chidziwitso

Tantalum ufa yatuluka ngati zinthu zosintha masewera pamakampani osindikizira a 3D, kusintha momwe timafikira kupanga zowonjezera pazogwiritsa ntchito mwapadera. Chitsulo ichi, chomwe chimadziwika ndi zinthu zake zapadera, chapeza kagawo kakang'ono mumakampani osindikizira a 3D, makamaka m'magawo omwe amafunikira zida zogwira ntchito kwambiri zomwe zimatha kupirira mikhalidwe yovuta kwambiri. Kugwiritsa ntchito ufa wa tantalum mu njira zosindikizira za 3D kumatsegula mwayi watsopano wopanga ma geometri ovuta omwe ali ndi mphamvu zosayerekezeka, kukana dzimbiri, komanso kuyanjana kwachilengedwe.

Ndi zinthu ziti zapadera za tantalum zomwe zimapangitsa kuti ikhale yoyenera kusindikiza kwa 3D?

Tantalum ili ndi mikhalidwe yodabwitsa yomwe imapangitsa kuti ikhale yoyenera pamapulogalamu osindikizira a 3D, makamaka m'malo ovuta. Malo ake osungunuka a 3,017 ° C (5,463 ° F) amalola kuti ikhalebe yodalirika pansi pa kutentha kwakukulu, ndikupangitsa kuti ikhale yoyenera pazigawo zazamlengalenga, nyukiliya, ndi mafakitale otentha kwambiri. Kuchulukana kwa tantalum, pa 16.6 g/cm³, kumathandizira kuti mayamwidwe ake abwino kwambiri a X-ray, omwe ndi ofunika kwambiri pazoyika zachipatala komanso kuteteza ma radiation.

Chimodzi mwazinthu zofunika kwambiri za tantalum ndi kukana kwa dzimbiri kwapadera. Zimapanga zosanjikiza zoteteza oxide zikawululidwa ndi mpweya, zomwe zimapereka kukana kwambiri kwa ma acid ambiri ndi mayankho amchere. Khalidweli limapangitsa kuti zida zosindikizidwa za tantalum zikhale zofunika kwambiri pazida zopangira mankhwala, pomwe zida zina zimatha kuwonongeka mwachangu. Kugwirizana kwachitsulo ndi chinthu chinanso chofunikira, chifukwa sichimayenderana ndi madzi am'thupi kapena minofu, zomwe zimapangitsa kukhala chisankho chabwino kwambiri pa implants zachipatala ndi zida zopangira opaleshoni.

Tantalum's high ductility ndi malleability amalola kulenga akalumikidzidwa zovuta kudzera 3D kusindikiza popanda kusokoneza mphamvu ya zinthu. Kusinthasintha kumeneku pamapangidwe kumathandizira mainjiniya kukhathamiritsa magawo a geometri kuti agwiritse ntchito mwapadera, kuchepetsa kulemera kwinaku akusunga umphumphu. The zitsulo zabwino kwambiri matenthedwe ndi magetsi madutsidwe katundu kumawonjezera ntchito zake angathe mu zigawo zamagetsi ndi kutentha exchanger.

Kuphatikiza kwazinthu zapaderazi - malo osungunuka kwambiri, kukana kwa dzimbiri, biocompatibility, ndi ductility - kumapangitsa ufa wa tantalum chinthu chamtengo wapatali mu njira zosindikizira za 3D. Imathandizira kupanga magawo omwe amatha kupirira madera ovuta, kulumikizana mosatekeseka ndi ma biological system, ndikusunga mawonekedwe ake kwa nthawi yayitali. Pamene teknoloji yosindikizira ya 3D ikupitirirabe patsogolo, kugwiritsa ntchito ufa wa tantalum kukuyembekezeka kukula, makamaka m'mafakitale omwe ntchito zakuthupi ndizofunikira kwambiri kuti zinthu zitheke komanso chitetezo cha mankhwala omaliza.

Kodi njira yosindikizira ya 3D ya ufa wa tantalum imasiyana bwanji ndi zida zina?

Njira yosindikizira ya 3D ya ufa wa tantalum imapereka zovuta komanso mwayi wapadera poyerekeza ndi zinthu zodziwika bwino monga mapulasitiki kapena zitsulo. Njira yoyamba yomwe imagwiritsidwa ntchito posindikiza tantalum ya 3D ndi Selective Laser Melting (SLM) kapena Direct Metal Laser Sintering (DMLS), yomwe ili m'gulu la Powder Bed Fusion (PBF). Njirayi imafunikira zida zapadera ndikuwongolera mosamala magawo azinthu kuti mukwaniritse zotsatira zabwino.

Chimodzi mwazosiyana kwambiri pakusindikiza ndi ufa wa tantalum ndikufunika kolowera mphamvu zambiri chifukwa cha kusungunuka kwake kwakukulu. Makina a laser omwe amagwiritsidwa ntchito posindikiza tantalum 3D nthawi zambiri amafuna mphamvu zambiri komanso zolondola kuposa zomwe zimagwiritsidwa ntchito popanga zitsulo zotsika. Laser iyenera kupereka mphamvu zokwanira kusungunula tinthu tantalum, kuonetsetsa kusakanikirana koyenera ndikuchepetsa porosity mu gawo lomaliza. Kufunika kwamphamvu kwamphamvu kumeneku nthawi zambiri kumafuna kusindikiza kwapang'onopang'ono poyerekeza ndi zida zina, zomwe zimakhudza nthawi yonse yopanga.

Kukhazikika kwa tantalum pa kutentha kwakukulu kumabweretsa vuto lina. Pofuna kupewa makutidwe ndi okosijeni komanso kuipitsidwa panthawi yosindikiza, ndikofunikira kukhalabe ndi mpweya mkati mwa chipinda chomangira. Izi zimatheka pogwiritsa ntchito argon apamwamba kwambiri kapena mpweya wa helium kuchotsa mpweya. Zofunikira zowongolera mumlengalenga zimawonjezera zovuta pakukhazikitsa kosindikiza ndikuwonjezera ndalama zogwirira ntchito.

Kukula kwa tinthu ndi kugawa kwa ufa wa tantalum kumagwira ntchito yofunika kwambiri pakupambana kwa kusindikiza kwa 3D. Tinthu tating'ono ting'onoting'ono ta ufa nthawi zambiri timapangitsa kuti pakhale kutha bwino komanso kusasunthika kwapamwamba koma kumakhala kovuta kwambiri kufalikira mosiyanasiyana papulatifomu yomanga. Kuchulukana kwakukulu kwa tantalum kumakhudzanso njira zogwiritsira ntchito ufa ndi kufalitsa, zomwe zimafuna zida zapadera zomwe zimagwiritsidwa ntchito ndi zitsulo zolemera.

Kukonza pambuyo pazigawo za tantalum zosindikizidwa za 3D nthawi zambiri kumaphatikizapo njira zowonjezera poyerekeza ndi zida zina. Kuchiza kutentha kungakhale kofunikira kuti muchepetse kupsinjika kwamkati ndikuwongolera zinthu zakuthupi. Kuuma kwakukulu kwa tantalum kumatha kupangitsa kuti makina azikhalidwe azikhalidwe ndi zomaliza zikhale zovuta, nthawi zambiri zimafuna zida ndi njira zapadera zodulira.

Kubwezeretsanso ufa wa tantalum wosagwiritsidwa ntchito ndi chinthu china chofunikira pakusindikiza kwa 3D. Chifukwa cha kukwera mtengo kwa zinthuzo, kuchira bwino kwa ufa ndikugwiritsiranso ntchito machitidwe ndikofunikira kuti pakhale chuma. Komabe, zotakataka chikhalidwe cha ufa wa tantalum kumafuna kusamala ndi kusunga mosamala kuti zisawonongeke kapena kuwonongeka kwa zinthu zobwezerezedwanso.

Ndi mafakitale ati omwe akupindula kwambiri ndi zida za tantalum zosindikizidwa za 3D?

Makhalidwe apadera a tantalum, kuphatikizidwa ndi ufulu wamapangidwe woperekedwa ndi kusindikiza kwa 3D, zapangitsa kuti atengedwe m'mafakitale angapo apamwamba kwambiri. Kutha kupanga zida zovuta, zosinthidwa makonda zokhala ndi magwiridwe antchito apadera kwatsegula mwayi watsopano m'magawo omwe njira zopangira zachikhalidwe zimalephera. Tiyeni tifufuze mafakitale omwe akupeza phindu lalikulu kuchokera ku zigawo za tantalum zosindikizidwa za 3D.

Makampani azachipatala amadziwika kuti ndi amodzi mwa omwe amapindula kwambiri ndi zigawo za tantalum zosindikizidwa za 3D. The biocompatibility ndi radiopacity ya tantalum imapangitsa kuti ikhale chisankho chabwino kwambiri pazoyika zosiyanasiyana zamankhwala ndi zida. Ma implants a Cranial, mwachitsanzo, amatha kusindikizidwa a 3D kuti agwirizane bwino ndi mawonekedwe a chigaza cha wodwala, kupereka kukwanira bwino komanso kukongola. Mapangidwe a porous a Tantalum, pamene 3D imasindikizidwa, imatsanzira fupa, kulimbikitsa osseointegration mu ma implants a mafupa. Makhalidwewa ndi ofunika kwambiri m'mabwalo osakanikirana a msana ndi makapu a acetabular kuti alowe m'malo mwa chiuno, kumene kulowetsedwa kwa fupa kumakhala kofunikira kuti kukhazikika kwa nthawi yayitali.

Dental implantology ndi malo ena omwe 3D printed tantalum ikupita patsogolo. Ma implants opangidwa mwamakonda komanso masicaffold amatha kupangidwa kuti agwirizane ndi momwe wodwalayo alili m'kamwa, zomwe zitha kupititsa patsogolo kuchuluka kwa kachitidwe ka implantation. Kukana kwa dzimbiri kwa tantalum m'malo amkamwa komanso kuthekera kwake kuphatikizana ndi minyewa yozungulira mafupa kumapangitsa kuti ikhale njira yowoneka bwino yosinthira miyambo ya titaniyamu nthawi zina.

Makampani opanga zakuthambo akugwiritsa ntchito zida za 3D zosindikizidwa za tantalum pazogwiritsa ntchito zomwe zimafunikira kutentha kwambiri komanso kukana dzimbiri. Zida za injini ya roketi, monga ma nozzles ndi zipinda zoyaka moto, zimatha kupindula ndi kuthekera kwa tantalum kupirira kutentha kwambiri komanso kukana makutidwe ndi okosijeni. Ufulu wamapangidwe woperekedwa ndi kusindikiza kwa 3D umalola kuti pakhale njira zozizirira zovuta komanso zopepuka zomwe zimatha kupititsa patsogolo magwiridwe antchito a injini.

M'makampani opanga mankhwala, zida za 3D zosindikizidwa za tantalum zikusintha kapangidwe ka zida. Kulimbana ndi dzimbiri kwapadera kwa Tantalum kumapangitsa kuti ikhale yabwino kwa magawo omwe ali ndi mankhwala amphamvu komanso kutentha kwambiri. Zosinthira kutentha, zotengera zotengera, ndi mavavu apadera amatha kusindikizidwa ndi ma geometries okometsedwa a 3D kuti apititse patsogolo kutentha kwa kutentha ndi mphamvu zamadzimadzi ndikusunga kukana kwamphamvu kwamankhwala. Kuthekera kumeneku kumapangitsa kuti pakhale zida zophatikizika komanso zogwira mtima kwambiri zopangira mankhwala, zomwe zingathe kuchepetsa ndalama komanso kukonza chitetezo m'malo owopsa.

Makampani opanga zamagetsi akuwunika kugwiritsa ntchito tantalum yosindikizidwa ya 3D pamapulogalamu apadera. Tantalum's high magetsi ndi matenthedwe madutsidwe, pamodzi ndi kukana dzimbiri, kupanga kukhala oyenera zigawo zina zamagetsi ndi kutentha sinki. Kusindikiza kwa 3D kumathandizira kupanga zida zoziziritsa zovuta kwambiri zomwe zimatha kuwongolera kasamalidwe ka matenthedwe pazida zamagetsi zamphamvu kwambiri.

Mphamvu za nyukiliya ndi malo ofufuzira ndi gawo lina lomwe limapindula ndi zigawo za tantalum zosindikizidwa za 3D. Kukana kwa Tantalum ku kuwonongeka kwa ma radiation ndi kuthekera kwake kupirira kutentha kwakukulu kumapangitsa kuti ikhale yamtengo wapatali mu zigawo za zida za nyukiliya ndi ntchito zoteteza ma radiation. Kusindikiza kwa 3D kumapangitsa kuti pakhale zida zodzitchinjiriza zovuta zomwe zitha kukonzedwa kuti zikhale ndi mbiri yeniyeni ya radiation, zomwe zitha kupititsa patsogolo chitetezo ndi magwiridwe antchito a zida zanyukiliya.

Makampani opanga magalimoto, makamaka pamagalimoto othamanga kwambiri komanso othamanga, akuyamba kufufuza kuthekera kwa zigawo za tantalum zosindikizidwa za 3D. Mapulogalamuwa amaphatikizapo zishango zapadera za kutentha, zigawo za exhaust system, ndi masensa omwe ali ndi kutentha kwakukulu komwe zinthu zakuthupi zimatha kupereka mpikisano.

Pankhani ya kafukufuku wa sayansi ndi zida, tantalum yosindikizidwa ya 3D ikupeza ntchito mu zida zapadera. Kusasunthika kwake kwamankhwala ndi malo osungunuka kwambiri kumapangitsa kukhala koyenera kwa ma crucibles ndi okhala ndi zitsanzo pakuyesa kutentha kwambiri. Kutha kusindikiza zida zasayansi zopangidwa ndi 3D kumatsegula mwayi watsopano kwa ofufuza omwe amagwira ntchito movutikira.

Pamene ukadaulo wosindikiza wa 3D ukupitilirabe, titha kuyembekezera kuwona mafakitale ambiri akupindula ndi zida za tantalum. Kuphatikizika kwa zinthu zapadera za tantalum ndi ufulu wopanga zopangira zowonjezera zikukankhira malire a zomwe zingatheke mu sayansi ndi uinjiniya. Kuchokera pakuwongolera zotsatira za odwala pazachipatala mpaka kukulitsa magwiridwe antchito m'mafakitale ovuta kwambiri, zida za tantalum zosindikizidwa za 3D zikuyendetsa luso m'mafakitale osiyanasiyana.

Kugwiritsiridwa ntchito kwa teknolojiyi kuyenera kufulumira pamene njira zopangira zinthu zimakhala zoyeretsedwa komanso zotsika mtengo. Pamene kafukufuku akupitiriza kuwulula mapulogalamu atsopano ndi kukhathamiritsa magawo osindikizira, titha kuyembekezera kukula kwa chilengedwe cha ntchito zapadera za tantalum 3D zosindikiza ndi ukadaulo. Kusinthika kumeneku kudzapititsa patsogolo mwayi wopeza mwayi wopanga zinthu zapamwambazi, zomwe zingapangitse kuti pakhale zopambana m'magawo omwe sitinawaganizirepo.

Pomaliza, kugwiritsa ntchito tantalum ufa muzosindikiza za 3D ikuyimira kutukuka kwakukulu pakupanga zinthu zapamwamba. Makhalidwe ake apadera, kuphatikizapo ufulu wa mapangidwe operekedwa ndi zowonjezera zowonjezera, zimathandizira kupanga zigawo zomwe zimakankhira malire a ntchito ndi ntchito. Kuchokera pa ma implants azachipatala opulumutsa moyo mpaka matekinoloje apamwamba apamlengalenga, tantalum yosindikizidwa ya 3D ikugwira ntchito yofunika kwambiri pakukonza tsogolo la mafakitale apamwamba kwambiri. Pamene kafukufuku ndi chitukuko cha gawoli chikupitilirabe, titha kuyembekezera kuwona ntchito zatsopano zambiri zikutuluka, ndikuwonjezera malo a tantalum ngati chinthu chofunikira pakusintha kwazinthu zowonjezera.

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Zothandizira

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