Aug 14, 2025 Tso lus

Qhov sib txawv ntawm Gr2 thiab Gr7 Titanium

1. Muaj pes tsawg

Gr2 (cov lag luam ntshiab Titanium, CP TI Qib 2): Nws yog unalloyed titanium, muaj ntawm ntau tshaj 99% ntshiab titanium nrog cov kab ntsaum minimen (piv txwv li, oxygen, cov pa roj carbon, nitrogen, hlau). Cov tswj hwm cov theem qis ntawm cov ntsiab lus no pab rau nws cov khoom tshwj xeeb.

Gr7 (Titanium Alloy Ti-0.2pd): Nws yog lub titanium alloy muaj kwv yees li 0.2% palladium (PD) raws li ib qho kev sib sau ua ke, nrog cov seem uas muaj pes tsawg tus neeg siab tshaj plaws- purity titanium. Palladium ntxiv ntxiv rau txhim kho corrosion tsis kam, tshwj xeeb tshaj yog hauv kev txo ib puag ncig.

2. Cov Khoom Siv Neeg Kho Tshuab

Ntiag tug Gr2 (CP TI) Gr7 (Ti-0.2pd)
Lub zog tensile ~ 345 MPa (Annealed) ~ 379 MPa (Annealed)
Paib lub zog ~ 275 MPa (Annealed) ~ 310 MPa (Annealed)
Elongation (hauv 50 hli) ~20-25% ~20%
Kev nyuaj Qis dua (piv txwv li, ~ 110-150 hv) Ib nyuag siab dua (piv txwv li, ~ 130-160 hv)
Gr7, vim ntxiv rau ntxiv ntawm Palladium, muaj marginally lub zog siab dua thiab hardness piv rau Gr2, thaum tswj hwm kev ua siab zoo.

3. Corrosion Kuj

Gr2: Nws nthuav tawm zoo heev corrosion tsis zoo nyob rau hauv oxidizing ib puag ncig (piv txwv li dej, nitric acid) vim yog tsim ntawm cov kev tiv thaiv titanium dioxide (tio₂) oxide txheej. Txawm li cas los xij, nws txoj kev tiv taus tsawg tsawg rau hauv qhov chaw txo qis (piv txwv li, kub sulfuric acid, hydrochloric acid) qhov twg cov txheej oxide tuaj yeem yaj.

Gr7: Ntxiv ntawm palladium tseem txhim kho nws corrosion tsis kam, tshwj xeeb hauv kev txo qis lossis ib puag ncig hnyav. Palladium ua raws li Cathodic Stabilizer, tiv thaiv kev puas tsuaj ntawm Oxide Txheej hauv tej yam uas Grafode. Nws ua tau zoo nyob rau hauv cov acids zoo li sulfuric acid, thiab cosphoric acid, thiab cosphoric acid, thiab cosphoric acid, thiab cumphoride {3} muaj rau kev ua yeeb yam thiab cov ntawv thov marine.

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4. Cov Ntawv Thov

Gr2:

Kev Kho Mob: Kev Cuam Tshuam Hniav, Cov Khoom Siv Kho Hniav, thiab tsis yog {} bearing {} bearing eceopedic cuab yeej (ua tsaug rau nws biocompatibility thiab ductility).

Tshuaj lom neeg: Tsawg {{- Kev ntxhov siab ntawm cov me corrosive ib puag ncig (piv txwv li, tso tsheb hlau luam, tso tsheb hlau luam rau dilute acids).

Aerospace: tsis {- cov txheej txheem uas yuav tsum tau ua (piv txwv li cov ntawv hlau).

Gr7:

Tshuaj lom neeg thiab cov petrochemical: cov kav dej, li qub, kev sib pauv cua sov, thiab tso tsheb hlau luam thiab tso pa tawm (xws li sulfuric acid, chloride).

Marine Engineering: Cov khoom siv dej hiav txwv lossis ntsev tshuaj tsuag (vim kom kho kom haum corrosion).

Desalination nroj tsuag: qhov chaw hauv kev sib cuag nrog brine lossis qab ntsev.

Gr2 yog ib qib titanium muaj txiaj ntsig rau nws cov kev formability, biocompatibility, thiab moderate corrosion tsis kam nyob rau hauv oxidizing ib puag ncig. Gr7, raws li ib tug palladium -} Tshaj tawm lub zog tsis kam ua rau ib puag ncig muaj kuab lom thiab me ntsis uas muaj kev tawm tsam hnyav yog qhov tseem ceeb.
 

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