Rau cov engineers hauv aerospace propulsion thiab lub zog tsim hluav taws xob, cov khoom muag muag yog qhov mob tseem ceeb. Feem ntau cov cua sov-cov hlau tsis muaj zog thiab cov qauv alloys muaj kev poob qis hauv cov khoom siv kho tshuab ib zaug500℃(932℃F)qhov pib yog tshaj.
Thaum koj cov turbine disks, fasteners, lossis cov hlab ntsha siab ua haujlwm ntawm650℃(1200℃F), txhua qhov kev sib haum xeeb hauv lub zog yuav ua rau:
Lub cev deformation:Cheebtsam poob lawv nruj tolerances, ua rau lub cev tsis ua hauj lwm.
Poob ntawm cov qauv kev ncaj ncees:Cov thermal loads heev tuaj yeem ua rau pob txha tawg yog tias lub zog tawm los tsis txaus.
Txo kev pab lub neej:Kev hloov pauv ntau zaus vim cov khoom siv qaug zog nce nqi khiav haujlwm.
Pebsiab -kev ua tau zoo GH4169 alloy, tsim tshwj xeeb los tiv thaiv cov xwm txheej huab cua no, tuav lub zog tawm los ntawm ntau dua lossis sib npaug ntawm 1030 MPa txawm nyob ntawm 650 degree.
Tau txais Daim Ntawv Tso Cai Instant rau Kub-Resistant GH4169
GH4169 siab -kub alloy yield zog ntawm 650 degree
GH4169 siab -kub alloy yield zog ntawm 650 degree
GH4169 superalloy (sib npaug rau Inconel 718) khaws lub zog siab ntawm 650 degree, nrog lub zog tensile zoo li ntawm kwv yees li 570 MPa mus txog 800 MPa, nyob ntawm cov txheej txheem kho cua sov. Cov txheej txheem kho cua sov ua kom zoo (homogenization + kev daws teeb meem + kev laus) feem ntau tawm los txawm tias muaj zog dua (kwv yees li 818 MPa) piv rau pristine lossis tus qauv- kho cov qauv (kwv yees li 574-582 MPa).
GH4169 sib npaug li cas?
ib 718
GH4169 (sib npaug rau American hom Inconel 718) yog nag lossis daus-nickel hardening-raws li superalloy dav siv hauv kev lag luam aerospace vim nws cov khoom siv kho tshuab zoo heev (Lu li al., 2014).
1. Tshuaj muaj pes tsawg leeg ntawm GH4169 alloy (%)
| Element | Kev sib xyaw (%) |
|---|---|
| Nickel (Ni) | 50.0 – 55.0 |
| Chromium (Cr) | 17.0 – 21.0 |
| Hlau (Fe) | Tshuav |
| Molybdenum (hli) | 2.8 – 3.3 |
| Niobium (Nb) + Tantalum (Ta) | 4.75 – 5.5 |
| Titanium (Ti) | 0.65 – 1.15 |
| Aluminium (Al) | 0.2 – 0.8 |
| Cobalt (zeeg) | Tsawg dua los yog sib npaug rau 1.0 |
| Manganese (Mn) | Tsawg dua los yog sib npaug li 0.35 |
| Silicon (Si) | Tsawg dua los yog sib npaug li 0.35 |
| Sulfur (S) | Tsawg dua lossis sib npaug li 0.015 |
| Phosphorus (P) | Tsawg dua lossis sib npaug li 0.015 |
| Cov pa roj carbon (C) | Tsawg dua lossis sib npaug li 0.08 |
| Copper (Cu) | Tsawg dua lossis sib npaug li 0.3 |
| Boron (B) | 0.001 – 0.006 |
Nyem rau rub tawm GH4169 alloy PDF ntaub ntawv tam sim no.
2. Lub cev muaj zog ntawm GH4169 alloy
| Khoom | Tus nqi |
|---|---|
| Qhov ntom | 8.19 g / cm³ |
| Melting Point | 1260 - 1320 degree |
| Thermal conductivity | 11.2 W / m·K (ntawm 20 degree) |
| Tshwj xeeb kub muaj peev xwm | 435 J / kg · K (ntawm 20 degree) |
| Hluav taws xob Resistivity | 1.25 µΩ·m (ntawm 20 degree) |
| Coefficient ntawm Thermal Expansion | 13.0 x 10⁻⁶ /℃(20 ~ 100 degree) |
| Young's Modulus | 204 GPA |
| Poisson tus ratio | 0.29 |
3. Kev sib piv ntawm cov khoom siv kho tshuab ntawm GH4169 alloy
Qhov zais cia rau GH4169 qhov kev lag luam ruaj khov nyob hauv nws cov nag lossis daus -hardening microstructure ( ' theem ). Cov qauv no ua kom ntseeg tau tias cov khoom khaws cia nws "rigidity" thiab lub zog txawm tias thaum lwm cov ntaub ntawv tsis tshua muaj zog thiab tsis muaj zog.
GH4169 tensile lub zog thiab cov ntaub ntawv muaj zog (tag nrho cov hnub nyoog):
| Kub (degree /℃F) | Yield zog σp0.2 (MPa) | Tensile zog σb (MPa) | Elongation (%) |
| 20 ° F (68 ° F) | Ntau dua lossis sib npaug li 1030 MPa | Ntau dua lossis sib npaug li 1240 MPa | Ntau dua lossis sib npaug li 12% |
| 650℃(1200℃F) | Ntau dua lossis sib npaug li 1030 MPa | Ntau dua lossis sib npaug li 1000 MPa | Ntau dua lossis sib npaug li 15% |
| 700℃(1292℃F) | Ntau dua lossis sib npaug li 850 MPa | Ntau dua lossis sib npaug li 950 MPa | Ntau dua lossis sib npaug li 18% |
Nyem rau hu rau peb cov kws tshaj lij kom pom zoo rau txoj cai alloy
4. Kev siv siab -lub zog GH4169 alloy
Aerospace Propulsion:Turbine discs, cav shafts, thiab siab - lub zog fasteners.
Gas Turbines:Combustion chamber liners thiab structural bolts.
Nuclear zog:High- lub zog springs thiab cov tswv cuab ntawm cov khoom raug hluav taws xob thiab cua sov.
Roj & Roj:Cov cuab yeej Downhole thiab cov khoom siv lub taub hau zoo xav tauNWS MR0175kev ua raws cai.
5. Vim li cas thiaj xaiv Gnee Steel Tier 1 GH4169 Chaw tsim khoom?
Hauv siab -stakes aerospace thiab nuclear project, "tus nqi qis tshaj" tuaj yeem yog qhov yuam kev kim tshaj plaws. Peb xyuas kom meejQuality Assurancelos ntawm:
VIM + VAR Ob chav Melting:Tshem tawm cov kev suav nrog sab hauv thiab ua kom paub tseeb tias ultra- huv microstructure rau lub neej qaug zog tshaj plaws.
Precision Thaum tshav kub kub kho:Optimized tov thiab ob - kev laus mus txog qhov tseeb1030 MPa yield zogntsuas ntsuas.
MTC 3.1 Traceability:Txhua qhov khoom xa tuaj suav nrog kev ua tiavMill Test Certificatecov ntaub ntawv siab -kub tensile kuaj tau.
Lag luam wholesale Nqe:Peb muabDirect Hoobkas Nqerau bulk aerospace, zog, thiab roj & roj tej yaam num, kom ntseeg tau tias koj qhov project yog ob qho tib si siab - zoo thiabTus nqi- zoo.
Tiv tauj peb tam sim no kom tau txais tus nqi xa tawm tshiab rau GH4169 hauv 2026
FAQ
Q1: Ua li cas GH4169 tswj lub zog siab ntawm 650 degree?
A: Nws yog vim nag lossis daus ′′ (Gamma Ob chav Prime)theem. Cov theem no tshwj xeeb tshaj yog ruaj khov mus txog 650 degree, zoo pinning ciam teb thiab tiv thaiv cov khoom los ntawm softening nyob rau hauv thermal load.
Q2: Puas yog GH4169 zoo ib yam li Inconel 718 hais txog lub zog?
A: Yog lawm.GH4169 yog Suav lub npe rau thoob ntiaj tebInconel 718 (UNS N07718) Cov.. Peb GH4169 yog tsim los hloov pauv thoob ntiaj teb thiab ua tau raws li tag nrho AMS thiab ASTM lub zog xav tau.
Q3: GH4169 puas tuaj yeem siv tshaj 700 degree?
A: Thaum nws tuaj yeem tiv taus qhov kub siab tshaj 700 degree, nws lub zog tawm los pib poob thaum 'theem pib yaj. Rau kev pabcuam siab tshaj 750 degree, peb tuaj yeem pom zoo kom txav mus rauWaspaloylos yoghwv 4145.
Q4: Koj puas muab cov ntawv ceeb toom ntsuas kub siab - nrog rau txhua qhov kev txiav txim?
A: Yog lawm. Raws li kev thov, peb muab cov ntaub ntawv ntsuas kub siab tshwj xeeb (piv txwv li, tensile cov txiaj ntsig ntawm 650 degree) los xyuas kom meej tias cov khoom ua tau raws li koj tus qauv tsim qhov kev nyab xeeb.