Dab tsi yog qhov txawv ntawm Inconel 718 thiab titanium alloys?
Dab tsi yog qhov txawv ntawm Inconel 718 thiab titanium alloys?
Inconel 718 ua tau zoo tshwj xeeb hauv qhov kub siab tshaj - qhov kub thiab txias (txog thiab tshaj 700 degree), ua kom pom kev nkag siab zoo dua, ua rau nws yog cov khoom siv zoo tshaj plaws rau kev tsim khoom siab - kub ntawm lub cav. Titanium alloys, ntawm qhov tod tes, muaj lub zog ntau dua - rau - qhov hnyav piv, ua rau lawv sib zog thiab tsim nyog rau cov qauv hauv dav hlau (xws li airframes thiab tsaws iav) ua haujlwm ntawm qhov kub hauv qab li ntawm 350℃. Txawm hais tias ob qho tib si cov ntaub ntawv muaj zog, corrosion- tiv taus, thiab kim, muaj qee qhov sib txawv tseem ceeb: Inconel yog npib tsib xee{10}}raws li thiab muaj qhov zoo heev - qhov kub thiab txias zog; titanium alloys yog tus cwj pwm los ntawm lawv cov khoom sib sib zog nqus, pab txo qhov hnyav. Inconel muaj qhov ceev dua tab sis zoo dua siab -kub tsis kam; thaum titanium alloys sib dua, lawv lub zog txo qis ntawm qhov kub thiab txias.
Yog Inconel 718 alloy weldable?
Inconel 718 alloy qhia tau zoo heev weldability nyob rau hauv ob lub hnub nyoog -hardened thiab annealed xeev. Txawm li cas los xij, txawm tias nws muaj zog tiv thaiv kab mob - hnub nyoog tawg, qee qhov teeb meem vuam tseem tuaj yeem tshwm sim, xws li microcracking thiab solidification cracking.
Txheej txheem cej luam ntawm Inconel 718
Inconel 718 yog superalloy tsim los ntawm npib tsib xee thiab chromium, paub txog nws qhov kev ua tau zoo tshwj xeeb thiab kev tiv thaiv corrosion ntawm qhov kub thiab txias. Cov khoom tseem ceeb ntawm Inconel 718 yog npib tsib xee, feem ntau suav rau 50-55% ntawm nws cov khoom xyaw. Cov hlau no tseem muaj cov ntsiab lus ntawm chromium (17-21%), hlau (sib npaug), thiab me me ntawm molybdenum (2.8-3.3%), niobium (4.75-5.5%), titanium (0.65-1.15%), thiab txhuas (0.2-0.8%). Qhov kev sib xyaw ua ke ntawm cov ntsiab lus no muab cov alloy zoo heev txhua yam muaj zog, nrog rau oxidation thiab corrosion kuj, tshwj xeeb tshaj yog nyob rau hauv high-temperature ib puag ncig.
Txheej txheem cej luam ntawm Titanium
Titanium alloys xws li Ti-6Al-4V feem ntau yog tsim los ntawm titanium (88-}90%), nrog rau txhuas (5.5-6.75%) thiab vanadium (3.5-4.5%). Titanium paub txog nws lub zog-rau-qhov hnyav piv thiab zoo heev corrosion kuj, tshwj xeeb tshaj yog nyob rau hauv marine ib puag ncig. Qhov sib ntxiv ntawm aluminium thiab vanadium txhim kho cov alloy lub zog thiab kev ua haujlwm siab, ua rau nws zoo tagnrho rau kev siv lub teeb yuag thiab ruaj khov. Titanium alloys tseem muaj kev txwv nruj rau cov ntsiab lus tsis huv los tswj lawv cov yam ntxwv ua haujlwm.
Kev sib piv tshuaj muaj pes tsawg leeg ntawm Inconel 718 thiab titanium
| Element | ib 718 | Titanium Alloys (piv txwv li, Ti-6Al-4V) |
|---|---|---|
| Nickel | 50-55% | Cov lej |
| Chromium | 17-21% | Cov lej |
| Hlau | Tshuav | Cov lej |
| Molybdenum | 2.8-3.3% | Tsis muaj |
| Niobium | 4.75-5.5% | Tsis muaj |
| Titanium | 0.65-1.15% | 88-90% |
| Aluminium | 0.2-0.8% | 5.5-6.75% |
| Vanadium | Tsis muaj | 3.5-4.5% |
Inconel 718 thiab Titanium Alloys - Khoom:
Inconel 718 muaj lub zog siab thiab tawv, tuav cov khoom no txawm tias qhov kub thiab txias, ua rau nws tsim nyog rau cov ntawv thov hauv siab - kev ntxhov siab, siab - qhov kub thiab txias. Nws zoo heev corrosion kuj, tshwj xeeb tshaj yog nyob rau hauv oxidizing media, ua rau nws haum rau corrosive ib puag ncig. Tsis tas li ntawd, nws cov creep thiab qaug zog tiv thaiv ntawm qhov kub thiab txias ua rau nws yog qhov kev xaiv zoo tshaj plaws rau cov khoom uas yuav tsum tau tiv taus qhov kub thiab txias rau lub sijhawm ntev.
Ntawm qhov tod tes, titanium alloys paub txog lawv cov khoom sib sib zog nqus, ua rau lawv cov ntaub ntawv zoo tshaj plaws rau cov ntawv thov uas txo qhov hnyav yog qhov tseem ceeb. Lawv pom zoo corrosion kuj, tshwj xeeb tshaj yog nyob rau hauv seawater thiab lwm yam hnyav ib puag ncig. Titanium alloys, xws li Ti-6Al-4V, muab lub zog, ductility, thiab toughness, ua rau lawv haum rau ntau yam kev siv.
Inconel 718 thiab Titanium Alloys - 3. Daim Ntawv Thov:
Inconel 718 qhov tshwj xeeb ua ke ntawm cov khoom ua rau nws nyiam cov khoom siv rau siab -kev ua haujlwm hauv aerospace, roj turbines, thiab tshuaj ua haujlwm. Nws yog feem ntau siv nyob rau hauv cov khoom uas yuav tsum tau tshwj xeeb lub zog thiab corrosion kuj, xws li turbine discs, cav mounts, thiab fasteners.
Titanium thiab nws cov alloys yog dav siv nyob rau hauv aerospace, kev kho mob, tshuaj, thiab marine industries vim lawv lub teeb yuag, corrosion kuj, thiab biocompatibility. Titanium implants siv hauv kev kho hniav thiab phais orthopedic yog cov piv txwv ntawm nws daim ntawv thov hauv kev kho mob. Hauv kev lag luam aerospace, titanium yog siv nyob rau hauv dav hlau fuselages, cav Cheebtsam, thiab tsaws iav vim nws lub zog siab - rau - qhov hnyav piv.
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