Dia3mm SiC Ceramic pob Silicon carbide Ceramic Polycrystaline

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Raws li hom tshiab ntawm inorganic non-metallic cov ntaub ntawv, SiC ceramics tau pom muaj peev xwm loj hauv ntau qhov chaw los ntawm kev tsim txiaj ntawm lawv cov khoom zoo heev. Nrog kev txhim kho txuas ntxiv ntawm kev tshawb fawb thiab thev naus laus zis thiab kev nthuav dav ntawm daim ntawv thov, silicon carbide ceramics yuav ua lub luag haujlwm tseem ceeb dua yav tom ntej.

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SiC ceramics muaj qhov nyuaj heev, thib ob tsuas yog pob zeb diamond, ua rau nws zoo heev hauv kev hnav tsis kam, khawb tsis kam thiab lwm yam. Nyob rau tib lub sijhawm, nws kuj muaj lub zog khoov siab thiab lub zog compressive, thiab tuaj yeem tswj kev ua haujlwm ruaj khov hauv qhov chaw hnyav xws li qhov kub thiab txias. Lub melting point ntawm silicon carbide ceramics yog siab li 2700 ℃, uas tuaj yeem khiav tau ntev hauv qhov kub thiab txias thiab tsis yooj yim rau deformation thiab degradation. Tsis tas li ntawd, silicon carbide ceramics muaj kev tiv thaiv zoo rau feem ntau cov kua qaub, cov hauv paus, ntsev thiab lwm yam tshuaj, thiab tsim nyog rau ntau yam tshuaj lom neeg hauv cheeb tsam. Thaum kawg, nws kuj muaj cov coefficient tsawg ntawm thermal expansion, uas tuaj yeem tswj qhov ruaj khov ntawm qhov chaw ntawm qhov kub thiab txias.

Kev siv ntawm SiC ceramics

Silicon carbide ceramics yog siv dav hauv kev tsim cov khoom siv hluav taws xob, xws li cov khoom siv hluav taws xob, cov hau hauv lub qhov cub, thiab cov thawv kub kub, vim nws qhov kub thiab txias thiab corrosion kuj. Lub caij no, nws cov hardness nruab nrab ntawm abrasive thiab txawm nplej tau dav siv hauv kev txiav, sib tsoo, polishing thiab lwm yam txheej txheem. Silicon carbide ceramic brake pads muaj cov coefficient siab ntawm kev sib txhuam thiab kev puas tsuaj, uas tuaj yeem siv rau hauv kev nres tsheb ntawm tsheb, tsheb ciav hlau thiab lwm yam tsheb thauj mus los. Tsis tas li ntawd, nws tuaj yeem siv rau cov khoom siv los tiv thaiv kev hnav, scraper conveyors, thoob elevator thiab lwm yam khoom siv kom txo tau cov khoom hnav. Silicon carbide ceramic heat exchanger muaj kev sib pauv cua sov zoo heev thiab yog siv dav hauv hluav taws xob, roj av, tshuaj thiab lwm yam lag luam. Thaum kawg, silicon carbide ceramic cav qhov chaw tuaj yeem tswj kev ua haujlwm ruaj khov hauv qhov kub thiab txias ib puag ncig, kev txhim kho lub zog ntawm lub cav thiab kev ua haujlwm zoo.