Sintered silicon carbide ndi chinthu chofunika kwambiri cha ceramic, chomwe chimagwiritsidwa ntchito kwambiri m'malo otentha kwambiri, opanikizika kwambiri komanso amphamvu kwambiri. Reactive sintering ya SIC ndi gawo lofunika kwambiri pokonzekera zipangizo za SIC zosungunuka. Kuwongolera bwino kwambiri kwa sintering SIC reaction kungatithandize kuwongolera momwe zinthu zilili komanso kukonza ubwino wa chinthucho. Njira yabwino kwambiri yowongolera sintered silicon carbide reaction ikukambidwa mu pepalali.
1. Kukonza bwino zinthu zomwe zimayambitsa vuto la SIC
Mikhalidwe ya reaction ndi magawo ofunikira a reaction ya sintered silicon carbide, kuphatikiza kutentha kwa reaction, kuthamanga kwa reaction, reactant mass ratio ndi nthawi ya reaction. Mukakonza mikhalidwe ya reaction, ndikofunikira kusintha malinga ndi zofunikira za ntchito ndi njira yochitira reaction.
(1) Kutentha kwa reaction: Kutentha kwa reaction ndi chimodzi mwa zinthu zofunika kwambiri zomwe zimakhudza liwiro la reaction ndi ubwino wa mankhwala. Pa mlingo winawake, kutentha kwa reaction kukakwera, liwiro la reaction likakwera, khalidwe la mankhwala likakwera. Komabe, kutentha kwambiri kwa reaction kudzapangitsa kuti ma pores ndi ming'alu ziwonjezeke mu mankhwala, zomwe zimakhudza ubwino wa mankhwala.
(2) Kupanikizika kwa reaction: Kupanikizika kwa reaction kumakhudzanso liwiro la reaction ndi kuchuluka kwa zinthu. Mkati mwa mtunda winawake, kuthamanga kwa reaction kumakhala kokwera, liwiro la reaction limathamanga komanso kuchuluka kwa zinthu kumakwera. Komabe, kuthamanga kwambiri kwa reaction kungayambitsenso ma pores ndi ming'alu yambiri mu chinthucho.
(3) chiŵerengero cha mass reactant: chiŵerengero cha mass reactant ndi chinthu china chofunikira chomwe chimakhudza liwiro la reaction ndi ubwino wa mankhwala. Ngati chiŵerengero cha carbon to silicon mass chili choyenera, liwiro la reaction ndi mass a mankhwala. Ngati chiŵerengero cha mass reactant sichili choyenera, chidzakhudza liwiro la reaction ndi mass a mankhwala.
(4) Nthawi yochitira zinthu: Nthawi yochitira zinthu ndi chimodzi mwa zinthu zomwe zimakhudza liwiro la zinthu komanso ubwino wa zinthu. Mkati mwa nthawi inayake, nthawi yochitira zinthu imakhala yayitali, liwiro la zinthu limachepa ndipo khalidwe la zinthu limakwera. Komabe, nthawi yayitali yochitira zinthu imabweretsa kuwonjezeka kwa ma pores ndi ming'alu muzinthu, zomwe zimakhudza ubwino wa zinthuzo.
2. Kuwongolera njira ya silicon carbide yogwira ntchito
Pakukonza SIC reaction, ndikofunikira kuwongolera njira yochitira zinthu. Cholinga cha kuwongolera ndikuwonetsetsa kuti zinthuzo zikuyenda bwino komanso kuti mtundu wa zinthuzo ukhale wofanana. Kuwongolera njira yochitira zinthu kumaphatikizapo kuwongolera kutentha, kuwongolera kuthamanga kwa mpweya, kuwongolera mlengalenga ndi kuwongolera khalidwe la zinthuzo.
(1) Kuwongolera kutentha: Kuwongolera kutentha ndi chimodzi mwa zinthu zofunika kwambiri pakuwongolera njira zochitira zinthu. Kuwongolera kutentha Kutentha kwa zinthu kuyenera kulamulidwa bwino momwe zingathere kuti zitsimikizire kuti njira zochitira zinthu zikuyenda bwino komanso kuti zinthu zikuyenda bwino. Pakupanga kwamakono, makina owongolera makompyuta nthawi zambiri amagwiritsidwa ntchito powongolera kutentha kwa zinthu.
(2) Kulamulira kuthamanga kwa magazi: Kulamulira kuthamanga kwa magazi ndi gawo lina lofunika kwambiri pakuwongolera njira yochitira zinthu. Mwa kuwongolera kuthamanga kwa magazi, kukhazikika kwa njira yochitira zinthu komanso kusinthasintha kwa khalidwe la zinthu kungatsimikizidwe. Pakupanga kwamakono, makina owongolera makompyuta nthawi zambiri amagwiritsidwa ntchito kuwongolera molondola kuthamanga kwa magazi.
(3) Kulamulira mpweya: Kulamulira mpweya kumatanthauza kugwiritsa ntchito mlengalenga winawake (monga mlengalenga wopanda mpweya) mu njira yochitira zinthu kuti muwongolere njira yochitira zinthu. Mwa kulamulira mlengalenga, kukhazikika kwa njira yochitira zinthu komanso kusinthasintha kwa khalidwe la zinthu kungatsimikizidwe. Pakupanga kwamakono, makina owongolera makompyuta nthawi zambiri amagwiritsidwa ntchito kulamulira mlengalenga.
(4) Kuwongolera khalidwe la Reactant: Kuwongolera khalidwe la Reactant ndi chimodzi mwa zinthu zofunika kwambiri kuti zitsimikizire kukhazikika kwa njira yochitira zinthu komanso kukhazikika kwa khalidwe la chinthu. Mwa kuwongolera khalidwe la zinthu zomwe zimayambitsa zinthu, kukhazikika kwa njira yochitira zinthu komanso kukhazikika kwa khalidwe la chinthu kungatsimikizidwe. Pakupanga kwamakono, makina owongolera makompyuta nthawi zambiri amagwiritsidwa ntchito kuwongolera khalidwe la zinthu zomwe zimayambitsa zinthu.
Kuwongolera bwino kwa SIC yosinthira mpweya ndi gawo lofunika kwambiri pokonzekera zipangizo za SIC zosinthira mpweya ndi zinthu zapamwamba kwambiri. Mwa kukonza bwino momwe zinthu zimachitikira, kuwongolera njira yosinthira mpweya ndi kuyang'anira zinthu zomwe zimachitika, kukhazikika kwa njira yosinthira mpweya ndi kusinthasintha kwa khalidwe la chinthu kungatsimikizidwe. Pakugwiritsa ntchito moyenera, momwe zinthu zimachitikira ndi silicon carbide yosinthira mpweya ziyenera kusinthidwa malinga ndi zochitika zinazake kuti zikwaniritse zofunikira zosiyanasiyana zogwiritsira ntchito.
Nthawi yotumizira: Juni-05-2023