Sintered silicon carbide yog ib qho khoom siv ceramic tseem ceeb, uas siv dav hauv qhov kub thiab txias, siab siab thiab lub zog siab. Kev sib xyaw ua ke ntawm sic yog ib kauj ruam tseem ceeb hauv kev npaj cov ntaub ntawv sintered SIC. Kev tswj hwm zoo tshaj plaws ntawm sintered silicon carbide reaction tuaj yeem pab peb tswj cov xwm txheej ua haujlwm zoo dua thiab txhim kho cov khoom zoo.
1. Kev ua kom zoo dua ntawm cov tshuaj tiv thaiv sintering silicon carbide tej yam kev mob
Cov xwm txheej ntawm cov tshuaj tiv thaiv yog cov yam ntxwv tseem ceeb ntawm cov tshuaj tiv thaiv sintered silicon carbide, suav nrog qhov kub thiab txias ntawm cov tshuaj tiv thaiv, qhov siab ntawm cov tshuaj tiv thaiv, qhov sib piv ntawm cov tshuaj tiv thaiv thiab lub sijhawm tiv thaiv. Thaum ua kom zoo dua cov xwm txheej ntawm cov tshuaj tiv thaiv, nws yog qhov tsim nyog los kho raws li cov kev xav tau tshwj xeeb ntawm daim ntawv thov thiab cov txheej txheem tiv thaiv.
(1) Qhov kub ntawm cov tshuaj tiv thaiv: Qhov kub ntawm cov tshuaj tiv thaiv yog ib qho tseem ceeb uas cuam tshuam rau qhov ceev ntawm cov tshuaj tiv thaiv thiab qhov zoo ntawm cov khoom. Hauv qee qhov ntau thiab tsawg, qhov kub ntawm cov tshuaj tiv thaiv siab dua, qhov ceev ntawm cov tshuaj tiv thaiv sai dua thiab qhov zoo ntawm cov khoom kuj siab dua. Txawm li cas los xij, qhov kub ntawm cov tshuaj tiv thaiv siab dhau kuj yuav ua rau cov qhov hws thiab cov kab nrib pleb hauv cov khoom nce ntxiv, cuam tshuam rau qhov zoo ntawm cov khoom.
(2) Lub zog ntawm cov tshuaj tiv thaiv: Lub zog ntawm cov tshuaj tiv thaiv kuj muaj feem cuam tshuam rau qhov ceev ntawm cov tshuaj tiv thaiv thiab qhov ceev ntawm cov khoom. Hauv qee qhov ntau thiab tsawg, qhov siab dua ntawm qhov siab ntawm cov tshuaj tiv thaiv, qhov ceev ntawm cov tshuaj tiv thaiv sai dua thiab qhov ceev ntawm cov khoom ntau dua. Txawm li cas los xij, qhov siab dhau ntawm cov tshuaj tiv thaiv kuj tseem tuaj yeem ua rau muaj qhov hws thiab cov kab nrib pleb hauv cov khoom.
(3) Qhov sib piv ntawm cov tshuaj reactant: Qhov sib piv ntawm cov tshuaj reactant yog lwm yam tseem ceeb uas cuam tshuam rau qhov ceev ntawm cov tshuaj reaction thiab cov khoom zoo. Thaum qhov sib piv ntawm cov pa roj carbon rau silicon yog qhov tsim nyog, qhov nrawm ntawm cov tshuaj reaction thiab cov khoom zoo. Yog tias qhov sib piv ntawm cov tshuaj reactant tsis tsim nyog, nws yuav cuam tshuam rau qhov ceev ntawm cov tshuaj reaction thiab cov khoom zoo.
(4) Lub sijhawm teb: Lub sijhawm teb yog ib qho ntawm cov yam uas cuam tshuam rau qhov ceev ntawm kev teb thiab qhov zoo ntawm cov khoom. Hauv qee qhov ntau thiab tsawg, lub sijhawm teb ntev dua, qhov qeeb dua qhov ceev ntawm kev teb thiab qhov zoo ntawm cov khoom. Txawm li cas los xij, lub sijhawm teb ntev dhau kuj tseem yuav ua rau muaj qhov hws thiab tawg hauv cov khoom, cuam tshuam rau qhov zoo ntawm cov khoom.
2. Kev tswj cov txheej txheem ntawm kev ua kom cov tshuaj tiv thaiv sintering silicon carbide
Hauv cov txheej txheem tshuaj tiv thaiv ntawm sintered silicon carbide, nws yog qhov tsim nyog los tswj cov txheej txheem tshuaj tiv thaiv. Lub hom phiaj ntawm kev tswj hwm yog xyuas kom meej tias cov tshuaj tiv thaiv ruaj khov thiab cov khoom zoo sib xws. Kev tswj hwm cov txheej txheem tshuaj tiv thaiv suav nrog kev tswj kub, kev tswj siab, kev tswj huab cua thiab kev tswj hwm zoo ntawm cov tshuaj tiv thaiv.
(1) Kev tswj qhov kub thiab txias: Kev tswj qhov kub thiab txias yog ib qho tseem ceeb ntawm kev tswj cov txheej txheem tshuaj tiv thaiv. Kev tswj qhov kub thiab txias yuav tsum tau tswj kom meej li meej tau kom ntseeg tau tias cov txheej txheem tshuaj tiv thaiv ruaj khov thiab cov khoom zoo sib xws. Hauv kev tsim khoom niaj hnub no, lub kaw lus tswj hwm computer feem ntau yog siv los tswj qhov kub thiab txias tshuaj tiv thaiv kom raug.
(2) Kev tswj siab: Kev tswj siab yog lwm yam tseem ceeb ntawm kev tswj cov txheej txheem tshuaj tiv thaiv. Los ntawm kev tswj lub siab tshuaj tiv thaiv, kev ruaj khov ntawm cov txheej txheem tshuaj tiv thaiv thiab kev sib xws ntawm cov khoom zoo tuaj yeem ua kom ntseeg tau. Hauv kev tsim khoom niaj hnub no, lub kaw lus tswj hwm computer feem ntau yog siv los tswj lub siab tshuaj tiv thaiv kom raug.
(3) Kev tswj huab cua: Kev tswj huab cua hais txog kev siv ib qho huab cua tshwj xeeb (xws li huab cua inert) hauv cov txheej txheem tshuaj tiv thaiv los tswj cov txheej txheem tshuaj tiv thaiv. Los ntawm kev tswj cov huab cua, nws muaj peev xwm ua kom ntseeg tau tias qhov ruaj khov ntawm cov txheej txheem tshuaj tiv thaiv thiab kev sib xws ntawm cov khoom zoo. Hauv kev tsim khoom niaj hnub no, huab cua feem ntau yog tswj los ntawm lub khoos phis tawj tswj hwm.
(4) Kev tswj xyuas qhov zoo ntawm cov tshuaj reactant: Kev tswj xyuas qhov zoo ntawm cov tshuaj reactant yog ib qho tseem ceeb uas yuav tsum ua kom muaj kev ruaj khov ntawm cov txheej txheem tshuaj tiv thaiv thiab kev sib xws ntawm cov khoom zoo. Los ntawm kev tswj xyuas qhov zoo ntawm cov tshuaj reactants, kev ruaj khov ntawm cov txheej txheem tshuaj tiv thaiv thiab kev sib xws ntawm cov khoom zoo tuaj yeem ua kom ntseeg tau. Hauv kev tsim khoom niaj hnub no, kev tswj hwm computer feem ntau yog siv los tswj qhov zoo ntawm cov tshuaj reactants.
Kev tswj hwm zoo tshaj plaws ntawm cov tshuaj tiv thaiv sintered silicon carbide yog qhov tseem ceeb rau kev npaj cov khoom siv sintered silicon carbide zoo. Los ntawm kev ua kom zoo dua cov xwm txheej tshuaj tiv thaiv, tswj cov txheej txheem tshuaj tiv thaiv thiab saib xyuas cov khoom tshuaj tiv thaiv, kev ruaj khov ntawm cov txheej txheem tshuaj tiv thaiv thiab kev sib xws ntawm cov khoom zoo tuaj yeem ua kom ntseeg tau. Hauv kev siv ua haujlwm, cov tshuaj tiv thaiv sintered silicon carbide yuav tsum tau hloov kho raws li cov xwm txheej siv tshwj xeeb kom tau raws li cov kev xav tau sib txawv.
Lub sijhawm tshaj tawm: Lub Xya Hli-06-2023