Nrhiav kev txhim khu kev qhaInconel 718 thiab Inconel X-750 alloytus neeg muag khoom hauv Suav teb? Koj twb tuaj rau qhov zoo lawm. Raws li ib tug ua Inconel siab - kub alloy chaw tsim tshuaj paus thiab Hoobkas nrog ntau tshaj 18 xyoo ntawm kev paub,GNEEmuab Hoobkas- tus nqi ncaj qha, tshem tawm cov neeg nruab nrab. Phau ntawv qhia no yuav muab cov ncauj lus kom ntxaws sib piv ntawmInconel 718 thiab Inconel X-750, suav nrog kev muaj pes tsawg leeg, kev ua tau zoo, kev siv, thiab tus nqi tsim nyog los pab koj xaiv cov khoom tsim nyog rau koj qhov project.
Inconel Alloy 718 vs Inconel X-750 Alloy sib piv
Inconel Alloy 718 vs Inconel X-750 Alloy sib piv
Vim nws cov ntsiab lus molybdenum, Inconel 718 alloy muaj lub zog zoo heev, weldability, thiab corrosion kuj (tshwj xeeb tshaj yog nyob rau hauv ib puag ncig txo), ua rau nws zoo tagnrho rau siab -stress aerospace Cheebtsam. Inconel X-750, ntawm qhov tod tes, muaj qhov zoo tshaj qhov kub ntawm oxidation tsis kam thiab tiv thaiv kev ntxhov siab corrosion, ua rau nws nrov hauv kev tsim hluav taws xob thiab kev siv caij nplooj ntoos hlav. X-750 alloy yog ntxiv dag zog nrog titanium / aluminium ('), thaum 718 yog hardened nrog '/', tab sis 718 feem ntau outperforms X-750 nyob rau hauv tag nrho cov neeg kho tshuab zog thiab nyob rau hauv hnyav tej yam kev mob.
Puas yog Inconel X-750 sib nqus?
Cov khoom no muaj kev so zoo heev thiab tsis yog -magnetic. Nws lub siab - qhov kub thiab txias zog mus txog 1300ºF (700 degree), thiab nws cov oxidation tsis kam mus txog 1800ºF (983˚C). Inconel X-750 tiv thaiv corrosion los ntawm ntau yam kev lag luam corrosives nyob rau hauv ob qho tib si oxidizing thiab txo cov mob.
1. Txheej txheem cej luam: Taw qhia rau Inconel 718 thiab Inconel X-750
Ob leegInconel 718 thiab Inconel X-750yog npib tsib xee-raws li superalloys, renowned rau lawv zoo heev - kub lub zog, oxidation kuj, thiab corrosion kuj. Lawv tau siv dav hauv aerospace, lub zog, thiab tshuaj lom neeg kev lag luam.
Tom ntej: Inconel Alloy 718Ib lub hnub nyoog- hardening alloy muaj niobium thiab molybdenum, nws tuav lub zog siab ntawm qhov kub txog li 700℃thiab nthuav dav weldability zoo heev.
Inconel X-750:Hnub nyoog- hardening nrog ntxiv ntawm txhuas thiab titanium, nws muaj kev tiv thaiv zoo heev rau kev so ntawm qhov kub thiab txias thiab feem ntau yog siv rau hauv springs thiab fasteners.
Txawm hais tias lawv cov npe zoo sib xws, ob lub alloys sib txawv heev hauv kev sib xyaw, kev kho cua sov, thiab kev siv thawj zaug.
Factory khoom duab ntawm Inconel 718 alloy thiab Inconel X-750 alloy
2. Chemical Composition Comparison: Inconel 718 vs Inconel X-750
| Element | Inconel 718 (UNS N07718) Cov ntsiab lus (%) | Inconel X-750 (UNS N07750) Cov ntsiab lus (%) |
|---|---|---|
| Nickel (Ni) | 50 – 55 | Ntau dua lossis sib npaug li 70 |
| Chromium (Cr) | 17 – 21 | 14 – 17 |
| Hlau (Fe) | Tshuav | 5 – 9 |
| Niobium + Tantalum (Nb + Ta) | 4.75 – 5.5 | 0.7 – 1.2 |
| Molybdenum (hli) | 2.8 – 3.3 | – |
| Titanium (Ti) | 0.65 – 1.15 | 2.25 – 2.75 |
| Aluminium (Al) | 0.2 – 0.8 | 0.4 – 1.0 |
| Cov pa roj carbon (C) | Tsawg dua lossis sib npaug li 0.08 | Tsawg dua lossis sib npaug li 0.08 |
Qhov sib txawv tseem ceeb:
ib 718muaj ntau npaum li cas ntawm molybdenum thiab niobium, txhim kho nws qhov siab - qhov kub thiab txias tsis kam.
Inconel X-750muaj cov ntsiab lus nickel ntau dua thiab ntau dua aluminium-titanium cov ntsiab lus, ua rau muaj hnub nyoog tshaj tawm ntau dua- cov nyhuv hardening.
3. Inconel 718 Thiab Alloy X-750 Mechanical Properties & Heat Treatment
Cov txheej txheem kev kho cua sov ncaj qha cuam tshuam rau cov khoom kawg ntawm cov hlau.
**Inconel 718 Kev kho cua sov thiab cov cuab yeej **
Kev kho cua sov:Kev kho mob (980 degree) + Kev laus (720℃/ 8h → 620℃/ 8h, rauv txias).
Chav ntsuas kub Tensile Strength:Ntau dua lossis sib npaug li 1275 MPa.
High Temperature Properties:Tuav lub zog siab thiab zoo qaug zog ntawm 650 degree.
Qhov zoo:Tsis xav tau rov- laus tom qab vuam; zoo machinability.
**Inconel X-750 Kev kho cua sov thiab cov cuab yeej **
Kev kho cua sov:Kev kho mob (1150 degree) + Kev laus (845℃/ 24h + 705℃/ 20h, cua txias).
Chav ntsuas kub Tensile Strength:Ntau dua lossis sib npaug li 1030 MPa.
High -kev ua haujlwm kub:Kev ua haujlwm zoo heev rau kev so hauv qab 700 degree, haum rau kev tsim khoom caij nplooj ntoos hlav.
Qhov zoo:Zoo ntev - lub sij hawm kev ruaj ntseg ntawm qhov kub thiab txias.
4. Daim Ntawv Thov Fields Sib piv: Inconel 718 vs. Inconel X-750
Inconel 718 Vs. Daim ntawv thov Inconel X-750
| Daim ntawv thov cheeb tsam | Inconel 718 (UNS N07718) Cov. | Inconel X-750 (UNS N07750) |
|---|---|---|
| Aerospace - Dav Hlau Cav | Turbine discs, hniav, casings, structural engine Cheebtsam | Springs, fasteners, sealing rings, turbine hniav retaining rings |
| Gas Turbines | Hot-section Cheebtsam, high-temperature structural parts | Turbine hniav tuav rings, fasteners, sealing ntsiab |
| Roj & Roj (Cov Cuab Yeej Downhole) | High-pressure, high-temperature downhole cov cuab yeej, cov cuab yeej zoo | – |
| Kev lag luam Nuclear | Reactor structural Cheebtsam, core internals | Bolts, springs, fixtures rau reactor thiab roj sib dhos |
| Kev kho cua sov & Tooling | – | Fixtures, kub-kub pwm, rauv racks, tuav cov cuab yeej |
| General High-temperature Fastening | – | Bolts, studs, txiv ntseej, ntxhua khaub ncaws rau kev pabcuam siab kub |
5. Corrosion Resistance piv
Ob leeg ua tau zoo heev nyob rau hauv feem ntau corrosive ib puag ncig, tab sis nrog me ntsis sib txawv ntawm kev ua tau zoo.
Oxidation thiab Carbonization:Ob leeg pom zoo oxidation kuj nyob rau hauv huab cua mus txog 980 degree. X-750, vim nws cov ntsiab lus chromium qis me ntsis, tej zaum yuav qis me ntsis rau 718 nyob rau hauv huab cua oxidizing ib puag ncig.
Chloride Stress Corrosion Cracking:Cov ntsiab lus siab nickel muab ob qho tib si zoo tiv thaiv kev ntxhov siab corrosion cracking.
Acid thiab Alkaline Ib puag ncig: Ob leeg ua tau zoo nyob rau hauv ntau yam acidic thiab alkaline daws. Inconel 718, vim nws cov ntsiab lus molybdenum, tuaj yeem muaj txiaj ntsig zoo hauv kev txo cov kua qaub tawm.
6. Inconel 718 thiab Inconel X-750 machinability thiab weldability
Machineability:
Ob lub alloys tuaj yeem ua rau hauv lub xeev annealed, tab sis lawv nyuaj rau tshuab, xav tau cov cuab yeej carbide, qis - ceev, siab - pub machining, thiab txaus txias.
Inconel 718 qhia txog kev ua haujlwm hnyav dua.
Weldability:
Qauv Zauv: Inconel 718Weldability zoo heev ntawm cov hnub nyoog- hardening alloys. Nws tuaj yeem welded siv ntau txoj hauv kev xws li TIG, MIG, thiab electron beam welding, nrog rau qhov tsis tshua muaj siab rau kev tshaj tawm - vuam tawg.
Inconel X-750:Weldability zoo, tab sis yuav tsum tau ua tiav cov kev kho mob thiab kev laus tom qab vuam kom ua tiav qhov kev ua tau zoo; txwv tsis pub, strain- kev laus kab nrib pleb yog nquag tshwm sim nyob rau hauv tshav kub- cuam tshuam cheeb tsam.
7. Phau Ntawv Qhia Txog Tus Nqi thiab Kev Xaiv
Nqe Factors:
Cov nqi raw khoom:Inconel X-750 muaj cov ntsiab lus ntau dua nickel, feem ntau ua rau tus nqi siab dua li 718.
Machining nyuaj:Complex qhov chaw xav tau cov nqi machining ntau dua.
Kev kho cua sov:X-750 muaj lub voj voog kho cua sov ntev dua, muaj peev xwm nce nqi.
Kev Ua Lag Luam thiab Kev Xav Tau: Kev hloov pauv hauv aerospace xav tau cuam tshuam rau tus nqi.
Cov lus pom zoo xaiv:
Xaiv Inconel 718 yog:Koj cov kev xav tau muaj xws li siab -cov khoom muaj zog, zoo heev weldability, thiab kev ua haujlwm nyob rau hauv 650-700℃ntau yam, xws li turbine disks thiab cov khoom siv.
Xaiv Inconel X-750 yog:Koj cov kev xav tau muaj xws li siab -kub so kom txaus, ntev - lub sij hawm kev ruaj ntseg, thiab springs los yog fasteners ua hauj lwm hauv qab 700℃.
Tiv tauj peb rau daim ntawv teev nqi tshiab tshaj plaws rau Inconel 718 thiab Inconel X-750 alloys thiab kev sib tham xaiv cov khoom pub dawb.
