib npaug sib npaug.
Hauv kev xyaum, 15 micron hmoov nrog rau qib twg tuaj yeem luam tawm tau zoo. Cov khoom siv 90% yooj yim dua rau kev tswj hwm vim tias nws qhov chaw zoo sib xws ntau dua rau batch, uas tseem ceeb thaum cov khoom ntsuab nyias nyias -walled los yog muaj cov kab hauv qab zoo.
Sintering, Shrinkage thiab zaum kawg ceev
Thaum lub sij hawm firing qhov tsis yog -carbide feem tuaj yeem hnov mob lossis muag ua ntej lub pob txha SiC. Ib qho seem seem ntau dua ua rau muaj kev pheej hmoo ntawm qhov sib txawv ntawm qhov sib txawv hauv zos thiab ntawm lub cev kawg uas yog me ntsis tsis sib xws hauv qhov ntom. Qib 90% feem ntau nce mus txog qhov sib npaug ntawm qhov raug rho tawm haujlwm ntau dua rau tib lub sijhawm thiab qhov kub thiab txias profile.
Vim tias shrinkage txuas nrog rau qhov pib packing thiab mus rau theem ntawm kev khiav tawm, cov qib zoo sib xws kuj ua rau nws yooj yim dua los teev cov ntawv luam tawm los ntawm cov qauv rau kev tsim khoom yam tsis tau hloov pauv cov qauv nyiaj.
Sib piv cov qib rau daim ntawv thov
Rau kev kho kom zoo nkauj lossis qis- thauj khoom ntsuab, qib 88% muab cov txiaj ntsig tau txais txiaj ntsig ntawm tus nqi qis. Rau cov khoom siv uas yuav raug sintered rau cov khoom siv ceramic, xws li hnav cov vuas, cov rooj tog hauv tsev lossis cov twj tso kua mis, cov qib 90% txo qhov kev pheej hmoo ntawm kev tsis lees paub thiab feem ntau yog tus nqi zoo dua thaum suav qhov poob.
Txawm tias qib twg raug xaiv, qhov sib faib me me, cov ntawv khi thiab cov hlua hluav taws xob yuav tsum raug kho ua ke, vim tias peb qhov sib txawv no cuam tshuam ntau dua li ob - taw tes purity sib txawv ntawm nws tus kheej.
Cov lus nug nquag
Q: Puas yog 90% SiC ib txwm zoo dua 88% rau cov khoom ntsuab?
Tsis yog. Nws muab qhov sib npaug sib npaug thiab qhov ntom ntom, tab sis rau qis - thauj khoom lossis cov khoom zoo nkauj 88% qib ua tau zoo ntawm tus nqi qis.
Q: Cov qib ob puas tuaj yeem luam tawm nrog tib lub binder?
Feem ntau yog, tab sis qhov ntau npaum li cas binder yuav xav tau kev hloov me me vim tias qhov chaw chemistry txawv ntawm qib.
Q: Vim li cas 15 micron me me tseem ceeb?
Nws sib npaug flowability nyob rau hauv lub tshuab luam ntawv tawm tsam qhov zoo particle feem xav tau rau zoo sintering thiab nto tiav.
Q: Puas yog purity cuam tshuam rau shrinkage?
Yog lawm. Ib qho seem seem ntau dua tuaj yeem nthuav dav lub qhov rai shrinkage, yog li qib 90% yooj yim dua rau kev ua siab ntev.
Q: Yuav tsum tau kho cov qib ua ntej scaling?
Yog lawm. Kho cov qib, khi thiab tua cov ntaub ntawv thaum ntxov, tom qab ntawd kho tsuas yog ib qho sib txawv ntawm ib lub sijhawm thaum ntsuas - nce.
