{"id":32845,"date":"2019-10-31T21:49:15","date_gmt":"2019-10-31T18:49:15","guid":{"rendered":"https:\/\/prohoster.info\/blog\/radiatory-dlya-protsessorov-mogut-stat-plastikovymi-i-eto-ne-zagovor-proizvoditelej\/"},"modified":"2019-10-31T21:49:15","modified_gmt":"2019-10-31T18:49:15","slug":"radiatory-dlya-protsessorov-mogut-stat-plastikovymi-i-eto-ne-zagovor-proizvoditelej","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/news\/radiatory-dlya-protsessorov-mogut-stat-plastikovymi-i-eto-ne-zagovor-proizvoditelej","title":{"rendered":"Protsessorite radiaatorid v\u00f5ivad olla plastikust ja see ei ole tootjate vanden\u00f5u.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Massachusettsi Tehnoloogiainstituudi teadlaste r\u00fchm j\u00e4tkab t\u00f6\u00f6d v\u00e4ga huvitavas suunas. \u00dcheks aastat tagasi avaldas MIT t\u00f6\u00f6tajad ajakirjas Nature Communications. <\/a>avalikustatud aruande.<\/a><\/noindex>, kus teatati huvitavast tehnoloogiast pol\u00fcet\u00fcleenimolekulide sirgendamiseks. Tavalises seisundis meenutab pol\u00fcet\u00fcleen, nagu ka teised pol\u00fcmeerid, kaerahelbeputru, mille hulgas on k\u00f5ikjal kokku kleepunud spagetid. See teeb pol\u00fcmeeri suurep\u00e4raseks soojusisolaatoriks, kuid teadlastele on alati olnud soov midagi erilist. Miks mitte luua pol\u00fcmeer, mis suudaks juhtida soojust sama h\u00e4sti kui metallid? Ja selleks on vaja vaid sirgendada pol\u00fcmeermolekule, et nad saaksid \u00fchekanalites soojust edastada allikast hajutamispaika. Eksperiment \u00f5nnestus. Teadlased suutsid luua eraldi pol\u00fcet\u00fcleeni kiude suurep\u00e4rase soojusjuhtivusega. Kuid t\u00f6\u00f6stusele rakendamiseks j\u00e4i seda v\u00e4heks.<\/p>\n

\"Protsessorite<\/p>\n

T\u00e4naseks on sama teadlaste r\u00fchm MIT-ist avaldanud uue aruande soojusjuhtivate pol\u00fcmeeride kohta. Viie viimase aasta jooksul on tehtud suurt t\u00f6\u00f6d. Asemel, et valmistada eraldi kiude, on teadlased <\/a>arendanud ja loonud<\/a><\/noindex> katseinstallatsiooni filmiliste soojusjuhtivate katte valmistamiseks. Veelgi enam, soojusjuhtivate filmide valmistamiseks ei kasutatud mitte unikaalset, nagu \u00fcheksa aastat tagasi olnud tooraineid, vaid tavalist kaubanduslikku pulberpol\u00fcet\u00fcleeni t\u00f6\u00f6stusele.<\/p>\n

Kogemuslikus seadmes pol\u00fcet\u00fcleenipulber lahustatakse vedelikus ja seej\u00e4rel pritsitakse segu k\u00fclma vedeliku l\u00e4mmastikuga kaetud plaadile. P\u00e4rast seda kuumutatakse ja venitatakse toorik rullmasinas \u00f5hukese kile seisundisse, mille paksus on pakendiga sama. M\u00f5\u00f5tmised n\u00e4itasid, et selle meetodi abil valmistatud soojusjuhtiv pol\u00fcet\u00fcleenikile omab soojusjuhtivuse koefitsienti 60 W\/(m\u00b7K). V\u00f5rdluseks, terase puhul on see n\u00e4itaja 15 W\/(m\u00b7K), samas kui tavalise plastiku puhul on see 0,1\u20130,5 W\/(m\u00b7K). Parima soojusjuhtivusega on teemant \u2013 2000 W\/(m\u00b7K), kuid metallide soojusjuhtivusele j\u00e4rele j\u00f5udmine on samuti hea.<\/p>\n

<\/center><\/p>\n

Soojusjuhtiv pol\u00fcmeer omab ka mitmeid muid olulisi omadusi. N\u00e4iteks juhib soe rangelt \u00fches suunas. Kujutage ette s\u00fclearvutit v\u00f5i nutitelefoni, mis suudavad soojust protsessoritelt juhtida ilma aktiivse jahutuss\u00fcsteemita. Teised olulised valdkonnad, kus soojusjuhtivat plastikut v\u00f5iks kasutada, on autod, k\u00fclmseadmed ja muud. Plastik ei karda korrosiooni, ei juhi elektrit, on kerge ja tugev. Sarnaste materjalide kasutuselev\u00f5tt v\u00f5ib anda t\u00f5uke arenduseks paljudes t\u00f6\u00f6stusharudes. Loodan, et selle valgustava p\u00e4eva ootamine ei kesta veel \u00fcheksa aastat.<\/p>\n

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Allikas: 3dnews.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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