Khatiso ea 3D ka Inconel 718


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(3D Printing With Inconel 718)

Inconel 718 ke alloy ea nickel le chromium e sebelisoang sebakeng sa sefofane le lits'ebetso tsa indasteri, ho kenyeletsoa le lienjine tsa jete. E matla haholo 'me e na le khanyetso e phahameng ea kutu. E ka sebelisoa ka mocheso ho fihlela ho 700 ° C, e etsa hore e be thepa e loketseng ho sebelisoa li-turbine le likarolo tse ling tsa enjene.

Theknoloji ea khatiso ea 3D e sebelisa lebone la laser ho kopanya phofo ea tšepe hore e be ntho e mahlakore a mararo. Ts'ebetso ena hangata e bitsoa "additive layer making" kapa "direct metal laser sintering" (DMLS).

Ntle le ho ba mokhoa o motle oa ho haha ​​​​libopeho tse rarahaneng, khatiso ea 3d e ka boela ea sebelisoa ho fokotsa palo ea mechine e hlokahalang ho hlahisa karolo. Sena se bohlokoa kaha se ka thusa bahlahisi ho etsa lihlahisoa tse bobebe, tse matla tse hlokang tlhokomelo e nyane.

Ka mohlala, sehlopha sa Univesithi ea California, San Diego se thehile enjene ea rocket e hatisitsoeng ea 3D e sebelisa theknoloji ea DMLS. Enjene, e neng e hatisitsoe ka oksijene ea metsi le parafine e le li-propellants, e hlahisitse 750 lbf of thrust.

Inconel 718 ke alloy e thibelang mocheso, e nang le ductile e ngata e ka sebelisoang ka likarolo tse sa tšoaneng. Ke khetho e ntle bakeng sa ho etsa maemo a khatello e phahameng, a senyang, kaha e khona ho boloka matla a eona mochesong o fihlang ho 700°C.

E hanyetsana haholo le oxidation 'me e na le machinability e babatsehang, e etsang hore e be thepa e loketseng bakeng sa khatiso ea 3d. Ho phaella tabeng ea hore e hana ho bola, e na le matla a phahameng a ho tsitlella, ho kotula le ho qhoma.

Inconel 718 e ka hatisoa ka 3D ka mefuta e fapaneng ea theknoloji, ho akarelletsa le DMLS, e sebelisang laser ho qhibilihisa thepa ea phofo ka mokhoa oa 3D. E ka boela ea hatisoa ka 3D ka jetting ea binder, e sebelisang sethunya sa spray ho etsa ntho e tsoang phofo. Ntle le moo, e ka ba 3D e hatisitsoeng ka deposition e tobileng ea matla, e sebelisang laser ho futhumatsa phofo le ho e kopanya hammoho karolong ea ho qetela.


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(3D Printing With Inconel 718)

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