{"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\/ro\/blog\/news\/radiatory-dlya-protsessorov-mogut-stat-plastikovymi-i-eto-ne-zagovor-proizvoditelej","title":{"rendered":"R\u0103citoarele pentru procesoare ar putea deveni din plastic \u0219i nu este o conspira\u021bie a produc\u0103torilor","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Un grup de cercet\u0103tori de la Massachusetts Institute of Technology continu\u0103 s\u0103 lucreze cu succes \u00eentr-un domeniu foarte interesant. Acum nou\u0103 ani, \u00een revista Nature Communications, angaja\u021bii MIT <\/a>au publicat un raport<\/a><\/noindex>, \u00een care au anun\u021bat dezvoltarea unei tehnologii interesante pentru \u00eendreptarea mol\u00e9culelor de polietilen\u0103. \u00cen starea sa obi\u0219nuit\u0103, polietilena, la fel ca altele, este asem\u0103n\u0103toare cu un amestec de multe buc\u0103\u021bi de spaghete lipite \u00eentre ele. Aceasta face ca polimerul s\u0103 fie un excelent izolator termic, iar cercet\u0103torii au dorit \u00eentotdeauna ceva neobi\u0219nuit. Ar fi minunat s\u0103 avem un polimer care s\u0103 conduc\u0103 c\u0103ldura la fel de bine ca metalele! \u0218i pentru asta nu trebuie dec\u00e2t s\u0103 \u00eendrept\u0103m moleculele polimerului, astfel \u00eenc\u00e2t s\u0103 poat\u0103 transporta c\u0103ldura de la surs\u0103 la locul de dispersie prin monokanale. Experimentul a reu\u0219it. Cercet\u0103torii au reu\u0219it s\u0103 creeze fibre separate de polietilen\u0103 cu conductivitate termic\u0103 excelent\u0103. \u00cens\u0103, pentru aplicarea \u00een industrie, aceasta a fost insuficient.<\/p>\n

\"R\u0103citoarele<\/p>\n

Ast\u0103zi, aceea\u0219i grup\u0103 de cercet\u0103tori de la MIT a publicat un nou raport referitor la polimerii termoconductori. \u00cen cei nou\u0103 ani trecu\u021bi, a fost realizat\u0103 o munc\u0103 considerabil\u0103. \u00cen loc s\u0103 produc\u0103 fibre separate, cercet\u0103torii <\/a>au dezvoltat \u0219i creat<\/a><\/noindex> o instala\u021bie pilot pentru fabricarea unui strat film termoconductor. Mai mult, pentru a crea filme termoconductoare, s-a folosit un material obi\u0219nuit, ca acum nou\u0103 ani, un polietilen\u0103 comercial\u0103 pentru industrie.<\/p>\n

\u00cen instalarea experimentala, pulberea de polietilen\u0103 este dizolvat\u0103 \u00een lichid \u0219i apoi compozi\u021bia este pulverizat\u0103 pe un dispozitiv r\u0103cit cu azot lichid. Dup\u0103 aceasta, semifabricatul este \u00eenc\u0103lzit \u0219i \u00eentins pe o ma\u0219in\u0103 de laminat p\u00e2n\u0103 ajunge la starea de folii sub\u021biri, cu o grosime similar\u0103 cu cea a ambalajului. M\u0103sur\u0103torile au ar\u0103tat c\u0103 folia de polietilen\u0103 termoconductiv\u0103 fabricat\u0103 \u00een acest mod are un coeficient de conductivitate termic\u0103 de 60 W\/(m\u00b7K). Spre compara\u021bie, pentru o\u021bel acest indicator este de 15 W\/(m\u00b7K), iar pentru plasticul obi\u0219nuit \u2013 de 0,1-0,5 W\/(m\u00b7K). Cea mai bun\u0103 conductivitate termic\u0103 se poate l\u0103uda cu diamantul \u2013 2000 W\/(m\u00b7K), dar a dep\u0103\u0219i conductivitatea metalelor este de asemenea un lucru bun.<\/p>\n

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

Polimerul termoconductiv are \u0219i o serie de alte calit\u0103\u021bi importante. Astfel, c\u0103ldura este transferat\u0103 strict \u00eentr-o singur\u0103 direc\u021bie. \u00ce\u021bi po\u021bi imagina un laptop sau un smartphone care disip\u0103 c\u0103ldura de la procesoare f\u0103r\u0103 un sistem activ de r\u0103cire. Alte domenii importante de utilizare pentru plasticul termoconductiv ar putea fi automobilele, instala\u021biile frigorifice \u0219i altele. Plasticul nu este sensibil la coroziune, nu conduce electricitate, este u\u0219or \u0219i durabil. Implementarea unor astfel de materiale \u00een via\u021ba de zi cu zi ar putea impulsiona dezvoltarea industriei \u00een numeroase domenii. Ar fi bine s\u0103 nu a\u0219tept\u0103m al\u021bi nou\u0103 ani pentru aceast\u0103 zi luminos\u0103.<\/p>\n

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

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Massachusetts continu\u0103 s\u0103 lucreze cu succes \u00eentr-o direc\u021bie foarte interesant\u0103.","canonical_url":"https:\/\/prohoster.info\/ro\/blog\/news\/radiatory-dlya-protsessorov-mogut-stat-plastikovymi-i-eto-ne-zagovor-proizvoditelej","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"ro_RO","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47\u0420\u0430\u0434\u0438\u0430\u0442\u043e\u0440\u044b \u0434\u043b\u044f \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0440\u043e\u0432 \u043c\u043e\u0433\u0443\u0442 \u0441\u0442\u0430\u0442\u044c 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