{"id":32978,"date":"2019-10-31T21:50:04","date_gmt":"2019-10-31T18:50:04","guid":{"rendered":"https:\/\/prohoster.info\/blog\/razrabotana-3d-pechat-metallami-s-razresheniem-250-nm\/"},"modified":"2019-10-31T21:50:04","modified_gmt":"2019-10-31T18:50:04","slug":"razrabotana-3d-pechat-metallami-s-razresheniem-250-nm","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/news\/razrabotana-3d-pechat-metallami-s-razresheniem-250-nm","title":{"rendered":"Metallide 3D-printimine on v\u00e4lja t\u00f6\u00f6tatud 250 nm eraldusv\u00f5imega","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

3D-printimise kasutamine ei \u00fcllata enam kedagi. Esemeid saab kodus ja t\u00f6\u00f6l printida nii metallist kui ka plastikust. J\u00e4\u00e4nud on vaid v\u00e4hendada d\u00fc\u00fcsides t\u00f6\u00f6tamise lahutusv\u00f5imet ja suurendada l\u00e4htematerjalide mitmekesisust. Igas neist suundadest on veel palju t\u00f6\u00f6d teha.<\/p>\n

\"Metallide<\/p>\n

J\u00e4rjekordse saavutusega 3D-printimise t\u00e4iustamisel uhkustasid<\/a><\/noindex> teadlased \u0160veitsi Federal Institute of Technology Zurichi (ETH Zurich) teadlaste juhendamisel. Teadlased esitlesid uut paljulubavat tehnoloogiat mikroobjektide printimiseks metallidega v\u00e4ga k\u00f5rge lahutusv\u00f5imega - kuni 250 nm. T\u00e4na teostatakse metallide mikroobjektide 3D-printimist spetsiaalselt valmistatud tintide abil. Need on vedelikes paigutatud metalliosakesed suspensioonis (l\u00f5hkematerjalis). Selliste printerite lahutusv\u00f5ime on mikromeetrine, l\u00f5petades printimise kohustusliku kuumutamisega mudeli kinnitamiseks. Sellel l\u00f5petamise etapil on palju puudusi, sealhulgas madal pooride moodustumine ja orgaaniliste ainete saastumine (lahustitega). Mida pakuvad \u0161veitslased?<\/p>\n

\"Metallide
\n<\/center><\/p>\n

Z\u00fcrichi teadlased asendasid metallisuspensiooni otse metallidega printimisega. T\u00e4psemalt, metallide ioonidega. Pakuti v\u00e4lja kahe nii nimetatud tarbeanoodiga prindipea konstruktsioon. Miks kaks? Nii on parem! Saame printida metallist mikroobjekti vaheldumisi kas \u00fche v\u00f5i teise metalliga v\u00f5i isegi kohe kahega, luues nii sulami soovitud koostisosade suhtega. Pakutud 3D-printimise printsiip seisneb selles, et k\u00f5rge pinge all, mis on rakendatud anoodile, t\u00f5ukuvad metallioonid lahti ja lendavad substraadi poole, kus need settivad ja muutuvad algseks metalliks. Selleks, et see toimiks, on substraat kaetud lahusti kihiga, kus toimuvad oks\u00fcdatsiooni-reduktsiooni keemilised reaktsioonid. Seet\u00f5ttu toimub printimine kohe puhtast metallist ja ei vaja edasist kuumutamist.<\/p>\n

\r\n \"M\u00e4ngi\r\n
<\/div>\r\n <\/div><\/center><\/p>\n

Sarnase tehnoloogia rakendusi on palju. Esmalt tulevad meelde mikroelektroonika ja metamatiaalide loomine ebatavaliste omadustega. Sellise t\u00e4psusega printimine aitab luua peeneid \u00fchendusi ja isegi kasutada elektroonikas orgaanilisi materjale. Kui r\u00e4\u00e4kida metamatiaalidest, siis metallide kombinatsioon v\u00f5ib viia materjalide tekkimisele, millel on huvitavad mehhaanilised omadused, n\u00e4iteks samal ajal paindlikud ja tugevad.<\/p>\n

<\/p>\n

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

\t\t\t\t


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

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