Nickel alloys yog workhorses tsim los "tiv taus kub", thaumtitanium alloys yog lub teeb yuag contenders engineered rau "qhov hnyav txo."
Qhov twg koj xaiv yog nyob ntawm koj qhov kev xav tau tshwj xeeb. Yog tias koj xav tau kev tiv thaiv kev kub ntxhov siab tshaj 600℃thiab kev ntxhov siab heev, nickel alloys (xws li Inconel) yog qhov tsis tuaj yeem hloov tau; Txawm li cas los xij, yog tias koj lub hom phiaj tseem ceeb yog txo qhov hnyav thiab kev ua haujlwm kub qis dua 350 degree, ces titanium alloys (xws li GR5) muaj qhov zoo dua.
|
Dimensions ntawm kev sib piv |
Nickel Alloys (Siv Inconel 718 ua piv txwv) |
Titanium Alloys (Siv Qib 5 ua piv txwv) |
| Core Positioning | Lub zog thiab kub tsis kam nyob rau hauv huab cua | Qhov kawg tsim lub teeb yuag thiab lub zog tshwj xeeb |
| Qhov ntom | pprox. 8.19 g/cm³ (hnyav heev, piv rau stainless hlau) | Kwv yees li . 4.42 g/cm³ (ntau sib dua, txog ib nrab ntawm cov nickel alloy) |
| Ua haujlwm kub | Txog li 760℃lossis siab dua (tuaj yeem tiv taus kub heev rau lub sijhawm luv) | Feem ntau txwv rau ib ncig ntawm 350 degree |
| Cov yam ntxwv muaj zog | Lub zog tsis muaj zog, nrog rau kev ua tau zoo heev khaws cia tshwj xeeb tshaj yog thaum kub kub | Lub zog tshwj xeeb siab heev (lub zog- rau - qhov hnyav piv) |
| Stiffness (Young's modulus) | Kwv yees . 200 GPa (siab dua, deformation tsawg kawg nkaus hauv load) | Kwv yees li . 107–122 GPa (yooj yim dua) |
| Corrosion Resistance | Zoo heev - kub oxidation tsis kam thiab tsis kam mus rau ntau yam tshuaj corrosives | Unparalleled tsis kam rau ntsev tsuag ib puag ncig, suav nrog dej hiav txwv thiab chloride ions |
| Machining nyuaj | nyuaj heev; qhov teeb meem tseem ceeb yog kev ua haujlwm hnyav | nyuaj; Qhov teeb meem tseem ceeb yog cov thermal conductivity tsis zoo, uas ua rau cov cua sov tuaj yeem tsim tau yooj yim ntawm cov cuab yeej txiav |
Nickel Alloys: Lub "Lub Plawv" ntawm High-Tsuas Kub, Siab -Hloov Ib puag ncig
Nickel alloys yog cov neeg ua haujlwm tsis muaj kev sib cav ntawm cov tshuab dav hlau, suav txog kwv yees li 40-50% ntawm lub cav qhov hnyav-tshwj xeeb tshaj yog nyob rau hauv cov combustion chamber thiab turbine seem, uas yuav tsum tiv taus kub tshaj 1,250 degree. Hauv kev lag luam tsheb, lawv feem ntau yog siv rau hauv cov khoom xws li cov pa tawm manifolds thiab turbocharger vaj tsev nyob - uas nyob ze rau lub cav thiab yuav tsum ua kom muaj kev kub ntxhov siab heev - nrog rau cov twj tso kua mis hloov tau hauv siab - kev ua haujlwm tso pa tawm.
Titanium Alloys: "Lub Hnub Qub Lub Teeb" hauv Kev Ua Haujlwm ntawm Kev Ceev
Titanium alloys yog qhov kev xaiv zoo tshaj plaws rau kev txo qhov hnyav hauv kev lag luam aerospace, nrog rau lawv lub zog tsis sib xws - rau - qhov hnyav piv yog lawv qhov txiaj ntsig tseem ceeb. Hauv kev lag luam tsheb, lawv qhov zoo tshaj plaws - cov ntawv thov paub zoo yog siab - cov kav dej ua tau zoo thiab cov mufflers. Piv txwv li, titanium alloy muffler tuaj yeem hnyav li 5-6 kilograms-ntau dua 40% sib dua li stainless hlau versions-thaum muab lub neej kev pab cuam piv rau lub tsheb nws tus kheej.
Nws yog tsim nyog sau cia tias nyob rau hauv sab saum toj -tier kev hloov kho cov kev daws teeb meem rau qee lub supercars (xws li Lamborghini Huracan STO), engineers muab ob yam ntaub ntawv: lub cev tseem ceeb yog crafted los ntawm titanium alloy los txo qhov hnyav, thaum lub flexible bellows -uas yuav tsum tau tiv taus siab vibration thiab thermal qaug zog - yog ua los ntawm high alloy -, uas yog ua los ntawm high-zoo alloy. lub zog thiab kub tsis kam, tsim kom muaj kev sib koom ua ke muaj zog.
E-mail:garychen3215@hotmail.com
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Hu rau: Mr. Gary Chen
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