1. Inconel 718 yog dab tsi, thiab vim li cas nws thiaj siv rau siab -kub- cov ntawv tiv thaiv?
Teb:
ib 718yog nickel{0}}chromium alloy nrog ntxiv ntawm molybdenum, niobium, thiab hlau. Nws yog lub npe hu rau nwssiab zog, zoo heev qaug zog, thiabcorrosion kuj, tshwj xeeb tshaj yog nyob rau qhov kub siab. Cov laj thawj tseem ceeb rau kev sivInconel 718 nplooj ntawvsuav nrog:
Siab -Tsub Muaj Zog: Inconel 718 tuav nws lub zog mus txog 1300℃F (700 degree), ua rau nws zoo tagnrho rau siv hauvgas turbines, dav hlau cav, lub dav hlau, thiabnuclear reactors.
Dej nag-Hardening Alloy: Nws tuaj yeem ua kom muaj zog los ntawm kev kho cua sov, ua rau nws haum rau siab - kev siv kev ntxhov siab.
Corrosion Resistance: Cov hlau tiv thaiv oxidation, carburization, thiab sulfurization, uas yog qhov tseem ceeb rau cov khoom raug cuam tshuam rau qhov chaw ua phem.
Formability: Cov khoom siv muaj ntau yam thiab tuaj yeem siv los tsim cov ntawv uas tau tsim los rau hauv qhov nyuaj rau kev thov aerospace thiab kev lag luam.
Inconel 718 nplooj ntawvtshwj xeeb yog siv nyob rau hauv aerospace thiab kev lag luam daim ntawv thov uas muaj zog, tsis kam mus rau siab kub, thiab muaj peev xwm los tswj cov qauv kev ncaj ncees lub sij hawm yog ib qho tseem ceeb heev.
2. Dab tsi yog qhov tseem ceeb ntawm ASTM B670 thiab AMS 5596 tus qauv rau Inconel 718 nplooj ntawv?
Teb:
CovASTM B 670 Cov Lus Qhia Tshwj XeebthiabTIAB SA 5596yog ob qho tib si cov qauv kev lag luam uas txhais cov kev cai rau Inconel 718 nplooj ntawv. Nov yog yam uas txhua tus qauv ua kom ntseeg tau:
ASTM B 670 Cov Lus Qhia Tshwj Xeeb: Qhov no yog tus qauv specification raunpib tsib xee-chromium alloy phaj, ntawv, thiab stripsntawm Inconel 718. Nws teev cov kev cai rau lubtshuaj muaj pes tsawg leeg, mechanical zog, Kev kho cua sov, thiabnto tiavntawm cov alloy, kom ntseeg tau tias sib xws thiab zoo nyob rau hauv txawv manufacturers.
TIAB SA 5596: CovAerospace Khoom Specification (AMS 5596)tshwj xeeb tswj covCov kev cai rau Inconel 718 hauv daim ntawv, sawb, thiab phajsiv rau hauv kev siv aerospace. Nws hais txog yam xws litensile zog, yield zog, thiabelongation ntawm qhov kub thiab txias, uas yog ib qho tseem ceeb rau aerospace Cheebtsam xws li turbine hniav thiab dav hlau cav qhov chaw.
Ob tus qauv pab kom ntseeg tau tiasInconel 718 nplooj ntawvntsib tus nrujkev ua tau zoo thiab kev xav tau zooxav tau rau aerospace, nuclear, thiab lwm yam siab -kev ua haujlwm kev siv.
3. Dab tsi yog cov ntawv thov tseem ceeb ntawm Inconel 718 cov ntawv nyob rau hauv siab - qhov kub thiab txias?
Teb:
Inconel 718 nplooj ntawvyog dav siv nyob rau hauv daim ntawv thov qhov twgsiab zog, kub tsis kam, thiabcorrosion kujyog qhov tseem ceeb. Qee qhov kev lag luam tseem ceeb thiab cov ntawv thov suav nrog:
Aerospace: Siv rau kev tsim khoom xws li turbine hniav, cov ntsaws ruaj ruaj, thiab lwm yam khoom uas raug kub hnyiab hauv cov tshuab dav hlau, foob pob hluav taws motors, thiab roj turbines.
Gas Turbines: Cov khoom siv xws li turbine blades, rotors, thiab casings, qhov twg cov khoom raug kub hnyiab thiab siab - kev ntxhov siab.
Nuclear zog: Siv nyob rau hauv reactors, chav generators, thiab lwm yam nuclear Cheebtsam uas cov khoom yuav tsum tau tiv taus huab cua, nrog rau cov hluav taws xob siab.
Kev ua tshuaj lom neeg: Inconel 718 nplooj ntawv yog siv nyob rau hauv reactors, tshav kub exchangers, thiab lwm yam khoom uas raug cov tshuaj aggression thiab kub siab.
Marine Engineering: Inconel 718 yog siv nyob rau hauv cov khoom rau subsea systems, xws li li qub, twj tso kua mis, thiab kav dej, qhov twg corrosion thiab kub muaj kev txhawj xeeb.
Kev sib xyaw ntawmlub zog ntawm qhov kub thiab txias, tiv thaiv corrosion, thiabzoo heev qaug zog zogua rau Inconel 718 nplooj ntawv tsim nyog rau qhov xav tau ib puag ncig hauv cov kev lag luam no.
4. Dab tsi yog cov cuab yeej tseem ceeb ntawm Inconel 718 uas ua rau nws haum rau siab - daim ntawv thov kub?
Teb:
Mechanical Properties ntawmib 718pab txhawb kom nws haum rau hauvsiab - daim ntawv thov kub:
Tensile zog: Inconel 718 tuav lub zog tensile siab, feem ntau nyob ib ncig ntawm130,000 psi (900 MPa)ntawm chav tsev kub, thiab khaws nws lub zog ntawm qhov kub thiab txias (txog 1300℃F lossis 700 degree).
Yield zog: Nws muaj lub zog tawm los zoo heev, feem ntau nyob ib puag ncig80,000 psi (550 MPa)ntawm chav tsev kub, uas ua kom ntseeg tau tias nws tuaj yeem tiv taus qhov kev ntxhov siab tseem ceeb yam tsis muaj deformation mus tas li.
Elongation: Inconel 718 muaj qhov zoo elongation (kwv yees li 25% ntawm chav tsev kub), ua kom nws ruaj khov thiab tuaj yeem nqus tau lub zog tsis muaj kev tawg.
Fatigue thiab Creep Resistance: Nws nthuav tawm zoo heev tiv thaiv rau ob qho tib siqaug zog(vim yog cyclic loading) thiabnkag(deformation nyob rau hauv qhov kev ntxhov siab tas li ntawm qhov kub thiab txias).
Corrosion thiab Oxidation Resistance: Cov ntsiab lus siab nickel muaj kev tiv thaiv oxidation thiab corrosion, tshwj xeeb tshaj yog nyob rau hauv huab cua kub qhov twg lwm yam ntaub ntawv yuav degrade sai.
Cov khoom no tso caiInconel 718 nplooj ntawvua kom ntseeg tau raws li qhov siab - kev ntxhov siab thiab siab - qhov kub thiab txias tau ntsib hauv kev lag luam xws li aerospace, gas turbines, thiab nuclear fais fab.
5. Inconel 718 piv rau lwm cov nickel{2}}raws li alloys li cas ntawm kev ua tau zoo thiab nqi?
Teb:
Inconel 718 yog ib qho nrov tshaj plawsnickel{0}}raws li superalloys, tab sis nws yog ib qho tseem ceeb los sib piv nws cov kev ua tau zoo thiab tus nqi nrog rau lwm cov alloys hauv tib qeb:
Kev ua tau zoo:
ib 718muab azoo tshuavnruab nrab ntawm lub zog,oxidation tsis kam, thiabweldability. Nws yog qhov zoo tagnrho rau qhov kub thiab txias mus txog1300 ° F (700 ° F)thiab muaj kev tiv thaiv zoo heevqaug zogthiabnkag.
Lwm cov alloys zoo liIb 625muabsuperior corrosion kuj, tshwj xeeb tshaj yog nyob rau hauv dej hiav txwv thiab hnyav chemical ib puag ncig, tab sis lawv qhov siab - qhov kub thiab txias tsis zoo li Inconel 718.
Inconel 600muabzoo heev oxidation tsis kamntawm qhov kub thiab txias tab sis tsis ua kom zoo nyob rau hauv cov neeg kho tshuab kev ntxhov siab thiab kub siab li Inconel 718.
Inconel X-750yog lwm qhov siab -kub alloy, tab sis nws feem ntau yog siv rausiab -kev nyuaj siabdaim ntaub ntawv ntawm qhov kub thiab txias, ua rau nws zoo dua rau cov ntawv thov nyob qhov twgcreep kujyog qhov tseem ceeb.
Nqi:
Inconel 718 feem ntau tsis tshua kim dua qee qhov siab dua - ua cov alloys, xws liIb 625thiabInconel X-750, uas yog kim dua vim lawv cov ntsiab lus nickel ntau dua thiab cov khoom tshwj xeeb.
Txawm hais tias tseem kim piv rau carbon steels thiab stainless hlau, Inconel 718 muabkev ua tau zoo dua rau feem ntau aerospace thiab kev lag luam sivtsawg dua - nqi alloys, ua rau nws tus nqi - kev xaiv zoo nyob rau hauv ntau qhov kev ua haujlwm siab -.
Inconel 718 muajtus nqi zoo heevhauv siab -kub siv qhov twg asib npaug ntawm lub zog, oxidation kuj, thiab tus nqi -effectivenessyog yuav tsum tau. Rau kev xav tau tshwj xeeb (xws li, huab cua corrosion kuj lossis siab dua kev ua haujlwm kub), alloys nyiamIb 625los yogInconel X-750tej zaum yuav zoo dua, tab sis lawv tuaj ntawm tus nqi siab dua.
Cov ntsiab lus:
Inconel 718 nplooj ntawv(ASTM B670, AMS 5596) yogsiab-kub-resistant super alloyssiv nyob rau hauv xav tau kev lag luam xws li aerospace, roj turbines, nuclear zog, thiab tshuaj ua. Lawv muab zoo heevzog, qaug zog kuj, thiabcorrosion kuj, ua rau lawv zoo tagnrho rau siab - kev ntxhov siab, siab - qhov kub thiab txias. Txawm hais tias nws yog tus nqi ntau dua -zoo piv rau lwm cov nickel-raws li superalloys,ib 718muab akev daws teeb meem ntau yamrau ntau hom kev ua haujlwm siab -.
