Kusuma chigadzirwa uye kushandiswa kweblack silicon carbide
Black silicon carbide(yakapfupikiswa seblack silicon carbide) chinhu chekugadzira chisiri-simbi chakagadzirwa nejecha requartz uye petroleum coke sechinhu chikuru chemidziyo uye chakanyungudutswa pakupisa kwakanyanya muchoto chekupikisa. Iine dema-grey kana dema dema chitarisiko, yakanyanya kuomarara, yakanaka yekupisa conductivity uye kugadzikana kwemakemikari. Iyo yakanakisa maindasitiri mbishi zvinhu uye inoshandiswa zvakanyanya mumabrasives, refractory zvinhu, simbi, ceramics, zvemagetsi uye mamwe minda.
Ⅰ. Kuita maitiro e black silicon carbide
Iyo Mohs kuoma kwedema nesilicon carbideyakakwira zvekusvika 9.2, yechipiri chete kune diamond uye cubic boron nitride, uye ine yakasimba zvakanyanya kupfeka kuramba uye kukanganiswa kwemaitiro. Nzvimbo yayo yekunyungudika inenge 2700 ° C, uye inogona kuchengetedza kugadzikana kwemaitiro munzvimbo dzekushisa kwepamusoro uye haisi nyore kuora kana kukanganisa. Uye zvakare, ine yakanaka yekupisa conductivity uye yakaderera thermal yekuwedzera coefficient, uye ichiri kuratidza yakanakisa thermal shock kugadzikana pasi pekushisa kwepamusoro uye yakanyanya kudzvanywa mamiriro.
Panyaya yezvigadzirwa zvemakemikari, nhema silicon carbide ine yakanaka corrosion resistance kune acids uye alkalis, uye inonyanya kukodzera kushandiswa kwemaindasitiri munzvimbo dzakaoma. Yayo yakakwirira conductivity inoita kuti ive imwe nzira yezvimwe zvemagetsi ekudziya zvinhu uye semiconductor minda.
Ⅱ. Main chigadzirwa mafomu uye zvakatemwa
Black silicon carbide inogona kugadzirwa kuita akasiyana siyana zvichienderana neakasiyana particle saizi uye mashandisiro:
Block zvinhu: makristasi makuru mushure mekunyungudutswa, anowanzo shandiswa kudzokorora kana semetallurgical additives;
Granular jecha (jecha F / P): inoshandiswa kugadzira mavhiri ekukuya, mabrasives ejecha, sandpaper, nezvimwewo;
Micro poda (W, D dzakatevedzana): inoshandiswa kwekupedzisira-chaiyo kugaya, kupukuta, ceramic sintering, nezvimwewo;
Nano-level micro poda: inoshandiswa kune yakakwirira-yekupedzisira emagetsi ceramics, thermal conductive composite zvinhu, nezvimwe.
Iyo particle size inotangira paF16 kusvika F1200, uye saizi yemicro poda inogona kusvika nanometer level, iyo inogona kugadzirwa zvinoenderana nezvinodiwa zvehunyanzvi zvendima dzakasiyana dzekushandisa.
Ⅲ. Nzvimbo huru dzekushandisa dzeblack silicon carbide
1. Abrasives uye maturusi ekukuya
Abrasives ndiyo inonyanya kushandiswa uye inonyanya kushandiswa nzvimbo nzvimbo dzeblack silicon carbide. Kutora mukana wehukukutu hwayo hwepamusoro uye kuzvirodza zvivakwa, nhema silicon carbide inogona kushandiswa kugadzira akasiyana mavhiri abrasive, senge mavhiri, kucheka madhisiki, sandpaper, kukuya misoro, kugaya paste, nezvimwewo, izvo zvakakodzerwa nekukuya nekugadzirisa zvinhu zvakaita sesimbi yakakandwa, simbi, simbi isina-ferrous, ceramics, girazi, simende zvigadzirwa.
Mabhenefiti ayo ari kukurumidza kugaya kumhanya, kwete nyore kuvhara, uye yakakwirira kugadzirisa kushanda zvakanaka. Inoshandiswa zvakanyanya mukugadzira simbi, kugadzira michina, kushongedza kwekuvaka uye mamwe maindasitiri.
2. Refractory zvinhu
Nekuda kwekudzikama kwayo kwekushisa uye kusagadzikana kwekuora, nhema silicon carbide inoshandiswa zvakanyanya mumunda wepamusoro-tembiricha refractory zvinhu. Inogona kugadzirwa kuita silicon carbide zvidhinha, choto linings, crucibles, thermocouple ekudzivirira machubhu, hovhoni maturusi, nozzles, tuyere zvidhinha, nezvimwewo, uye inoshandiswa zvakanyanya mumaindasitiri ekupisa kupisa akadai sesimbi, simbi, girazi, simende, nezvimwewo, kuwedzera hupenyu hwekushandisa uye kuchengetedza.
Uye zvakare, silicon carbide zvinhu zvine yakanaka antioxidant zvivakwa munzvimbo yepamusoro-tembiricha oxidizing uye yakakodzera kushandiswa munzvimbo dzakakosha dzemoto unopisa moto, kuputika kwefurnaces nemimwe michina.
3. Metallurgical industry
Mune metallurgical maitiro akadai sekugadzira simbi uye kukanda, nhema silicon carbide inogona kushandiswa se deoxidizer, inodziya mumiriri uye recarburizer. Nekuda kweiyo yakakwira kabhoni yemukati uye nekukurumidza kupisa kuburitswa, inogona zvinobudirira kuvandudza kunyungudutsa uye kugadzirisa kunaka kwesimbi yakanyungudutswa. Panguva imwecheteyo, inogonawo kuderedza kusvibiswa kwemukati mukunyunguduka uye kuita basa rekuchenesa simbi yakanyungudutswa.
Zvimwe zvigayo zvesimbi zvinowedzerawo imwe chikamu chesilicon carbide kugadzirisa kuumbwa mukunyungudutswa kwesimbi yakakandwa uye ductile iron kuchengetedza mutengo uye kunatsiridza mashandiro ekukanda.
4. Ceramics uye zvigadzirwa zvemagetsi
Black silicon carbide zvakare yakakosha mbishi zvinhu zveanoshanda ceramics. Inogona kushandiswa kugadzira ceramics yekugadzira, kupfeka-resistant ceramics, thermal conductive ceramics, nezvimwewo, uye ine tarisiro yakafara muminda yemagetsi, indasitiri yemakemikari, michina, nezvimwe. Iyo ine yakanakisa yekupisa conductivity, ine thermal conductivity inosvika 120 W / m · K, uye inowanzoshandiswa mune thermal conductive ceramics uye heatsimpasi ye LED disrsipa interface.
Uye zvakare, silicon carbide yakapinda zvishoma nezvishoma mumunda wemagetsi semiconductors uye inova iyo yakakosha zvinhu zvepamusoro-tembiricha uye yakakwirira-voltage zvishandiso. Kunyangwe kuchena kweiyo nhema silicon carbide yakadzikira zvishoma pane iyo yegirini silicon carbide, inoshandiswawo mune zvimwe zvepakati uye zvakaderera-voltage zvigadzirwa zvemagetsi.
5. Photovoltaic uye maindasitiri matsva emagetsi
Black silicon carbide poda inoshandiswa zvakanyanya mukucheka kwesilicon wafers muindasitiri yephotovoltaic. Sezvinoputika mudhaimondi wire cutting process, ine zvakanakira kuomarara kwepamusoro, yakasimbakuchekasimba, kurasikirwa kwakaderera, uye yakatsetseka yekucheka nzvimbo, iyo inobatsira kuvandudza kuchekwa kwakanaka uye goho resilicon wafers uye kuderedza wafer kurasikirwa mwero uye mutengo wekugadzira.
Nekuenderera mberi kwekuvandudzwa kwesimba idzva uye matekinoroji matsva, silicon carbide iri kugadzirwa zvakare kune minda iri kusimukira senge lithium bhatiri negative electrode additives uye ceramic membrane vatakuri.
Ⅳ. Pfupiso uye Outlook
Black silicon carbide inoita basa risingadzokerike muminda yakawanda yemaindasitiri neayo akanakisa mechaniki, kupisa uye makemikari zvimiro. Nekuenderera mberi kwekufambira mberi kwehunyanzvi hwekugadzira, chigadzirwa chechikamu saizi kudzora, kuchena kukwenenzvera uye nekuenderera mberi kwekuwedzera kweminda yekushandisa, nhema silicon carbide iri kusimukira yakanangana nekuita kwepamusoro uye nemazvo.
Mune ramangwana, nekukurumidza kusimuka kwemaindasitiri akadai sesimba idzva, zvemagetsi ceramics, yepamusoro-sorokugaya uye kugadzira zvine hungwaru, dema silicon carbide ichaita basa rinowedzera kukosha mumunda wekugadzirwa kwepamusoro-soro uye kuve chinhu chakakosha cheiyo yepamusoro zvinhu tekinoroji system.