NIMONIC 90 thiab INCONEL 718 yog ob qho tib si muaj npe nrov npib tsib xee-raws li superalloys uas nthuav tawm kev ua tau zoo tshwj xeeb hauv cov xwm txheej hnyav, ua rau lawv nrhiav tau ntau yam hauv ntau yam kev siv siab - kev ntxhov siab. Cov alloys no tshwj xeeb tsim los muab cov khoom siv zoo heev, tiv thaiv oxidation, thiab txhim khu kev ruaj ntseg hauv ib puag ncig uas muaj qhov kub thiab txias thiab corrosive. Kev nkag siab ntawm lawv cov yam ntxwv sib txawv yog qhov tseem ceeb rau cov engineers thiab cov kws tshawb fawb cov ntaub ntawv thaum xaiv cov khoom tsim nyog rau kev thov. Qhov tseem ceeb ntawm NIMONIC 90 thiab INCONEL 718 suav nrog:
Fabrication thiab Workability: Txawm hais tias ob qho tib si alloys tuaj yeem welded thiab machined, lawv qhov kev ua haujlwm txawv txav, cuam tshuam rau kev tsim khoom.
Kev sib xyaw: Ob lub alloys feem ntau yog tsim los ntawm npib tsib xee tab sis txawv ntawm lawv cov alloying ntsiab, uas cuam tshuam rau lawv cov khoom siv kho tshuab thiab kev ua haujlwm.
Mechanical Properties: Txhua lub alloy muaj siab tensile thiab tawm los muaj zog, nrog variations uas haum rau tej kev lag luam xav tau kev pab.
Cov yam ntxwv tsis kam: Ob leeg ua tau zoo heev corrosion thiab oxidation kuj, tseem ceeb heev rau kev siv nyob rau hauv aerospace thiab lub zog tsim.
Daim ntawv thov: Lawv nrhiav kev siv dav hauv cov khoom tseem ceeb rau kev lag luam xws li aerospace, roj thiab roj, thiab hluav taws xob nuclear.
Kev sib xyaw
| Alloy | Nickel (Ni) | Chromium (Cr) | Hlau (Fe) | Molybdenum (hli) | Cobalt (zeeg) | Titanium (Ti) | Aluminium (Al) |
|---|---|---|---|---|---|---|---|
| NIMONIC 90 | 50-55% | 19-21% | Bal. | 5-6% | 15% | 0.5-1% | 3-4% |
| TIAB SA 718 | 50-55% | 17-21% | Bal. | 2.8-3.4% | 5% | 0.7-1.5% | 0.2-0.8% |
Mechanical Properties
| Khoom | NIMONIC 90 | TIAB SA 718 |
|---|---|---|
| Qhov ntom | 8.2 g / cm³ | 8.19 g / cm³ |
| Tensile zog (Room Temp) | ~ 950 MPa | ~ 1000 MPa |
| Yield Strength (Room Temp) | ~ 750 MPa | ~ 900 MPa |
| Kev khiav hauj lwm qhov kub thiab txias | Mus txog 980 degree | Txog li 700 degree |
| Elongation (ntawm pob txha) | 20% | 30% |
Corrosion thiab Oxidation Resistance
| Alloy | Kev piav qhia |
|---|---|
| NIMONIC 90 | Kev tiv thaiv oxidation zoo heev, tshwj xeeb tshaj yog nyob rau hauv qhov kub thiab txias, ua rau nws zoo tagnrho rau turbine Cheebtsam thiab siab - kev ntxhov siab. |
| TIAB SA 718 | Zoo tiv thaiv oxidation thiab corrosion nyob rau hauv ntau qhov chaw, tshwj xeeb tshaj yog nyob rau hauv aerospace thiab roj thiab roj siv. |
Daim ntawv thov
| Kev lag luam | NIMONIC 90 Daim ntawv thov | INCONEL 718 Daim ntawv thov |
|---|---|---|
| Aerospace | Turbine blades, combustion chambers, thiab high -temperature components | Aircraft engines, gas turbines, thiab foob pob ua ntxaij cav |
| Lub zog tiam | Cheebtsam ntawm cov roj turbines | Kev tsim cov turbines thiab reactors |
| Roj thiab Roj | Downhole tubing thiab cov khoom siv hauv cov chaw ua phem | Drilling khoom thiab valve Cheebtsam |
| Kev lag luam Nuclear | Reactor Cheebtsam, tshwj xeeb tshaj yog qhov yuav tsum muaj lub zog siab | Siv nyob rau hauv cov hlab ntsha siab thiab lwm yam tseem ceeb reactor Cheebtsam |
Fabrication thiab Workability
| Alloy | Fabrication Techniques | Ua haujlwm tau |
|---|---|---|
| NIMONIC 90 | Vuam, machining, forging | Nruab nrab - tuaj yeem nyuaj rau lub tshuab vim nws lub zog siab. |
| TIAB SA 718 | Vuam, machining, sib sau | Zoo – paub rau nws machineability thiab zoo weldability. |
Qhov zoo
| Alloy | Qhov zoo |
|---|---|
| NIMONIC 90 | - Siab - kub lub zog thiab oxidation kuj. |
| - Zoo fabricability thiab siab tiv thaiv thermal qaug zog. | |
| TIAB SA 718 | - Zoo heev corrosion kuj nyob rau hauv ntau qhov chaw. |
| - High yield zog thiab toughness, ua rau nws haum rau kev siv tseem ceeb. | |
| - Zoo weldability thiab machinability, tso cai rau ntau yam kev tsim khoom. |
Qhov txawv
| Feature | NIMONIC 90 | TIAB SA 718 |
|---|---|---|
| Ua kom pom tseeb | Tsim los rau siab -kev siv kub, tshwj xeeb tshaj yog nyob rau hauv aerospace thiab turbine ib puag ncig. | Kev siv ntau yam hauv aerospace, roj thiab roj, thiab kev lag luam nuclear, nrog zoo corrosion kuj. |
| Composition Variability | Cov ntsiab lus cobalt siab dua tuaj yeem txhim kho kev ua haujlwm siab - kub. | Tsawg nickel cov ntsiab lus, sib npaug nrog rau lwm yam alloying ntsiab rau kev ua tau zoo. |
| Ua haujlwm tau | Ntau nyuaj rau tshuab vim muaj zog cov yam ntxwv. | Feem ntau yooj yim rau txheej txheem, haum rau complex geometry thiab fabrication. |
Peb cov khoom lag luam
Peb lub tuam txhab tshwj xeeb hauv kev xa tawm ntawm siab -kev ua tau zoo nickel- cov alloys thiab cov khoom siv hlau tshwj xeeb, muab cov khoom lag luam uas suav nrog ntau hom kev lag luam xws li siab- kub, corrosion- tiv taus, thiab siab - lub zog scenarios. Peb cov khoom tseem ceeb muaj xws li npib tsib xee-raws li superalloys xws li Hastelloy, Inconel, thiab Incoloy, as well as super austenitic stainless hlau, duplex steels, Monel alloys, cobalt-raws li alloys, thiab precision alloy series. Cov ntaub ntawv no xa cov kev ua tau zoo tshwj xeeb nyob rau hauv cov xwm txheej hnyav heev- xws li kub kub, muaj zog corrosion, thiab siab siab-thiab tau dav siv hauv aerospace, lub zog thiab tshuaj lom neeg engineering, marine engineering, thiab high{11}} khoom tsim khoom. Peb muab cov neeg siv khoom thoob ntiaj teb nrog cov khoom siv txhim khu kev qha thiab kev txhawb nqa.
Peb lub Hoobkas
Peb lub Hoobkas tau nruab nrog cov txheej txheem ntau lawm ntawm kev tsim khoom thiab kuaj cov cuab yeej, ua kom tag nrho - txheej txheem tsim muaj peev xwm los ntawm smelting thiab kub ua hauj lwm rau precision tiav. Nyob rau hauv lub hauv paus ntawm ntau lawm, peb siv lub tshuab nqus tsev induction melting (VIM) thiab electroslag remelting (ESR) rauv kom ntseeg tau siab purity thiab uniform muaj pes tsawg leeg ntawm cov ntaub ntawv alloy. Peb kuj siv ntau-kev taw qhia forging presses, precision dov mills, thiab nruam annealing kab kom ua tiav daim hlau, raj, tuav, thiab cov xov hlau. Kev ruaj ntseg zoo cia siab rau cov khoom siv ntsuas xws li ncaj qha- nyeem spectrometers, scanning electron microscopes (SEM), siab -cov tshuab ntsuas kub, thiab cov chav kuaj corrosion, uas nruj me ntsis saib xyuas cov qauv sib xyaw, cov khoom siv kho tshuab, thiab corrosion kuj. Ua raws li cov qauv thoob ntiaj teb xws li ISO, ASTM, thiab ASME, peb lub Hoobkas siv cov kev tswj xyuas ntse thiab kev tswj xyuas thoob plaws tag nrho cov txheej txheem tsim khoom, xa cov khoom siab tshaj -kev ua tau zoo, traceable premium alloy khoom rau peb cov neeg siv khoom.
