ʻOku lahi hono fakaʻaongaʻi ʻo e Tantalum ukamea mo e alloys. ʻOku ʻoatu ʻi lalo ha ngaahi fakaikiiki ʻi he machining Tantalum kau ai ʻa e hokoʻanga, ko e fakamamahi, vilo mo ha ngaahi meʻa lahi ange!
Tafoki mo Milling
ʻI hono fakalele ʻo e lathe, ʻoku totonu ke fakaʻaongaʻi ʻa e ngaahi meʻangaue carbide ʻoku lahi hono kosi talangofuaʻa. ʻOku totonu ke tauhi ʻa e ngaahi meʻangāué ke māsila mo kelekele ʻaki ha leiki lelei ʻo hangē ko hono matuʻuaki ʻe he meʻangāué. ʻE fakafiemalie pe ʻa e leiki mo e ngaahi mafihunga tatau ʻoku fakaʻaongaʻi ki he kopa. Ko e vave siʻisiʻi taha ʻo e 100 ʻe ngāue ʻa e fute ʻe taha ʻi he miniti ki he ngaahi ngāue lahi taha ki hono Liliu. ʻE hanga ʻe he talangofuaʻa mamalie ʻo fakatupu hono haeʻi ʻo e ukamea. ʻOku totonu ke fakaʻaongaʻi ʻa e vai ʻoku totonu ke fakaʻaongaʻi ko ha kosi Lotoloto pea kuo pau ke tafea lelei ʻa e ngaue ʻi he taimi kotoa pe. Ko hono moʻoní, ʻoku totonu ke fakaʻaongaʻi ʻa e ngaahi founga tatau ʻi he taimi ʻoku tātānaki ai hono fakapipiki pe fakapipiki ʻo e ngaahi meʻa ʻoku tatau mo iá. ʻOku fokotuʻu atu ʻa e faʻahinga nifo milling cutters ʻoku ʻi ai ha fakafiemalie lahi ʻi mui mo e tafaʻaki. ʻI he taimi ʻoku fakaʻaongaʻi ai ʻa e mate pe tepi, ʻoku totonu ke tauhi kinautolu ke ʻataʻata mei he toli mo tauhi ke maʻa ki he lahi taha ʻe lava. ʻI he taimi ʻoku vili aí, kuo pau ke fakaʻofoʻofa ʻa e tuʻunga ʻo e malaʻe faiʻanga keli koeʻuhi ke ʻoua naʻa ne fakafekauʻaki ʻa e naunau. ʻOku lelei taha hono fakahoko ʻo e filo ʻi ha lathe kae ʻikai ko ha mate.
ʻOku fekauʻaki
ʻOku fuʻu faingataʻa ʻaupito ʻa e tatau. ʻOku meimei taʻemalava ke annealed tantalum. Ka neongo ia, ʻe lava ke hoko ʻa e momoko tantalum ko ha kelekele ʻoku fakangatangata pe hono fakaʻaongaʻi ʻo e ʻalaminiume oxide Norton 38A-60 ngaahi veʻeteka pe tatau mo ia.
Hokoʻanga Mālohí
Koeʻuhi ko e ʻofa ʻa tatau ki he gettering, ka ʻi ai ha fusion weld kuo pau ke fakahoko ia ʻi ha ʻatakai ʻoku ʻata mei he fakaʻuliʻi. ʻOku ʻikai ngata pē ʻi hono fie maʻu ʻe he meʻá ni ʻa e ano mālo, ka kuo pau ke maluʻi ʻa e meʻa kotoa pē ki he ukamea. ʻOku ʻi ai ha founga ngāue ʻe fā ʻoku fakaʻaongaʻi ke maluʻi.
Electron fuʻu konga ʻakau – fie maʻu ha meʻangāue ʻoku fakalakalaka angé. Ko e lahi taha ʻo e ngaahi hokoʻanga ʻoku fai ia ʻi ha vekiume ʻi ʻolunga. ʻOku ʻomi ʻe electron fuʻu konga ʻakau fakatahaʻi ha ngaahi hokoʻanga lelei ʻaupito ʻa ia ʻoku fakafotunga ʻe he cochineal fasiʻi souni mo e kemikale lelei. ʻOku ʻaonga ia ki he faingataʻa, faingataʻa ke aʻu ki he cochineal, tautautefito ki he fillets mo e tees ʻo e ngaahi konga kehekehe ʻo e kolosi.
Fakamaʻa e loki ʻi ʻolunga – ʻOku totonu ke fakaʻaongaʻi ha loki ʻi ʻolunga ʻi he taimi ʻoku fuʻu lahi ai ʻa e ngaue ke feʻunga mo ha faʻahinga loki ʻi ʻolunga pea ʻoku fuʻu faingataʻa ʻa e ngaahi hokotanga hui ke fakaʻata ʻa e fehokotakiʻanga ʻea. ʻOku faʻu ʻa e ngaahi meʻa ni ʻaki ʻa e pepa polyethelene mo tepi tepi fakapipiki. ʻOku tafe ʻa Argon ʻi he kato tukuhausia pe heu ʻa e ʻea entrapped ki ha tuʻunga ʻe lava ke fakahoko ai ʻa e hoko fakatahaʻanga. Kuo pau ke fakangofua ʻa e agon ke tafe kae ʻoua kuo mokomoko kotoa e ngaue. ʻOku pau ke ʻoatu fakataha ʻa e ngaahi tafaʻaki kotoa pē ʻo e ngāué.
Puha Mōmoa pe Vekiume toʻo e loki mohé – ʻOku ʻomi ʻe he puha momoa ʻa e ʻatakai kasa maʻolunga taha inert. ʻOku tuku ʻa e ngaahi kongá ʻi ha puha. ʻOku silaʻi ʻa e loki ʻi ʻolunga pea toʻo ha vekiume ʻi he puha. Ko e akoako angamahení ko hono pamu hifo ki he fakafuofua ki he 50 microns. ʻOku fonu leva ʻa e puha ʻi he tangike maʻa maʻolunga argon ki ha kiʻi malohi lelei. ʻOku fakahoko leva ʻa e fakatahaʻi ʻo fakaʻaongaʻi ʻa e kofunima ulapapeni ʻoku fakahu ʻi he ongo tafaʻaki ʻo e loki ʻi ʻolunga.
Fakaava ʻa e ʻea hokoʻanga – ʻoku malava ʻa e tatau, ka ʻi he taimi pē ʻoku fai ai e ngaahi fakatamaki stringent tahá. Ko e kiʻi feohi faingofua pe ʻoku ne fakaʻata ʻa e shielding feʻunga ʻoku malava. Kuo pau ke ʻoange ʻa e maluʻi ki he Arc), ko e ukamea ʻi muʻá, ki he ongo tafaʻaki pea ki he ukamea mokomoko ʻo ʻi mui pea ʻi lalo he weld bead. ʻOku ʻomi ʻa e ʻatakai maluʻi ʻaki hono fakaʻaongaʻi ha kasa angavaivai mei he ipu lahi taha ʻe lava ke fenapasi mo hono fakatokangaʻi lelei. Kuo pau ke ʻomi ha sipi kasa inert ʻaki hano fakaʻaongaʻi totonu e ngaahi paletuʻa kuo langa ʻa ia ʻoku ne ʻomi ha kasa kae ʻoua kuo ʻita ʻa e ukamea ʻi lalo ʻi he mafana ʻo e ʻea mahuʻinga. ʻOku totonu foki ke fakaʻaongaʻi ʻa e shielding ʻi he underside mei he weld bead ke maluʻi kae ʻoua kuo ʻita ʻa e naunau.
Faʻu
ʻI he tuʻunga ane, ʻoku tatau ʻaupito ductile. Ko e lahi taha ʻo e ngaahi laʻipepa ukamea ʻoku fakahoko ʻaki ia ha ngaahi matolu kehekehe .004″ ke .060″
Tā Fakatātā Loloto
Ki ha fakatātā loloto, ko e nāunau pē naʻe fakaʻaongaʻí ʻoku totonu ke fakaʻaongaʻí. ʻOku ʻikai ngaue ʻa Tantalum ke fakafefeka vave ʻo hange ko e ukamea lahi taha. Kapau ʻe tā ʻa e konga ko iá ʻi ha tafa pē ʻe taha, ko ha fakatata ʻoku tatau hono loloto mo e inisi honau matolu ʻo e feituʻu ʻoku ʻataa. Kapau ʻe laka hake ʻi he tahá ʻa e tafa tā fakatātaá ʻe fakahoko, ʻoku totonu ke ʻoua naʻa toe loloto ange ʻa e tā ʻuluakí ʻi he 40-50% ʻo e inisi honau matolu.
ʻIkai Fakafonu & Ko hono tā
ʻOku fokotuʻu atu ʻi he blanking mo e ukamea. ʻOku totonu ke fakafuofua ki hono fakaʻata ʻi he vahaʻa ʻo e fakaavaava mo e mate 6% ʻo e matolu ʻo e ukamea ʻoku ngaue. ʻOku fokotuʻu atu ke fakaʻaongaʻi ha lolo maama ke taʻofi ʻaki e tataʻo ʻo e pekia.
Sitapa ʻo e Fōmú
ʻOku faitatau ʻa e ngaahi founga ki he foomu stamping mo ia ʻoku fakaʻaongaʻi ʻaki ha ukamea angavaivai tuku kehe pe ʻa e ngaahi fakatamaki ʻoku totonu ke fai ke fakaʻehiʻehi ai mei seizing pe fusi hake ʻa e ukamea. ʻE lava ke ngaohi ʻa e pekiá ʻaki ha ukamea tuku kehe pē ʻo ka ʻi ai ha heheke lahi ʻi he ukamea. ʻI he tūkunga ko ʻení, ʻoku totonu ke fakaʻaongaʻi ʻa e polonise pe beryllium kopa. ʻE lava ke fakaʻaongaʻi ʻa e alloys maʻulalo hange ko Kirksite ki ha fanga kiʻi lele nounou. Kuo pau ke fakaʻaongaʻi ʻa e ulapapeni pe fakamoluu mate ʻi he taimi ʻoku fie maʻu ai. ʻOku fie maʻu ʻe Tantalum ʻi he tuʻunga annealed ha seti tuʻuloa ʻi he faʻu pea ʻoku ʻikai toe tupu ia mei he pekia.
Vilo
ʻE lava ke fakahoko e viló ʻe he ngaahi founga angamahení. ʻOku fakaʻaongaʻi ʻa e ngaahi veʻeteka sitila ʻoku vilohi ke hoko ko ha meʻangāue. Neongo ia, ʻe lava ke fakaʻaongaʻi ʻa e palasa lanu engeenga. Koa lanu engeenga pe Johnsons Fika 150 ʻe lava pē ke fakaʻaongaʻi ʻa e tā fakatātaá ko ha meʻa fakafaingofua.
ʻAnaealingi
Ko e founga ki he anealing tantalum ko hono fakamafanaʻi ʻa e naunau n ko ha vacum maʻolunga ki he mafana ʻo e ʻea ʻi ʻolunga 2000 mataʻitohi K.
Fakafepakiʻi ʻo e Ngaahi Meʻa Fakaʻof
ʻOku ʻiloa ʻa Tantalum ʻi he fakafepaki fakaʻofoʻofa pehe ki he lahi taha ʻo e ʻesiti. Meimei tatau mo e ipu sioʻata, ko e taha ʻo e ngaahi fakaʻatā makehé ko e hydrofluoric acid. ʻOku totonu ke fakaʻehiʻehi mei ha faʻahinga founga pe ʻoku ʻi ai ʻa e fluoride ion. ʻE lava foki ke ʻohofi ia ʻe ha sulfur mioxide, haka mālohi mo e ngaahi masima māsima. ʻI he mafana ʻo e ʻea 300 ngaahi mataʻitohi F he ʻikai uesia ʻe he ngaahi meʻa huhuʻa mo taʻemaau taha ʻa e tantalum. ʻOku tatau pe ia mo e meimei ngaahi kasa fakatuʻutamaki kotoa pe kau ai ʻa e viviku pe momoa chlorine mo e bromine. Mafana ʻo e ʻea ʻi ha fuʻu lahi 300 mataʻitohi K. ʻe lava ke iku ia ki ha ngaahi palopalema ʻoku loloa ange tuku kehe kapau ʻoku ʻi ai ha maluʻi mei he fakaʻuliʻi ʻo e fengaueʻaki. ʻOku toe tauhi foki ʻe Tantalum ʻa e fakafepaki maʻolunga ange ke ʻohofi ʻaki ha ukamea huhuʻa hange ko ʻelemeniti ko, lithium, magnesium, mercury mo e sotiume ʻi he mafana ʻo aʻu ki he 2000 mataʻitohi K.
