![\"Sil\u012bcija](\"http:\/\/ceramicatijolart.com\/wp-content\/uploads\/2024\/05\/Silicon-Carbide-Recycling.jpg\")
<\/p>","protected":false},"excerpt":{"rendered":"Sil\u012bcija karb\u012bds (SiC) ir k\u013cuvis par b\u016btisku tehnolo\u0123isko materi\u0101lu. To izmanto abraz\u012bvos materi\u0101los, tehniskaj\u0101 keramik\u0101 un ugunsiztur\u012bgajos materi\u0101los, k\u0101 ar\u012b pusvad\u012bt\u0101ju ra\u017eo\u0161an\u0101.<\/p>\n
SiC ra\u017eo, augst\u0101 temperat\u016br\u0101 milz\u012bg\u0101s atkl\u0101t\u0101s \u201cAcheson\u201d kr\u0101sn\u012bs kars\u0113jot kvarca smiltis, kas sajauktas ar oglekli naftas koksa veid\u0101; p\u0113c tam to ra\u017eo gan \u201eza\u013c\u0101\u201d, gan \u201emeln\u0101\u201d variant\u0101 izmanto\u0161anai k\u0101 celtniec\u012bbas materi\u0101lu.<\/p>\n
Sil\u012bcija karb\u012bds (SiC) ir r\u016bpniec\u012bbas materi\u0101ls, kam ir daudzveid\u012bgi pielietojumi abraz\u012bvo materi\u0101lu ra\u017eo\u0161an\u0101, pusvad\u012bt\u0101ju mikrosh\u0113mu izgatavo\u0161an\u0101 un krist\u0101la radioapar\u0101tu ra\u017eo\u0161an\u0101 (sk. att\u0113lu zem\u0101k). T\u012brs SiC pats par sevi ir bezkr\u0101sains, ta\u010du dzelzs piemais\u012bjumi tam pie\u0161\u0137ir br\u016bnu l\u012bdz melnu nokr\u0101su. Turkl\u0101t SiC tiek izmantots gan k\u0101 katalizators, gan augsttemperat\u016bras kr\u0101sn\u012bs \u2013 t\u0101p\u0113c, kas gan v\u0113l var\u0113tu noiet greizi?<\/p>\n
Sil\u012bcija ingotu pl\u0101t\u0146u grie\u0161ana ar stieples z\u0101\u0123i rada lielus SiC \u0161\u0137idr\u0101 atkritumu daudzumus. \u0160aj\u0101 mais\u012bjum\u0101 ir pulverveida SiC, kas nodro\u0161ina ciet\u012bbu un grie\u0161anas veiktsp\u0113ju, k\u0101 ar\u012b polietil\u0113nglikols (PEG), kas kalpo gan k\u0101 nes\u0113js, gan k\u0101 dzes\u0113\u0161anas \u0161\u0137idrums. Z\u0101\u0123\u0113\u0161anas procesa laik\u0101 da\u013ci\u0146u izm\u0113ru sadal\u012bjums main\u0101s, un mais\u012bjums pies\u0101r\u0146ojas ar putek\u013cu da\u013ci\u0146\u0101m; lai to var\u0113tu atk\u0101rtoti izmantot, tas ir j\u0101att\u012bra pirms atk\u0101rtotas izmanto\u0161anas.<\/p>\n
Raisa Universit\u0101tes p\u0113tnieki izstr\u0101d\u0101 jaunu metodi, k\u0101 p\u0101rstr\u0101d\u0101t sil\u012bcija liet\u0146u atkritumus energoefekt\u012bv\u0101, rentabl\u0101 un augstas kvalit\u0101tes abraz\u012bvo produktu, izmantojot \u0161\u0137idruma-\u0161\u0137idruma ekstrakciju un s\u0101rmainu iz\u0161\u0137\u012bdin\u0101\u0161anu, lai ieg\u016btu pulvera mais\u012bjumu ar 72% SiC un 28% sil\u012bcija saturu \u2013 to v\u0113l\u0101k izmanto priek\u0161metu sl\u012bp\u0113\u0161anai, pul\u0113\u0161anai vai smiltin\u0101\u0161anai; to var atrast pat lidma\u0161\u012bn\u0101s vai v\u0113ja \u0123eneratoros!<\/p>\n
Jaudas elektronika ir elektromobi\u013cu (EV) pamat\u0101 un veicin\u0101s automobi\u013cu masveida elektrifik\u0101ciju. Sil\u012bcija karb\u012bds (SiC) ir k\u013cuvis par pievilc\u012bgu aizst\u0101j\u0113jmateri\u0101lu ener\u0123ijas p\u0101rveides sist\u0113m\u0101s, piem\u0113ram, BEV un FCEV galvenajos vilces invertoros; tas \u013cauj uzlabot energoefektivit\u0101ti, samazin\u0101t komut\u0101cijas zudumus, nodro\u0161in\u0101t dro\u0161\u0101ku darb\u012bbu augst\u0101s temperat\u016br\u0101s, k\u0101 ar\u012b palielin\u0101t sprieguma kapacit\u0101ti maz\u0101k\u0101s un viegl\u0101k\u0101s sist\u0113m\u0101s.<\/p>\n
SiC ir k\u013cuvis par b\u016btisku materi\u0101lu elektromobi\u013cu (EV) nozar\u0113 \u2014 s\u0101kot no maziem invertoriem l\u012bdz lieliem p\u0101rveidot\u0101jiem un akumulatoriem. \u0160\u012b joma pied\u0101v\u0101 milz\u012bgu izaugsmes potenci\u0101lu SiC tehnolo\u0123iju ra\u017eot\u0101jiem; t\u0101d\u0113\u013c ir \u0101rk\u0101rt\u012bgi svar\u012bgi, lai vi\u0146i b\u016btu inform\u0113ti par jaun\u0101kaj\u0101m tendenc\u0113m, kas var\u0113tu ietekm\u0113t piepras\u012bjumu p\u0113c vi\u0146u produktiem.<\/p>\n
Jaunajos elektromobi\u013cos tiek izmantotas baterijas ar daudz liel\u0101ku jaudu, un to invertoriem ir nepiecie\u0161ama liel\u0101ka jauda, lai nodro\u0161in\u0101tu \u0161\u012bs slodzes p\u0101rvald\u012bbu, t\u0101d\u0113j\u0101di uz vienu invertoru ir nepiecie\u0161ams liel\u0101ks MOSFET skaits, kas, iesp\u0113jams, palielin\u0101s piepras\u012bjumu p\u0113c sil\u012bcija karb\u012bda MOSFET.<\/p>\n
Lai apmierin\u0101tu \u0161o pieaugo\u0161o piepras\u012bjumu, uz\u0146\u0113mumiem ir j\u0101izstr\u0101d\u0101 pamatota p\u0101rstr\u0101des strat\u0113\u0123ija, kas \u0146emtu v\u0113r\u0101 tirgus, v\u0113rt\u012bbas \u0137\u0113des un tehnolo\u0123iju dinamiku. Uz\u0146\u0113mumi, kas sp\u0113s \u0101tri att\u012bst\u012bt galven\u0101s sp\u0113jas un veidot partner\u012bbas, kas atbalsta elektromobi\u013cu biznesu, ieg\u016bs konkurences priek\u0161roc\u012bbas un rad\u012bs pievienoto v\u0113rt\u012bbu; tas ietvers ar\u012b reinvest\u012bciju termi\u0146u p\u0101rskat\u012b\u0161anu, lai nodro\u0161in\u0101tu, ka tie neatpaliek no piepras\u012bjuma izmai\u0146\u0101m.<\/p>\n
Sil\u012bcija karb\u012bds (SiC) ir sint\u0113tisks r\u016bpniec\u012bbas miner\u0101ls, ko pla\u0161i izmanto daudz\u0101s nozar\u0113s t\u0101 izcilo \u012bpa\u0161\u012bbu d\u0113\u013c, piem\u0113ram, ciet\u012bbas, iztur\u012bbas pret augst\u0101m temperat\u016br\u0101m un \u0137\u012bmisk\u0101s iztur\u012bbas d\u0113\u013c. Lai gan moissan\u012bts dab\u0101 sastopams tikai nelielos daudzumos noteiktos meteor\u012btos vai korunda atradn\u0113s, liel\u0101k\u0101 da\u013ca m\u016bsdien\u0101s ra\u017eot\u0101 SiC ir sint\u0113tiskais variants granulu vai pulvera veid\u0101.<\/p>\n
Diem\u017e\u0113l liela da\u013ca materi\u0101la, kas non\u0101k ra\u017eo\u0161anas l\u012bnij\u0101s, k\u013c\u016bst par ra\u017eo\u0161anas procesu blakusproduktiem, un liela da\u013ca izded\u017eu atkritumu (kas satur sil\u012bciju un oglekli) parasti tiek izmesti kr\u0101sn\u012bs k\u0101 atkritumi. L\u012bdz \u0161im vien\u012bg\u0101 iesp\u0113ja bija sadedzin\u0101\u0161ana vai solvol\u012bze, kas ir energoietilp\u012bga un rada b\u012bstamus blakusproduktus.<\/p>\n
P\u0113tnieki ir izstr\u0101d\u0101ju\u0161i procesu, ko sauc par \u201eflash upcycling\u201d, lai p\u0101rv\u0113rstu \u0161o izded\u017eu augstas kvalit\u0101tes sil\u012bcija karb\u012bd\u0101 (SiC). Sildot to inertas atmosf\u0113ras kr\u0101sn\u012b temperat\u016br\u0101, kas sasniedz 2 400 \u00b0C, \u201eflash upcycling\u201d proces\u0101 tiek ieg\u016bts t\u012brs sil\u012bcija karb\u012bds, ko var izmantot daudz\u0101s jom\u0101s.<\/p>\n
\u0160im izded\u017eiem ir pieejami atdal\u012b\u0161anas un att\u012br\u012b\u0161anas procesi, ta\u010du to sp\u0113ja ieg\u016bt augstas kvalit\u0101tes materi\u0101lus, piem\u0113ram, izmanto\u0161anai augstas kvalit\u0101tes lietojumos, ir ierobe\u017eota graudu izm\u0113ra ierobe\u017eojumu un grie\u0161anas veiktsp\u0113jas probl\u0113mu d\u0113\u013c; pa\u0161reiz\u0113j\u0101s p\u0101rstr\u0101des metodes ietver zem\u0101kas kvalit\u0101tes produktu ra\u017eo\u0161anu vai apglab\u0101\u0161anu; Fraunhofer IKTS ir izstr\u0101d\u0101jis pieejamu metodi pulverveida SiC atkritumu p\u0101rstr\u0101dei, izmantojot vienk\u0101r\u0161us, bet ekonomiskus procesus un produktus.<\/p>\n
Sil\u012bcija karb\u012bds ir cieta un iztur\u012bga neoks\u012bda keramika ar iespaid\u012bgu fizik\u0101lo un \u0137\u012bmisko \u012bpa\u0161\u012bbu kl\u0101stu, piem\u0113ram, augstu iztur\u012bbu, zemu siltuma izple\u0161anos un sp\u0113ju iztur\u0113t ekstrem\u0101las temperat\u016bras \u2014 \u0161\u012bs \u012bpa\u0161\u012bbas ir padar\u012bju\u0161as to popul\u0101ru gan k\u0101 ugunsiztur\u012bgu materi\u0101lu, gan k\u0101 jaudas elektronikas komponentus elektriskajiem transportl\u012bdzek\u013ciem un 5G bezvadu raid\u012bt\u0101jiem. Diem\u017e\u0113l sil\u012bcija karb\u012bda ra\u017eo\u0161anas izmaksas joproj\u0101m ir sal\u012bdzino\u0161i augstas.<\/p>\n
SiC ir pla\u0161i atz\u012bts par savu \u013coti augstas kvalit\u0101tes kristaliz\u0113to formu, ko izmanto medic\u012bnisk\u0101m vajadz\u012bb\u0101m, piem\u0113ram, grie\u0161anas instrumentu un \u0137irur\u0123isko implantu ra\u017eo\u0161an\u0101. P\u0113c apl\u0113s\u0113m, t\u0101 gada ra\u017eo\u0161anas izmaksas var\u0113tu sasniegt pat $1,5 miljardus!<\/p>\n
P\u0113tnieki ir veiksm\u012bgi izstr\u0101d\u0101ju\u0161i videi draudz\u012bgu metodi, k\u0101 no stikla un plastmasas atkritumiem ra\u017eot sil\u012bcija karb\u012bdu. Izmantojot energoefekt\u012bvu \u201eflash upcycling\u201d procesu, vi\u0146i ir p\u0101rveidoju\u0161i nolietotus stikla \u0161\u0137iedras pastiprin\u0101tos plastmasas materi\u0101lus (GFRP) par sil\u012bcija karb\u012bdu (SiC). GFRP ir pla\u0161i izplat\u012bts materi\u0101ls, ko var atrast visur \u2014 s\u0101kot no lidma\u0161\u012bnu deta\u013c\u0101m l\u012bdz pat v\u0113ja \u0123eneratoru l\u0101pst\u0101m \u2014, ta\u010du t\u0101 iztur\u012bg\u0101s un ilgm\u016b\u017e\u012bg\u0101s \u012bpa\u0161\u012bbas bie\u017ei vien apgr\u016btina t\u0101 p\u0101rstr\u0101di, kad t\u0101 kalpo\u0161anas laiks ir beidzies.<\/p>\n
\u201eFlash upcycling\u201d ir videi draudz\u012bga alternat\u012bva sadedzin\u0101\u0161anai un solvol\u012bzei, kur\u0101 tiek izmantotas toksiskas \u0137\u012bmiskas vielas. Turkl\u0101t dz\u012bves cikla anal\u012bze liecina, ka \u0161\u012b re\u0123enerat\u012bv\u0101 sist\u0113ma rada maz\u0101ku ener\u0123ijas pat\u0113ri\u0146u, siltumn\u012bcefekta g\u0101zu emisijas un \u016bdens pat\u0113ri\u0146u nek\u0101 tradicion\u0101l\u0101s FRP apglab\u0101\u0161anas metodes.<\/p>\n
<\/p>","protected":false},"excerpt":{"rendered":"
Silicon Carbide (SiC) has emerged as an essential technological material. It’s utilized for use in abrasives, technical ceramics and refractories – as well as semiconductor manufacturing. Produced by heating silica sand mixed with carbon in the form of petroleum coke at high temperatures in huge open “Acheson” furnaces, SiC is then produced in both Green […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"footnotes":""},"categories":[64],"tags":[],"class_list":["post-378","post","type-post","status-publish","format-standard","hentry","category-knowledge"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/ceramicatijolart.com\/lv\/wp-json\/wp\/v2\/posts\/378","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ceramicatijolart.com\/lv\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ceramicatijolart.com\/lv\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ceramicatijolart.com\/lv\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ceramicatijolart.com\/lv\/wp-json\/wp\/v2\/comments?post=378"}],"version-history":[{"count":3,"href":"https:\/\/ceramicatijolart.com\/lv\/wp-json\/wp\/v2\/posts\/378\/revisions"}],"predecessor-version":[{"id":530,"href":"https:\/\/ceramicatijolart.com\/lv\/wp-json\/wp\/v2\/posts\/378\/revisions\/530"}],"wp:attachment":[{"href":"https:\/\/ceramicatijolart.com\/lv\/wp-json\/wp\/v2\/media?parent=378"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ceramicatijolart.com\/lv\/wp-json\/wp\/v2\/categories?post=378"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ceramicatijolart.com\/lv\/wp-json\/wp\/v2\/tags?post=378"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}