T\u00e1 carb\u00f3n sileacain (dubh n\u00f3 glas) ar cheann de na substaint\u00ed is crua d\u00e1 bhfuil ann, agus \u00fas\u00e1idtear go forleathan \u00e9 in \u00e1bhar scr\u00edobach agus i gcodanna frithchaitheamhacha, i gceirmeacha agus i n-\u00e1bhair athraonta mar gheall ar a leathn\u00fa \u00edseal, a fhriota\u00edocht ar an teas agus a fhriota\u00edocht ar chreimeadh, chomh maith le h\u00fas\u00e1id i scr\u00edobhach\u00e1in mar gheall ar a chruas.<\/p>\n
\u00das\u00e1idtear anail\u00edseoir m\u00e9ide c\u00e1ithn\u00edn\u00ed Malvern Mastersizer 2000 chun sampla\u00ed p\u00fadair a ini\u00fachadh a luaithe is a thagann siad agus tar \u00e9is iad a mheilt, chun a fh\u00edor\u00fa an gcomhl\u00edonann an p\u00fadar na sonra\u00edochta\u00ed agus chun d\u00e1ileadh mh\u00e9id a ghr\u00e1inneach a chinneadh. Ligeann na sonra\u00ed seo d\u00fainn comhl\u00edonadh na gc\u00e1ithn\u00edn\u00ed a rian\u00fa.<\/p>\n
Is comhph\u00e1irt l\u00e1rnach \u00e9 p\u00fadar carbide sileacain i gceirmeacha ardfheidhm\u00edochta a \u00fas\u00e1idtear i dtionscail \u00e9ags\u00fala. T\u00e1 air\u00edonna eisceacht\u00fala cruas, cobhsa\u00edochta teirmeacha, agus friota\u00edochta ceimice aige a chuid\u00edonn le marthanacht fhadt\u00e9armach feidhmchl\u00e1r ceirmeach ardl\u00e9ibh\u00e9il.<\/p>\n
Is pr\u00edomh-chomhph\u00e1irteanna iad ceirmeacha carb\u00f3ide sileacain, mar shampla, san leictreonaic chumhachta a \u00fas\u00e1idtear i bhfeithicl\u00ed leictreacha (EVanna) agus i dteicneola\u00edochta\u00ed fuinnimh ghr\u00e9ine. Ligeann a gcumas voltas ard agus teocht ard a sheasamh d\u00f3ibh bainist\u00edocht \u00e9ifeacht\u00fail fuinnimh a shol\u00e1thar.<\/p>\n
Crutha\u00edonn t\u00e1irgeadh p\u00fadair charb\u00f3ide sileacain d\u00fashl\u00e1in comhshaoil ar leith, ach mar sin f\u00e9in t\u00e1 monar\u00f3ir\u00ed ag \u00e9ir\u00ed n\u00edos aireach agus cleachtais inbhuanaithe \u00e1 nglacadh acu. Tr\u00ed \u00fas\u00e1id a bhaint as foins\u00ed fuinnimh in-athnuaite agus as c\u00f3rais athch\u00fars\u00e1la, is f\u00e9idir le monar\u00f3ir\u00ed east\u00f3scadh acmhainn\u00ed agus an m\u00e9id a chuirtear i l\u00edonta tal\u00fan a \u00edoslaghd\u00fa, agus ag an am c\u00e9anna costais oibri\u00fach\u00e1in a ghearradh agus c\u00e1il\u00edocht an t\u00e1irge a fheabhs\u00fa.<\/p>\n
Cuid\u00edonn tois\u00ed beachta agus cruth comhsheasmhach na gc\u00e1ithn\u00edn i gcarb\u00e1id sileacain n\u00edtr\u00edde le h\u00fas\u00e1ideoir\u00ed r\u00e1ta\u00ed gearrtha arda agus bailchr\u00edocha den scoth a bhaint amach le linn oibr\u00edochta\u00ed d\u00e9ant\u00fasa\u00edochta. Ina theannta sin, ligeann a inmeascaitheacht le comhdh\u00faile iompr\u00f3ra \u00e9ags\u00fala d'\u00fas\u00e1ideoir\u00ed \u00e1bhar scr\u00edobach saincheaptha a fhoirmi\u00fa \u2013 mar shampla, cuireann Premasol a Chomhdh\u00fail SiC ar f\u00e1il in iompr\u00f3ir\u00ed ola-bhunaithe, in iompr\u00f3ir\u00ed uisce n\u00f3 in iompr\u00f3ir\u00ed uil\u00edocha chun freastal ar aon riachtanais fh\u00e9ideartha feidhme.<\/p>\n
T\u00e1 Carb\u00f3n Sileacain anois ina \u00e1bhar f\u00edor-riachtanach i go leor feidhmchl\u00e1r tionscla\u00edoch, \u00f3 \u00e1bhar scr\u00edobach a chuireann dl\u00fas le pr\u00f3isis t\u00e1irgthe sa d\u00e9ant\u00fasa\u00edocht go comhph\u00e1irteanna a chumhachta\u00edonn an ch\u00e9ad ghl\u00fain eile d'fheist\u00ed leictreonacha. Tugann an t-\u00e1bhar r\u00e9abhl\u00f3ideach seo cruas den scoth, friota\u00edocht in aghaidh teochta agus air\u00edonna den ch\u00e9ad scoth eile \u2013 tr\u00e9ithe riachtanacha in chomh\u00e1bhar tionscla\u00edoch bun\u00fasach.<\/p>\n
Chun an fheidhm\u00edocht is fearr a bhaint as p\u00fadar carb\u00f3ide sileacain, cinntigh go dtagann s\u00e9 \u00f3 shol\u00e1thra\u00ed iontaofa a bhfuil bearta diana rialaithe c\u00e1il\u00edochta i bhfeidhm aige agus a chlo\u00edonn le caighde\u00e1in an tionscail. Ina theannta sin, n\u00ed m\u00f3r clo\u00ed le cleachtais chu\u00ed st\u00f3r\u00e1la agus l\u00e1imhse\u00e1la freisin.<\/p>\n
Is ceirmeach ardleibh\u00e9il \u00e9 an carb\u00f3n sileacain nasctha tr\u00ed imoibri\u00fa (RB SiC) a bhfuil s\u00e1rmharthanacht cheimiceach agus theirmeach, c\u00f3imheas \u00edseal leathnaithe, agus seasmhacht in aghaidh an teasa aige, rud a fh\u00e1gann gurb \u00e9 an pr\u00edomh\u00e1bhar \u00e9 chun seilfeanna \u00e1ith, cr\u00faisle\u00e1in agus p\u00edopa\u00ed frithchreimneacha a mhonar\u00fa i dtionscail cheimiceacha agus mhiotalacha. Mar gheall ar a fhriota\u00edocht in aghaidh creimthe \u00f3 aig\u00e9id agus alcail\u00ed, is minic a \u00fas\u00e1idtear \u00e9 agus p\u00e1irteanna s\u00e9ala meicni\u00fail n\u00f3 imthaca\u00ed sleamhn\u00e1in \u00e1 nd\u00e9anamh; ina theannta sin, \u00fas\u00e1idtear \u00e9 chun c\u00f3ire\u00e1lacha dromchla b\u00f3r\u00f3nithe a chruth\u00fa a chuireann go m\u00f3r le saol seirbh\u00edse imp\u00e9alaire turba\u00ed.<\/p>\n
T\u00e1 air\u00edonna suntasacha ag carb\u00f3n sileacain i dtimpeallachta\u00ed d\u00fashl\u00e1nacha, rud a fh\u00e1gann gurb \u00e9 an pr\u00edomhrogha \u00e1bhar ceirmeach \u00e9 do thionscail \u00e9ilitheacha amhail an tionscal gluaiste\u00e1n, an innealt\u00f3ireacht mheicni\u00fail, an phr\u00f3ise\u00e1il cheimiceach, an tionscal aerasp\u00e1is, cosaint an chomhshaoil agus teicneola\u00edocht an fhuinnimh.<\/p>\n
Sol\u00e1thra\u00edonn Saint-Gobain \u00e1bhair cheramacha charb\u00f3ide sileacain Hexoloy(r) a th\u00e1irgtear tr\u00ed phr\u00f3isis shinterithe gan bhr\u00fa, cheangailte imoibri\u00fach\u00e1in n\u00f3 ch\u00f3ire\u00e1ilte imoibri\u00fach\u00e1in a chomhl\u00edonann sonra\u00edochta\u00ed diana faoi dh\u00e1la\u00ed foircneacha, lena n-\u00e1ir\u00edtear friota\u00edocht theirmeamheicni\u00fail agus cheimiceach den scoth, c\u00f3imheas righneachta\/cruas, comh\u00e9ifeacht leathnaithe teirmeach agus friota\u00edocht creimthe.<\/p>\n
T\u00e1 teicneola\u00edochta\u00ed d\u00e9ant\u00fasa\u00edochta carb\u00f3id shileacain ag cuidi\u00fa leis an \u00e1bhar s\u00e1r\u00fa a dh\u00e9anamh ar chuid de na bacainn\u00ed a chuir bac tr\u00e1th ar a ghlacadh. Chuir modhanna sint\u00e9ise feabhsaithe, uathoibri\u00fa, pr\u00f3ise\u00e1il ag teocht n\u00edos airde agus tionscnaimh inbhuanaitheachta ar fad ar a chumas glacadh n\u00edos forleithne a fh\u00e1il thar thionscail \u00e9ags\u00fala. Ina theannta sin, t\u00e1 teicn\u00edc\u00ed athch\u00fars\u00e1la do ph\u00fadar SiC ag teacht le treochta\u00ed domhanda i dtreo cleachtais an gheilleagair chiorclaigh, rud a nearta\u00edonn a mhealltacht mar \u00e1bhar ceirmeach ar phraghas r\u00e9as\u00fanta; c\u00e9 go bhf\u00e9adfadh a phraghas ard cosc a chur ar mhonar\u00f3ir\u00ed \u00e9 a ghlacadh i bhfeidhmchl\u00e1ir \u00e1irithe.<\/p>\n
Cuireann p\u00fadair Charb\u00e1id Sileacain frithsheasmhacht chaithimh den scoth ar f\u00e1il in feidhmeanna a \u00e9il\u00edonn feidhm\u00edocht mheicni\u00fail n\u00f3 theirmeach throm-dhleachta, lena n-\u00e1ir\u00edtear feidhmeanna a bhaineann le caitheamh meicni\u00fail n\u00f3 le frithchuimilt. Ina theannta sin, l\u00e9ir\u00edonn an t-\u00e1bhar seo frithsheasmhacht den scoth in aghaidh \u00e1bhar scr\u00edobach, frithsheasmhacht in aghaidh creimthe, agus comh\u00e9ifeacht \u00edsle leathnaithe.<\/p>\n
T\u00e1 c\u00e1il ar SiC as a air\u00edonna fisiceacha den scoth a fh\u00e1gann go bhfuil s\u00e9 oiri\u00fanach do thimpeallachta\u00ed garbh a scriosfadh \u00e1bhair nach bhfuil chomh marthanach c\u00e9anna, lena n-\u00e1ir\u00edtear p\u00e1irteanna frithchaitheamhacha n\u00f3 \u00e1bhair scr\u00edobacha. Agus \u00e9 ar cheann de na h\u00e1bhair is crua is eol don duine, is rogha \u00e1bhair den scoth \u00e9 SiC.<\/p>\n
Is \u00e9 SiC ceann den d\u00e1 \u00e1bhar amh\u00e1in at\u00e1 n\u00edos crua n\u00e1 diamant agus carb\u00f3n\u00e1id b\u00f3r\u00f3n; is ceirmeach neamh-ocsa\u00edde \u00e9 a bhfuil cruas comhionann le cruas an diamaint aige ar sc\u00e1la Mohs de 10.4, agus friota\u00edocht brioscaithe chomh m\u00f3r c\u00e9anna aige i gcoinne briseadh agus at\u00e1 neart teanntachta an chruach.<\/p>\n
Is f\u00e9idir abrasaigh thionscla\u00edocha a dh\u00e9antar as gr\u00e1inn\u00edn\u00ed SiC a mhonar\u00fa tr\u00ed phr\u00f3isis innealra \u00e9ags\u00fala. Is cur chuige amh\u00e1in \u00e9 nascadh frithghn\u00edomhach chun carb\u00e1id sileacain nasctha tr\u00ed fhrithghn\u00edomh (RBSC) a chruth\u00fa, ina gcumasc\u00edtear p\u00fadar garbh SiC le plaiste\u00e1naithe sula nd\u00e9antar \u00e9 a th\u00e9amh \u2013 ag tabhairt t\u00e1irge deiridh at\u00e1 r\u00e9idh le haghaidh oibr\u00edochta\u00ed innealra breise.<\/p>","protected":false},"excerpt":{"rendered":"
Feabhsa\u00edonn P\u00fadar Carb\u00f3id Sileacain Marthanacht T\u00e1irg\u00ed Ceirmeacha. T\u00e1 carb\u00f3n sileacain (dubh n\u00f3 glas) ar cheann de na substaint\u00ed is crua d\u00e1 bhfuil ann, agus \u00fas\u00e1idtear go forleathan \u00e9 in \u00e1bhar scr\u00edobach agus i gcodanna frithsheasmhacha in aghaidh caitheamh, i gceirmeacha agus i n-\u00e1bhair athraonta mar gheall ar a leathn\u00fa \u00edseal, a fhrithsheasmhacht in aghaidh teasa agus a fhrithsheasmhacht in aghaidh creimthe, chomh maith le h\u00fas\u00e1id i n-\u00e1bhar scr\u00edobach mar gheall ar a chruas. Anail\u00edseoir m\u00e9ide c\u00e1ithn\u00edn\u00ed Malvern Mastersizer 2000 \u2026 L\u00e9igh tuilleadh<\/a><\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-76","post","type-post","status-publish","format-standard","hentry","category-product"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/siliconcarbidepowders.com\/ga\/wp-json\/wp\/v2\/posts\/76","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/siliconcarbidepowders.com\/ga\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/siliconcarbidepowders.com\/ga\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/siliconcarbidepowders.com\/ga\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/siliconcarbidepowders.com\/ga\/wp-json\/wp\/v2\/comments?post=76"}],"version-history":[{"count":1,"href":"https:\/\/siliconcarbidepowders.com\/ga\/wp-json\/wp\/v2\/posts\/76\/revisions"}],"predecessor-version":[{"id":77,"href":"https:\/\/siliconcarbidepowders.com\/ga\/wp-json\/wp\/v2\/posts\/76\/revisions\/77"}],"wp:attachment":[{"href":"https:\/\/siliconcarbidepowders.com\/ga\/wp-json\/wp\/v2\/media?parent=76"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/siliconcarbidepowders.com\/ga\/wp-json\/wp\/v2\/categories?post=76"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/siliconcarbidepowders.com\/ga\/wp-json\/wp\/v2\/tags?post=76"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}