Dab tsi yog qhov txawv ntawm Hastelloy C276 thiab titanium alloys?
Dab tsi yog qhov txawv ntawm Hastelloy C276 thiab titanium alloys?
Hastelloy C276 (nickel alloy) ua tau zoo tshwj xeeb hauv kev txo qis / sib xyaw cov kua qaub, cov tshuaj chloride siab, thiab cov tshuaj chlorine ntub dej, nthuav tawm dav corrosion kuj; thaum titanium alloys (xws li Qib 2 titanium) ua tau zoo dua hauv oxidizing media, organic acids, kub brine, thiab cov roj chlorine ntub dej (ntawm qhov kub siab), muaj lub zog siab - rau - hnyav piv thiab zoo heev tiv thaiv dej hiav txwv corrosion. C276 yog qhov tsim nyog rau kev txo qis ib puag ncig, thaum titanium alloys ua tau zoo dua hauv ntau cov oxidizing / chlorine- muaj ib puag ncig. Yog li, qhov kev xaiv ntawm cov khoom nyob ntawm seb cov tshuaj ib puag ncig, pH nqi, thiab tej yam kev mob.
Lwm lub npe rau hastelloy c276 yog dab tsi?
Nickel alloy C-276, Hastelloy C-276. Hastelloy C-276 (tseem muag hauv lub npe Nickel alloy C-276) yog nickel-molybdenum-chromium wrought alloy.
Hastelloy C276 yog dab tsi?
Hastelloy C276 yog npib tsib xee -chromium- molybdenum alloy paub txog nws qhov tshwj xeeb corrosion kuj. Cov hlau no tshwj xeeb tsim los tiv thaiv kev tawm tsam los ntawm ntau yam kev tawm tsam corrosive, nrog rau oxidizing acids, txo cov kua qaub, thiab ntau yam ntsev daws. Nws superior corrosion kuj yog vim muaj molybdenum thiab chromium, uas tsim ib tug tiv thaiv oxide zaj duab xis nyob rau hauv lub alloy nto. Tsis tas li ntawd, Hastelloy C276 nthuav tawm zoo heev tiv thaiv kev ntxhov siab corrosion thiab crevice corrosion, ua rau nws yog ib qho kev xaiv txhim khu kev qha hauv cov cheeb tsam hnyav.
Dab tsi yog titanium alloy?
Ntawm qhov tod tes, titanium yog lub teeb yuag, siab -lub zog, thiab corrosion- hlau tiv taus. Nws cov khoom tshwj xeeb yog los ntawm nws qhov siab melting point, zoo heev mechanical zog, thiab muaj peev xwm tsim oxides ruaj khov. Titanium muaj zog corrosion kuj nyob rau hauv seawater, chlorine gas, thiab ntau lwm yam corrosive ib puag ncig. Nws lub zog-rau- qhov hnyav piv yog qhov zoo dua rau ntau lwm yam hlau, ua rau nws yog ib qho khoom siv zoo tshaj plaws rau qhov hnyav- cov ntaub ntawv rhiab heev xws li aerospace Cheebtsam.
Tshuaj muaj pes tsawg leeg: Hastelloy C-276 vs Titanium Alloys
| Element | Hastelloy C-276 (UNS N10276) Cov ntsiab lus (%) | Titanium Qib 2 (CP Ti) Cov ntsiab lus (%) | Titanium Qib 5 (Ti-6Al-4V) Cov ntsiab lus (%) | Titanium Qib 7 (Ti-0.15Pd) Cov ntsiab lus (%) |
|---|---|---|---|---|
| Nickel | 57.0 min (Sib npaug) | - | - | - |
| Molybdenum | 15.0 - 17.0 | - | - | - |
| Chromium | 14.5 - 16.5 | - | - | - |
| Hlau | 4.0 - 7.0 | Tsawg dua los yog sib npaug li 0.30 | Tsawg dua lossis sib npaug li 0.40 | Tsawg dua los yog sib npaug li 0.30 |
| Tungsten | 3.0 - 4.5 | - | - | - |
| Cobalt | Tsawg dua lossis sib npaug li 2.5 | - | - | - |
| Vanadium | Tsawg dua los yog sib npaug li 0.35 | - | 3.5 - 4.5 | - |
| Aluminium | - | - | 5.5 - 6.75 | - |
| Titanium | - | 99.2 min (Sib npaug) | 88.1 - 90.9 (Sib npaug) | 99.0 min (Sib npaug) |
| Palladium | - | - | - | 0.12 - 0.25 |
| Cov pa roj carbon | Tsawg dua lossis sib npaug li 0.01 | Tsawg dua lossis sib npaug li 0.10 | Tsawg dua lossis sib npaug li 0.08 | Tsawg dua lossis sib npaug li 0.10 |
| Nitrogen | Tsawg dua lossis sib npaug li 0.02 | Tsawg dua los yog sib npaug li 0.03 | Tsawg dua los yog sib npaug li 0.05 | Tsawg dua los yog sib npaug li 0.03 |
| Hydrogen | - | Tsawg dua lossis sib npaug li 0.015 | Tsawg dua lossis sib npaug li 0.015 | Tsawg dua lossis sib npaug li 0.015 |
| Oxygen | - | Tsawg dua lossis sib npaug li 0.25 | Tsawg dua los yog sib npaug li 0.20 | Tsawg dua lossis sib npaug li 0.25 |
| Manganese | Tsawg dua los yog sib npaug rau 1.0 | - | - | - |
| Silicon | Tsawg dua lossis sib npaug li 0.08 | - | - | - |
| Phosphorus | Tsawg dua lossis sib npaug li 0.04 | - | - | - |
| Sulfur | Tsawg dua los yog sib npaug li 0.03 | - | - | - |
| Lwm yam uas seem | - | Tsawg dua los yog sib npaug li 0.4 | Tsawg dua los yog sib npaug li 0.4 | Tsawg dua los yog sib npaug li 0.4 |
Mechanical Properties: Hastelloy C-276 vs Titanium Alloys
| Khoom | Hastelloy C-276 (Annealed) | Titanium Qib 2 (Annealed) | Titanium Qib 5 (Ti-6Al-4V, Annealed) | Titanium Qib 7 (Ti-0.15Pd, Annealed) |
|---|---|---|---|---|
| Tensile Strength, Qhov kawg | 690 MPa (100 ksi) | 345 MPa (50 ksi) | 895 MPa (130 ksi) | 345 MPa (50 ksi) |
| Tensile zog, tawm los (0.2% Offset) | 283 MPa (41 ksi) | 275 MPa (40 ksi) | 828 MPa (120 ksi) | 275 MPa (40 ksi) |
| Elongation ntawm Break | 40% (hauv 50 mm) | 20% (hauv 50 mm) | 10% (hauv 50mm) | 20% (hauv 50 mm) |
| Kev txo qis ntawm cheeb tsam | 50% | 30% | 25% | 30% |
| Hardness, Rockwell B / C | 87 PAB | 80 PAB | 36 HRC | 80 PAB |
| Hardness, Brinell | 190 HB | 120 HB | 350 HB | 120 HB |
Hastelloy C276 vs. Titanium Alloys - Corrosion Resistance
Hastelloy C276 ua tau zoo tshwj xeeb hauv ib puag ncig uas muaj cov kua qaub muaj zog thiab oxidizing cov neeg ua haujlwm. Nws cov kev tiv thaiv corrosion yog tshwj xeeb tshaj yog nyob rau hauv hydrochloric acid, sulfuric acid, thiab phosphoric acid, ua rau nws nyiam cov khoom siv rau cov khoom siv tshuaj thiab kev tswj cov pa phem. Titanium alloys, ntawm qhov tod tes, paub txog lawv qhov zoo tshaj plaws corrosion kuj nyob rau hauv seawater thiab lwm yam chloride -muaj ib puag ncig. Vim lawv muaj peev xwm tiv taus cov corrosive los ntawm cov dej ntsev, lawv tau siv dav hauv kev siv dej hiav txwv xws li nkoj tsim thiab cov khoom siv hauv ntug dej hiav txwv.
Hastelloy C276 vs. Titanium Alloys - Mechanical Properties
Hastelloy C276 pom zoo ductility thiab toughness, tso cai rau nws tiv taus deformation thiab cuam tshuam yam tsis muaj fracturing. Nws kuj ua rau pom kev qaug zog zoo heev, ua rau nws haum rau dynamic loading tej yam kev mob. Titanium alloys muaj lub zog siab thiab qhov ntom ntom, ua rau lub zog zoo dua - rau - qhov hnyav piv. Cov yam ntxwv no yog qhov tseem ceeb hauv kev siv aerospace, qhov uas txo qhov hnyav yog qhov tseem ceeb rau kev txhim kho roj efficiency thiab kev ua haujlwm.
Hastelloy C276 vs. Titanium Alloys - Kub Resistance
Hastelloy C276 tuav nws cov kev tiv thaiv corrosion thiab txhua yam khoom ntawm qhov kub thiab txias, ua rau nws haum rau siab -cov ntawv siv kub xws li cov khoom siv hluav taws xob thiab cov khoom siv hluav taws xob. Titanium alloys kuj tuaj yeem tiv taus qhov kub thiab txias, tab sis lawv cov oxidation kuj yog qis dua rau Hastelloy C276 hauv qee qhov chaw oxidizing.
Hastelloy C276 vs. Titanium Alloys - Nqi thiab Muaj
Titanium alloys kuj tsis tshua muaj thiab kim los tsim, txwv lawv cov ntawv thov rau qhov tshwj xeeb siab - qhov chaw muaj nqis. Hastelloy C276, thaum tsis zoo ib yam li lwm cov alloys, muaj ntau dua thiab nws cov nqi tswj tau ntau dua, ua rau nws tsim nyog rau ntau yam kev siv.
Hastelloy C276 vs. Titanium Alloys - Daim ntawv thov
Cov ntawv thov ntawm Hastelloy C276 thiab titanium alloys sib tshooj hauv qee qhov chaw, tab sis kuj tseem muaj qhov sib txawv. Vim nws cov corrosion kuj zoo heev nyob rau hauv acidic thiab oxidizing ib puag ncig, Hastelloy C276 yog ib qho kev xaiv rau cov khoom siv tshuaj, kev tswj cov pa phem, thiab cov khoom siv roj thiab roj. Titanium alloys, ntawm qhov tod tes, yog siv dav hauv marine daim ntaub ntawv, aerospace Cheebtsam, thiab kev kho mob implants vim lawv corrosion kuj nyob rau hauv chloride -muaj ib puag ncig, siab zog- rau - luj piv, thiab biocompatibility.
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