Inconel yog ib tsev neeg ntawm austenitic nickel chromium raws li super alloys.
Inconel alloys yog oxidation corrion tsis kam cov ntaub ntawv zoo haum rau kev pab cuam nyob rau hauv huab ib puag ncig raug rau siab thiab
Thaum tshav kub kub, Inconel tsim rhick, ruaj khov, passivating oxide txheej tiv thaiv qhov chaw los ntawm kev tawm tsam ntxiv.Inconel khaws cia
lub zog dhau qhov kub ntawm qhov dav, qhov zoo rau kev siv kub kub qhov twg txhuas thiab hlau yuav succumb rau creep
Raws li qhov tshwm sim ntawm thermally induced crystal vacancies.Inconel lub siab kub lub zog yog tsim los ntawm cov khoom tov.
ntxiv dag zog los yog nag lossis daus hardening, nyob ntawm cov alloy.
Inconel 718 yog npib tsib xee-chromium-molybdenum alloy tsim los tiv thaiv ntau yam kev cuam tshuam loj heev, pitting thiab crevice corrosion. Cov nickel steel alloy no tseem qhia tau tshwj xeeb tshaj tawm los, tensile, thiab creep-rupture zog ntawm qhov kub thiab txias. Cov nickel alloy no yog siv los ntawm qhov kub thiab txias mus txog rau lub sijhawm ua haujlwm ntev ntawm 1200 ° F. Ib qho ntawm qhov txawv ntawm Inconel 718's muaj pes tsawg leeg yog qhov sib ntxiv ntawm niobium kom tso cai rau lub hnub nyoog hardening uas tso cai rau annealing thiab vuam yam tsis muaj spontaneous hardening thaum lub sij hawm cua sov thiab txias. . Qhov sib ntxiv ntawm niobium ua nrog molybdenum kom nruj cov hlau matrix thiab muab lub zog siab yam tsis muaj kev kho cua sov ntxiv. Lwm cov nickel-chromium alloys nrov yog hnub nyoog hardened los ntawm kev sib ntxiv ntawm txhuas thiab titanium. Cov nickel hlau alloy no tau yooj yim fabricated thiab tej zaum yuav welded nyob rau hauv lub annealed los yog nag lossis daus (hnub nyoog) hardened mob. Qhov no superalloy yog siv nyob rau hauv ntau yam kev lag luam xws li aerospace, chemical processing, marine engineering, pollution equipment, and nuclear reactors.
Yam khoom | Inconel 600 | Inconel | Ib 617 | Inconel | Inconel | Inconel | Inconel | |
601 | 690 ib | 718 ib | x750 ua | 825 ib | ||||
C | ≤ 0.15 | ≤0.1 | 0.05-0.15 dr hab | ≤ 0.08 | ≤ 0.05 | ≤ 0.08 | ≤ 0.08 | ≤ 0.05 |
Mn | ≤1 | ≤1.5 | ≤0.5 | ≤ 0.35 | ≤0.5 | ≤ 0.35 | ≤1 | ≤1 |
Fe | 6 ~ 10 | so | ≤ 3 | so | 7 ~ 11 | so | 5 ~ 9 | ≥ 22 |
P | ≤ 0.015 | ≤ 0.02 | ≤ 0.015 | - | - | - | - | - |
S | ≤ 0.015 | ≤ 0.015 | ≤ 0.015 | ≤ 0.015 | ≤ 0.015 | ≤ 0.01 | ≤ 0.01 | ≤ 0.03 |
Si | ≤0.5 | ≤0.5 | ≤0.5 | ≤ 0.35 | ≤0.5 | ≤ 0.35 | ≤0.5 | ≤0.5 |
Cu | ≤0.5 | ≤1 | - | ≤0.3 | ≤0.5 | ≤0.3 | ≤0.5 | 1.5-3 |
Ni | ≥7.2 | 58-63 : kuv | ≥44.5 | 50-55 | ≥58 | 50-55 | ≥70 | 38-46 : kuv |
Co | - | - | 10 ~ 15 | ≤10 | - | ≤1 | ≤1 | - |
Al | - | 1-1.7 | 0.8-1.5 hli | ≤ 0.8 | - | 0.2-0.8 hli | 0.4-1 | ≤0.2 |
Ti | - | - | ≤0.6 | ≤ 1.15 | - | - | 2.25-2.75 Nws | 0.6-1.2 hli |
Cr | 14-17 | 21-25 | 20-24 | 17-21 | 27-31 : kuv | 17-21 | 14-17 | 19.5-23.5 Nws |
Nb+Ta | - | - | - | 4.75-5.5 Nws | - | 4.75-5.5 Nws | 0.7-1.2 hli | - |
Mo | - | - | 8 ~ 10 | 2.8-3.3 | - | 2.8-3.3 | - | 2.5-3.5 |
B | - | - | ≤ 0.006 | - | - | - | - | - |