1.Txhua tsis yaj ntawm qhov kub
Ua ntej tshaj plaws, 3D luam tawm tsis tau tiav los ntawm cov hlau uas tsis yaj ntawm cov kub. 3D luam ntawv hlau yog lub hauv paus pib raws cov cua kub hlau hmoov lossis xaim teeb), ces txheej stacking ib qho peb-seem stack. Thiaj li, cov hlau tsis tuaj yeem ua haujlwm los ntawm 3D luam ntawv tshuab yog tias nws tsis tuaj yeem yaj ntawm qhov kub siab. Piv txwv li, 3D luam tawm tsis tau rau qee qhov taw qhia zoo li tungsten, rhenium, thiab lwm yam uas tau ua tiav ntawm qhov kub tshaj plaws los ntawm 3D luam ntawv thev naus laus zis.
2 .Heavive hlau nrog rau cov nplaim taws thiab tawg
Ntxiv mus tsis zoo rau 3D luam tawm yog ntau yam kev xav tau ntawm cov khoom nrog rau cov khoom sib txuas thiab cov khoom tawg. Cov hlau oxidize tau yooj yim hauv huab cua lossis hnov nrog cov dej noo los tsim cov roj av lossis cov dej, uas tej zaum yuav cuam tshuam cov khoom siv. Piv txwv li, txawm hais tias txhuas inhibits cov txheej txheem no, titanium thiab aluminium atters yog nquag los tsim cov txheej oxide thaum muaj kev tiv thaiv ozeer thaum muaj kev tiv thaiv kom sov. Tsis tas li ntawd, cov hmoov hlau ua si xws li titanium thiab txhuas muaj cov yam ntxwv tawg tau hais tawm ua cov cim loj me, uas ua rau kev nyab xeeb kev nyab xeeb. Yog li ntawd, txawm tias 3D luam ntawv tshuab tuaj yeem siv los ua cov roj av thiab tswj cov hmoov av ntxiv, kom muaj kev nyuaj thiab nqi ua haujlwm.
3.Zoo melting taw tes volatile hlau
Tsis tas li ntawd tsis zoo rau 3D luam tawm yog tsawg melting point thiab volatile hlau. Thoob plaws hauv cov txheej txheem cua sov, cov hlau no muaj feem cuam tshuam kom tsis txhob muaj cov khoom siv thiab cov nyom hauv kev tsim cov qauv sib txawv. Mercury, piv txwv li lub ntsiab lus melting point hlau uas yog melting point yog tsuas yog}. 83 degree}. Ib yam li ntawd, qee cov alloys suav nrog cov khoom siv volatile tsis haum rau cov khoom siv hluav taws xob tsis haum thiab ua li cuam tshuam rau kev ua yeeb yam ntawm cov khoom kawg.
4.Qhov ntawm cov khoom siv rau cov khoom
Sib nrug los ntawm cov ntsiab lus yav dhau los, qee qhov khoom ntawm cov khoom hlau tuaj yeem txwv lawv lub peev xwm rau 3D luam ntawv. Piv txwv li, qee cov hlau muaj qib zoo ntawm brittleness, uas ua rau lawv nquag tawg thiab tawg thaum lub sij hawm ua; Lwm cov hlau muaj qib siab ntawm viscosity, yog li ntawd nws yog qhov nyuaj rau kev tswj hwm hauv molten mob. Cov yam ntxwv no yuav ua 3D luam tawm ntau yam nyuaj thiab kim, thiab txawm tias ua rau cov khoom siv uas txaus siab ua tsis tau zoo.
5.Txhua kev txwv thiab kho
Txawm hais tias cov ntsiab lus piav qhia saum toj no, engineers thiab cov kws tshawb nrhiav tau ua haujlwm kom kov yeej lawv. Lub spectrum ntawm cov hlau uas tuaj yeem yog cov luam tawm 3D tau nthuav dav, los ntawm kev luam tawm kub thiab nrawm, thiab ua haujlwm tshwj xeeb npaj thiab ua cov txheej txheem ua. Tsis tas li ntawd dhau los ua cov tshuab luam ntawv 3D tshiab xws li kev txau lub zog ncaj qha thiab ua kom muaj kev xaiv rau ntau ntau yam hlau.
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