GH3030 cov tshuaj muaj zog txhawb nqa superalloy yog ib qho thaum ntxov 80Ni-20Cr khoom siv ntxiv dag zog rau superalloy.Nws muaj cov tshuaj lom neeg yooj yim, txaus siab thermal zog thiab siab plasticity hauv qab 800 ℃, thiab zoo oxidation tsis kam, thermal qaug zog, txias stamping thiab vuam txheej txheem zog.
Tom qab kev daws teeb meem, cov alloy yog ib theem austenite, thiab cov qauv ruaj khov thaum siv.
Turbine engine combustor Cheebtsam yuav tsum tau siv rau kev ua hauj lwm hauv qab 800 ℃ thiab lwm yam high-temperature Cheebtsam uas yuav tsum tau oxidation kuj tab sis dais me ntsis load hauv qab no 1100 ℃.
GH3030 muaj kev ua tau zoo ntawm kev ua haujlwm kub pov tseg txias ua, siv los ua ntau yam khoom siv tshuaj thiab khoom siv.
Alloy | % | Fe | Cr | Ni | C | Mn | Si | S | P | Al | Ti |
hwv 3030 | Min. | - | 19 | tshuav nyiaj li cas | - | - | - | - | - | - | 0.15 |
Max. | 1.5 | 22 | 0.12 | 0.7 ua | 0.8 ua | 0.02 ib | 0.03 ib | 0.15 | 0.35 Nws |
Qhov ntom | 8.4 g / cm³ |
Melting point | 1374-1420 ℃ |
xwm txheej | Tensile zog Rm N/mm² | Yield zog Rp 0. 2N/mm² | Elongation Raws li % | Brinell hardness HB |
Kev kho mob | 785 ib | - | 35 | - |
• Cov tshuaj muaj zog ntxiv superalloy, yooj yim tshuaj muaj pes tsawg leeg,
•Nws muaj lub zog zoo thermal thiab siab plasticity hauv qab 800 ℃.
•Thiab muaj oxidation zoo, thermal qaug zog, txias stamping thiab vuam txheej txheem zog.
•Tom qab kev daws teeb meem, cov alloy yog ib theem austenite, thiab cov qauv ruaj khov thaum siv.
GH3030 Daim ntawv thov teb:
Lub alloy tau siv nyob rau hauv aero-engine rau lub sij hawm ntev, thiab feem ntau yog siv nyob rau hauv combustor thiab afterburner qhov chaw raws li zoo raws li casing mounting ntug qhov chaw.