Sil\u012bcija karb\u012bds (SiC) ir progres\u012bvs keramikas materi\u0101ls ar izcilu karstumiztur\u012bbu un iztur\u012bbas \u012bpa\u0161\u012bb\u0101m. Dab\u0101 sastopams k\u0101 retais miner\u0101ls moizan\u012bts, bet SiC pulvera ra\u017eo\u0161ana ir k\u013cuvusi pla\u0161i izplat\u012bta, lai to izmantotu abraz\u012bvos materi\u0101los.<\/p>\n
\u0160o materi\u0101lu izmanto ne tikai glaz\u0113\u0161anai, bet ar\u012b samazin\u0101\u0161anas efektu, piem\u0113ram, burbu\u013cu un p\u016bsl\u012b\u0161u veido\u0161anai, kas var rad\u012bt potenci\u0101las probl\u0113mas kr\u0101sn\u012bs, piem\u0113ram, p\u0101rm\u0113r\u012bgu burbu\u013cu veido\u0161anos un kr\u0101teru veido\u0161anos.<\/p>\n
Sil\u012bcija karb\u012bds ir viens no ciet\u0101kajiem materi\u0101liem uz Zemes - otrs p\u0113c dimanta. Sil\u012bcija karb\u012bda ciet\u012bbas r\u0101d\u012bt\u0101js Mosa skal\u0101 ir 9, t\u0101p\u0113c tas var lepoties ar iespaid\u012bgu iztur\u012bbu un iztur\u012bbu pret fizisku nodilumu, kas ir ide\u0101las \u012bpa\u0161\u012bbas lietojumiem, kuros tas tiek pak\u013cauts augst\u0101m temperat\u016br\u0101m un meh\u0101niskai slodzei. T\u0101p\u0113c j\u016bs bie\u017ei atrad\u012bsiet t\u0101das deta\u013cas k\u0101 s\u016bk\u0146u bl\u012bves, v\u0101rsti un sprauslas, kas izgatavotas, izmantojot \u0161o keramikas materi\u0101lu bez oks\u012bda.<\/p>\n
PEEK ir ar\u012b zems termisk\u0101s izple\u0161an\u0101s \u0101trums un lieliska iztur\u012bba pret sk\u0101b\u0113m, un tas var iztur\u0113t temperat\u016bru l\u012bdz pat 1600 gr\u0101diem C, nesalstot. Turkl\u0101t t\u0101 spiedes iztur\u012bba padara to piem\u0113rotu ekstr\u016bzijas form\u0113\u0161anai, k\u0101 ar\u012b iesmidzin\u0101\u0161anai.<\/p>\n
Sil\u012bcija karb\u012bds ir pusvad\u012bt\u0101ju materi\u0101ls, kas noz\u012bm\u0113, ka tas labi vada elektr\u012bbu un to var izmantot elektronik\u0101. Pateicoties t\u0101 unik\u0101lajai atomu strukt\u016brai, sil\u012bcija karb\u012bdam piem\u012bt pusvad\u012bt\u0101ja \u012bpa\u0161\u012bbas, kas \u013cauj to izmantot da\u017e\u0101d\u0101s elektronisk\u0101s ier\u012bc\u0113s un komponentos.<\/p>\n
Juna modulis, kas ir svar\u012bgs r\u0101d\u012bt\u0101js materi\u0101liem, kuriem j\u0101iztur liels spiediens, padara tit\u0101nu par lielisku materi\u0101lu izv\u0113li t\u0101diem meh\u0101niskiem lietojumiem k\u0101 virzu\u013ci un gult\u0146i dzin\u0113jos. Pateicoties t\u0101 zemajam termisk\u0101s izple\u0161an\u0101s koeficientam un augstaj\u0101m stipr\u012bbas \u012bpa\u0161\u012bb\u0101m, tit\u0101ns ir laba siltumvad\u012btsp\u0113ja, k\u0101 ar\u012b iztur\u012bgs pret \u0137\u012bmisko koroziju, t\u0101p\u0113c tas ir piem\u0113rots sast\u0101vda\u013c\u0101m, kur\u0101m j\u0101iztur sk\u0101bju vai s\u0101rmu iedarb\u012bba.<\/p>\n
Sil\u012bcija karb\u012bds ir viena no korozijiztur\u012bg\u0101kaj\u0101m ugunsiztur\u012bgaj\u0101m keramik\u0101m tirg\u016b, kas nodro\u0161ina iev\u0113rojamu iztur\u012bbu augst\u0101 temperat\u016br\u0101, iztur\u012bbu pret termiskiem triecieniem, izcilu \u0137\u012bmisko stabilit\u0101ti un izcilas meh\u0101nisk\u0101s \u012bpa\u0161\u012bbas. Pateicoties \u0161ai kombin\u0101cijai, sil\u012bcija karb\u012bds ir k\u013cuvis par vienu no piem\u0113rot\u0101kajiem materi\u0101liem lietojumiem, kam nepiecie\u0161ama gan ciet\u012bba, gan iztur\u012bba pret koroziju; lietojumi ietver brem\u017eu klu\u010dus pat\u0113ri\u0146a automobi\u013ciem, k\u0101 ar\u012b \u0137\u012bmiskaj\u0101s r\u016bpn\u012bc\u0101s, meh\u0101niskos bl\u012bv\u0113jumus, dzirnavas, papla\u0161in\u0101\u0161anas iek\u0101rtas, sprauslas, k\u0101 ar\u012b darbgaldu un iek\u0101rtu nodilsto\u0161\u0101s da\u013cas - un tas ir tikai da\u017ei no tiem!<\/p>\n
Sil\u012bcija karb\u012bda iztur\u012bba pret koroziju liel\u0101 m\u0113r\u0101 ir saist\u012bta ar aizsarg\u0101jo\u0161u virsmas pl\u0113v\u012bti vai p\u0101rkl\u0101jumu, kas veidojas uz t\u0101 atkl\u0101taj\u0101m keramiskaj\u0101m virsm\u0101m un ko sauc par oks\u012bda barjeru. \u0160\u012b barjera kav\u0113 tie\u0161as reakcijas starp keramikas substr\u0101tu un uzbr\u016bko\u0161aj\u0101m sug\u0101m un nosaka t\u0101s parabolisko korozijas kin\u0113tiku, kas savuk\u0101rt ir atkar\u012bga no da\u017e\u0101diem vides un materi\u0101lam specifiskiem faktoriem, k\u0101 ar\u012b no termisk\u0101s\/meh\u0101nisk\u0101s spriedzes, kas rodas degrad\u0101cijas procesu laik\u0101.<\/p>\n
Umax uzlabotie keramiskie siltummai\u0146i ir izgatavoti no alfa sa\u0137epin\u0101ta sil\u012bcija karb\u012bda (SiC), kas ir \u012bpa\u0161i iztur\u012bgs pret koroziju. M\u016bsu siltummai\u0146i ir izstr\u0101d\u0101ti darbam skarb\u0101 darba vid\u0113, piem\u0113ram, met\u0101lu kodin\u0101\u0161anai ar fluor\u016bde\u0146ra\u017esk\u0101bi, sl\u0101pek\u013csk\u0101bes un s\u0113rsk\u0101bes \u0161\u0137\u012bdumiem un citiem \u0137\u012bmiskiem savienojumiem - m\u016bsu siltummai\u0146i labi iztur spiedienu!<\/p>\n
SiC keramika var lepoties ar augst\u0101ku siltumvad\u012btsp\u0113ju sal\u012bdzin\u0101jum\u0101 ar stiklu vai alum\u012bnija oks\u012bdu, k\u0101 ar\u012b ar liel\u0101ko da\u013cu ugunsiztur\u012bgo materi\u0101lu (iz\u0146emot korundu (paz\u012bstams ar\u012b k\u0101 karborunds). To var izskaidrot ar to lielo bl\u012bvumu un sal\u012bdzino\u0161i lielo poru tilpumu, kas rada zemu \u012bpatn\u0113jo siltumu; t\u0101p\u0113c tie ir ide\u0101li abraz\u012bvie izstr\u0101d\u0101jumi, tostarp konsolid\u0113ti, p\u0101rkl\u0101ti, br\u012bvi sl\u012bp\u0113jami abraz\u012bvie materi\u0101li stikla keramikas akmens \u010duguna apstr\u0101dei; tos pla\u0161i izmanto ar\u012b k\u0101 nojumes d\u0113\u013cus vai sagerus keramikas izstr\u0101d\u0101jumu apdedzin\u0101\u0161anas kr\u0101sn\u012bs.<\/p>\n
Keramikas \u0161\u0137iedras ir viena no viegl\u0101kaj\u0101m un ciet\u0101kaj\u0101m r\u016bpniecisk\u0101s keramikas \u0161\u0137iedr\u0101m, kam piem\u012bt \u0101rk\u0101rt\u012bgi augsts Junga modulis. T\u0101s var iztur\u0113t augstas temperat\u016bras, nezaud\u0113jot fizik\u0101l\u0101s \u012bpa\u0161\u012bbas, un ir iztur\u012bgas pret daudz\u0101m organiskaj\u0101m un neorganiskaj\u0101m \u0137\u012bmiskaj\u0101m viel\u0101m, piem\u0113ram, fosforsk\u0101bi, s\u0113rsk\u0101bi un sl\u0101pek\u013csk\u0101bi.<\/p>\n
Sil\u012bcija karb\u012bda \u0137\u012bmisk\u0101 stabilit\u0101te padara to par ide\u0101lu materi\u0101lu abraz\u012bvu, ugunsiztur\u012bgo materi\u0101lu un struktur\u0101l\u0101s keramikas ra\u017eo\u0161anai. Sil\u012bcija karb\u012bdam ir galven\u0101 loma stikla ra\u017eo\u0161anas procesos, ra\u017eojot keramikas ugunsiztur\u012bgos materi\u0101lus uz izded\u017eu b\u0101zes; iztur\u012bgus gult\u0146us \u0101trgaitas ma\u0161\u012bn\u0101m; necaur\u0161aujamas keramikas pl\u0101ksnes, ko izmanto k\u0101 bru\u0146as. American Elements pied\u0101v\u0101 gan augstas t\u012br\u012bbas pak\u0101pes sil\u012bcija karb\u012bdu pulvera veid\u0101; to standarta \u0161\u0137iras ir Mil Spec; ACS Reagent Grade Technical Food Pharmaceutical Pharmaceutical Grade; un Optical Grade - m\u016bsu standarta \u0161\u0137iras ir Mil Spec; ACS Reagent un Technical Grade; Food Pharmaceutical Pharmaceutical Grade; Food Agriculture Pharmaceutical Grade; un Optical Grade, kas paredz\u0113tas bru\u0146uvestes ra\u017eo\u0161anas procesiem. American Elements ra\u017eo augstas t\u012br\u012bbas pak\u0101pes sil\u012bcija karb\u012bdu gan granul\u0101s, gan pulver\u012b, s\u0101kot no Mil Spec l\u012bdz lo\u017eu necaurlaid\u012bg\u0101m keramikas pl\u0101ksn\u0113m, ko izmanto k\u0101 bru\u0146uvestes pl\u0101ksnes, kuras bru\u0146uvestu ra\u017eot\u0101ji izmanto bru\u0146uvestu ra\u017eo\u0161anas l\u012bnij\u0101s. M\u016bsu standarta \u0161\u0137iras ietver Mil Spec; Food Pharmaceutical Grade Food Pharmaceutical Grade, ko izmanto k\u0101 bru\u0146uvestes sast\u0101vda\u013cas, k\u0101 ar\u012b lo\u017eu necaurlaid\u012bgas keramikas pl\u0101ksnes, ko izmanto k\u0101 sast\u0101vda\u013cas, ko izmanto k\u0101 sast\u0101vda\u013cas. American Elements ra\u017eo gan Mil Spec ACS Reagent Technical Food Pharmaceutical Grade Food Agriculture Pharmaceutical Pharmaceutical Grade Food Agriculture Pharmaceutical Pharmaceutical Grade Food Agriculture Pharmaceutical Pharmaceutical Grade Food, Agriculture Pharmaceutical Grade Food, Agriculture Pharmaceutical Grade for body armor plates used as component bulletproof ceramic plates used as components incorporated in body armor production. M\u0113s ra\u017eojam gan augstas t\u012br\u012bbas pak\u0101pes sil\u012bcija karb\u012bdu gan granulu, gan pulvera veid\u0101 bru\u0146uvestes ra\u017eo\u0161anas procesos; \u0161\u012bs lo\u017eu necaurlaid\u012bg\u0101s pl\u0101ksnes, kas iek\u013cautas \u0137erme\u0146a bru\u0146u ra\u017eo\u0161an\u0101, lai iek\u013cautu \u0137erme\u0146a bru\u0146u ra\u017eo\u0161an\u0101, iek\u013caujot lo\u017eu necaurlaid\u012bg\u0101s pl\u0101ksnes, ko izmanto \u0137erme\u0146a bru\u0146u ra\u017eo\u0161an\u0101, un lo\u017eu necaurlaid\u012bg\u0101s keramikas pl\u0101ksnes, kas iek\u013cautas \u0137erme\u0146a bru\u0146u ra\u017eo\u0161an\u0101, un lo\u017eu necaurlaid\u012bg\u0101s keramikas pl\u0101ksnes, kas iek\u013cauj t\u0101s, k\u0101 ar\u012b lo\u017eu necaurlaid\u012bg\u0101s keramikas pl\u0101ksnes, kas iek\u013cautas \u0137erme\u0146a bru\u0146u pl\u0101ksn\u0113s, ko izmanto ar p\u0101rtikas un farm\u0101cijas pak\u0101pes un farm\u0101cijas pak\u0101pes un farm\u0101cijas pak\u0101pes un farm\u0101cijas un farm\u0101cijas pak\u0101pes, k\u0101 ar\u012b optisk\u0101s pak\u0101pes produktiem \u0137erme\u0146a aizsardz\u012bbai utt.; American Elements ra\u017eo augstas t\u012br\u012bbas pak\u0101pes lo\u017eu necaurlaid\u012bg\u0101s pl\u0101ksnes, kas ietver \u0137erme\u0146a bru\u0146u komponentus. American Elements ra\u017eo gan Mil Grain gan pulveri ar lo\u017eu necaurlaid\u012bgu pl\u0101k\u0161\u0146u komponentiem lo\u017eu necaurlaid\u012bgu pl\u0101k\u0161\u0146u, kas komponenti k\u0101 komponenti lo\u017eu necaurlaid\u012bgu keramikas lo\u017eu necaurlaid\u012bgu keramikas pl\u0101k\u0161\u0146u lo\u017eu necaurlaid\u012bgu \u0137erme\u0146a bru\u0146as izmanto lo\u017eu necaurlaid\u012bgu pl\u0101k\u0161\u0146u \u0137erme\u0146a bru\u0146as ra\u017eo\u0161anu. American Elements high pure silicon carium bulletproof ceramic plates components body armor production. American Elements ra\u017eo augstas t\u012br\u012bbas pak\u0101pes ra\u017eotas necaursp\u012bd\u012bgas keramikas necaursp\u012bd\u012bgas keramikas pl\u0101ksnes necaursp\u012bd\u012bgas keramikas pl\u0101ksnes \u0137erme\u0146a bru\u0146u \u0137erme\u0146iem, lai ra\u017eotu k\u0101 sast\u0101vda\u013cas lietotas necaursp\u012bd\u012bgas keramikas pl\u0101ksnes necaursp\u012bd\u012bgas pl\u0101ksnes komponenti \u0137erme\u0146a bru\u0146u necaursp\u012bd\u012bgas keramikas pl\u0101ksnes necaursp\u012bd\u012bgas keramikas pl\u0101ksnes lietotas \u0137erme\u0146a bru\u0146u ra\u017eo\u0161ana. M\u016bsu standarta pak\u0101pes; Mil Optical \u0137erme\u0146a bru\u0146u bru\u0146u bru\u0146u pl\u0101tnes, lai iek\u013cautu lo\u017eu necaurlaid\u012bgas pl\u0101ksnes, ko izmanto k\u0101 lo\u017eu necaurlaid\u012bgu keramikas pl\u0101ksni. American Elements ra\u017eo gan Mil ACS Reas Ra\u017eo ra\u017eo augstas granulu ra\u017eo gan Mil ACS Reas ra\u017eo gan Mil ACS Reas ra\u017eo gan Mil ACS Reas ra\u017eo ar\u012b Mil ACS Reas ra\u017eo. M\u016bsu standarta klases: Mil; Food Ag Pharmaceutical grade bulletproof ceramic plates bulletproof body armor bulletproofs plates used incorporated bulletproof ceramic used bulletproof plates which incorporate bulletproof ceramic components that incorporate bulletproof plates used incorporated body armor plates used bulletproof ceramic plates that incorporate in body armor bulletproof ceramic plates that incorporate in body armor bulletproof ceramic plates that incorporate bulletproof plates. M\u016bsu standarta \u0161\u0137iras, tostarp p\u0101rtikas lauksaimniec\u012bbas farm\u0101cijas pak\u0101pes; p\u0101rtikas; p\u0101rtikas farm\u0101cijas pak\u0101pes k\u0101 lo\u017eu necaurlaid\u012bgas pl\u0101ksnes \u0137erme\u0146a bru\u0146as pl\u0101ksnes, kas iek\u013cauj lo\u017eu necaurlaid\u012bgas keramikas pl\u0101ksnes lo\u017eu necaurlaid\u012bgas pl\u0101ksnes iek\u013cautas \u0137erme\u0146a bru\u0146as lo\u017eu necaurlaid\u012bgas pl\u0101ksnes lietotas lo\u017eu necaurlaid\u012bgas pl\u0101ksnes lo\u017eu necaurlaid\u012bgas pl\u0101ksnes ra\u017eo gan granulas ra\u017eo augstas t\u012br\u012bbas pak\u0101pes sil\u012bcija karb\u012bdu ra\u017eo gan Mil, Reas labi. American Elements ra\u017eo gan Mil granular grade all make produkciju, bet American Elements ra\u017eo augstas t\u012br\u012bbas pak\u0101pes k\u0101 lo\u017eu necaurlaid\u012bgas pl\u0101ksnes ir gan Mil, gan farm\u0101cijas pak\u0101pes, bet American Elements ra\u017eo lo\u017eu necaurlaid\u012bgas pl\u0101ksnes izmanto lo\u017eu necaurlaid\u012bgu keramikas<\/p>\n
Sil\u012bcija karb\u012bda (SiC) keramiku var atrast daudzos lietojumos, kur nepiecie\u0161ama augsta iztur\u012bba, laba iztur\u012bba pret koroziju, siltuma un elektrisk\u0101 vad\u012btsp\u0113ja, k\u0101 ar\u012b siltuma regul\u0113\u0161ana. SiC izmanto, piem\u0113ram, \u0137\u012bmisk\u0101s p\u0101rstr\u0101des r\u016bpn\u012bc\u0101s, ener\u0123\u0113tikas un kodolener\u0123\u0113tikas uz\u0146\u0113mumos, k\u0101 ar\u012b augstas veiktsp\u0113jas ugunsiztur\u012bgo materi\u0101lu, piem\u0113ram, kr\u0101\u0161\u0146u plauktu, deg\u013cu sprauslu, str\u016bklu cauru\u013cu un citu metalur\u0123ijas nozaru izstr\u0101d\u0101jumu ra\u017eo\u0161an\u0101.<\/p>\n
SiC ir unik\u0101ls keramikas izstr\u0101d\u0101jumu vid\u016b ar savu bl\u012bvumu un izcilaj\u0101m meh\u0101niskaj\u0101m \u012bpa\u0161\u012bb\u0101m augst\u0101s temperat\u016br\u0101s p\u0113c form\u0113\u0161anas, pat p\u0113c form\u0113\u0161anas. Saint-Gobain Performance Ceramics & Refractories ra\u017eo piln\u012bb\u0101 sabl\u012bv\u0113tu sa\u0137epin\u0101tu sil\u012bcija karb\u012bdu (SiSiC), kas ra\u017eots, izmantojot da\u017e\u0101das form\u0113\u0161anas metodes, un sa\u0137epin\u0101ts \u0101rk\u0101rt\u012bgi augst\u0101 temperat\u016br\u0101; \u0161o SiC veidu bie\u017ei d\u0113v\u0113 par \"lo\u017eu necaurlaid\u012bgu keramiku\".<\/p>\n
Porainas SiC keramikas elektrovad\u012btsp\u0113ja ir \u013coti atkar\u012bga no t\u0101s politipa, dopinga apst\u0101k\u013ciem, piedevu sast\u0101va un mikrostrukt\u016bras. To var modific\u0113t, mainot met\u0101lu nitr\u012bdu\/karb\u012bdu saturu, k\u0101 ar\u012b apstr\u0101des apst\u0101k\u013cus\/porain\u012bbas procentu\u0101lo da\u013cu un sa\u0137epin\u0101\u0161anas atmosf\u0113ru.<\/p>\n
7. att\u0113l\u0101 redzams, ka n-veida porainas SiC keramikas elektrisk\u0101 vad\u012btsp\u0113ja palielin\u0101s, palielinoties porain\u012bbas procentu\u0101lajam daudzumam, k\u0101 tas par\u0101d\u012bts 8. un 9. att\u0113l\u0101. Tika izstr\u0101d\u0101ts un apstiprin\u0101ts line\u0101r\u0101s regresijas modelis, kas apraksta sakar\u012bbu starp porain\u012bbu un tilpuma pretest\u012bbu; tas \u013cauj prognoz\u0113t konkr\u0113tu morfolo\u0123iju vai krist\u0101lisko f\u0101\u017eu tilpuma pretest\u012bbu ar paredzam\u0101m tilpuma pretest\u012bbas v\u0113rt\u012bb\u0101m. Rezult\u0101ti pier\u0101da, ka ar porainu SiC var pan\u0101kt kontrol\u0113jamu porain\u012bbu elektriskajiem lietojumiem.<\/p>","protected":false},"excerpt":{"rendered":"
Sil\u012bcija karb\u012bds (SiC) ir progres\u012bvs keramikas materi\u0101ls ar izcilu karstumiztur\u012bbu un iztur\u012bbas \u012bpa\u0161\u012bb\u0101m. Dab\u0101 sastopams k\u0101 retais miner\u0101ls moizan\u012bts, bet SiC pulvera ra\u017eo\u0161ana ir k\u013cuvusi pla\u0161i izplat\u012bta, lai to izmantotu abraz\u012bviem materi\u0101liem. \u0160o materi\u0101lu izmanto ne tikai glaz\u0113\u0161anai, bet ar\u012b t\u0101du samazin\u0101\u0161anas efektu k\u0101 burbu\u013cu un p\u016bsl\u012b\u0161u veido\u0161anai, t\u0101d\u0113j\u0101di radot ...<\/p>\n