Lo lus "superalloy" yog siv los piav qhia txog kev ua haujlwm siab ntawm cov hlau tshwj xeeb tsim los txuas ntxiv lub neej ntawm cov khoom siv dav hlau raug tshav kub heev. Superalloys yog ua los ntawm nickel, hlau, thiab cobalt. Los ntawm kev ntxiv cov ntsiab lus alloying kom ua tiav superfusion ntawm ntau yam hlau, lawv tuaj yeem ua haujlwm ntev ntawm qhov kub siab tshaj 600 degree C thiab nyob rau hauv qee qhov kev ntxhov siab, thiab dhau los ua ntau yam aerospace, petrochemical, kev sib tw, thiab lwm yam khoom siv hauv kev lag luam. .
Nta thiab daim ntawv thov teb ntawm Inconel 718
Inconel 718 yog nag lossis daus-tawv tawv nickel-chromium-hlau alloy uas muaj niobium thiab molybdenum. Nws pib loj ntau lawm nyob rau hauv 1965. Nws muaj peev xwm solid-dissolve ntau yam alloying ntsiab thiab zam cov nag lossis daus ntawm tsawg-ductility teeb meem theem. Zoo plasticity thiab kev ua haujlwm zoo thiab microstructure stability ua rau nws yog qhov kev xaiv zoo tshaj plaws rau kev lag luam hauv ntau qhov chaw. Raws li kev txheeb cais, ntau tshaj li ib nrab ntawm tag nrho cov ntaub ntawv siv nyob rau hauv niaj hnub aerospace xyaw yog npib tsib xee-based superalloys, thiab kev siv ntawm Inconel 718 tau tshaj ib feem peb ntawm tag nrho cov nickel-based alloys.
Raws li lub voj voog Carnot, khiav lub cav ntawm qhov kub thiab txias ua rau lub zog ua haujlwm, uas ua rau lub cav muaj zog ntau dua. Los ntawm compressors, combustors, thiab turbines mus rau casings uas tiv thaiv thiab txhawb lub cav, thiab los ntawm ntau nyob ruaj ruaj rotating qhov chaw nyob rau hauv aerospace engines mus rau ntau yam bolted fasteners, Inconel 718 yog dav siv nyob rau hauv lub tsim ntawm high-temperature Cheebtsam rau aero engine. Tshwj xeeb tshaj yog nrog niaj hnub ua lub cav aerospace, Inconel 718 tau siv ntau dua.
Inconel 718 tau dhau los ua lub hauv paus ntawm kev siv aerospace, tab sis kuj tseem nyob rau hauv nuclear reactors (heat exchanger piping), submarines (propeller blades, ceev disconnects, auxiliary propulsion motors), tshuaj (cov nkoj, twj, li qub, kav), hluav taws xob tsim (kev lag luam. gas turbines), roj thiab roj kev lag luam (downhole pipelines, wellhead hardware, flare arms), thiab lwm yam. muaj cov ntawv thov tseem ceeb.
3D luam ntawv coj ua thiab daim ntawv thov muaj peev xwm rau Inconel 718
Kev ua raws cov qauv tsim nyog rau cov nickel-based superalloys uas tsis yog -3D txheej txheem luam ntawv tuaj yeem nyuaj. Thaum cov txheej txheem tsim ib txwm siv xws li machining, forging los yog vuam, feem ntau yuav tsum tau annealing ua ntej cov txheej txheem pib, thiab kub-kub corrosion, creep resistance, thiab lwm yam ntawm cov khoom raug cuam tshuam. Cov txiaj ntsig kev tsim khoom ntxiv ntawm Inconel 718 alloy qhia tau hais tias cov khoom siv kho tshuab tsis raug txi thiab tuaj yeem tshaj cov cam khwb cia lossis forged qhov chaw.
Tsis tas li ntawd, Inconel 718 yog ib qho nyuaj-rau-tsim khoom vim nws qhov kub thiab txias thiab ua haujlwm hnyav. Rau qhov nyuaj geometries feem ntau xav tau hauv kev siv aerospace, Inconel 718 feem ntau nyuaj thiab kim los tsim.
Aerospace tuam txhab uas muag twb tau siv 3D luam Inconel 718s nyob rau hauv aircraft engine manufacturing. Thaum kawg ua tiav cov roj thiab cov nqi txuag, tsim kev ywj pheej, qhov txo qis thiab nce cov saw hlau ua haujlwm tau muab cov khoom siv ntxiv rau hauv qhov tsom teeb rau kev lag luam aerospace.
Cov khoom uas tsis muaj qhov kub thiab txias ntawm 3D-luam superalloys kuj muaj peev xwm siv tau hauv cov kav dej thiab cov vaj tsev, cov khoom siv hluav taws xob qis thiab kev txhawb nqa, impeller lossis cov twj tso kua mis, lub valve stems, cov kav dej txias, cov kav dej kub, thermal rwb thaiv tsev tsim, thermal exchangers, thiab gases. nyob rau hauv high-porosity systems Cia yog zoo tagnrho rau high-strength superalloy daim ntaub ntawv nrog kub xws li los ntawm qis kub ntawm -273 degree mus rau high kub ntawm 760 degree.
Yog tias koj muaj 3D luam ntawv xav tau rau Inconel 718 cov khoom, koj tuaj yeem tiv tauj peb lub tuam txhab kom paub ntau ntxiv.
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