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Corrosion kuj ntawmtitaniumthiab titanium alloys hauv cov av chlorine gas

Kev tiv thaiv corrosion ntawm titanium thiab titanium alloys hauv cov pa roj chlorine ntau tshaj li ntawm lwm cov hlau siv. Chlorine muaj zog oxidizing nyhuv. Cov oxide zaj duab xis tuaj yeem tsim nyob rau saum npoo ntawm titanium thiab titanium alloys hauv cov av chlorine los ua lub luag haujlwm tiv thaiv zoo heev (feem ntau hu ua deg passivation), ua titanium hlau nyob rau hauv ib qho chaw ruaj khov nyob rau hauv ib puag ncig chlorine. Txhawm rau kom muaj kev ruaj ntseg ntawm titanium hauv cov roj chlorine, cov roj chlorine yuav tsum muaj cov ntsiab lus noo noo.

Thaum cov kws paub txog corrosion-resistant kawm txog kev sib raug zoo ntawm cov ntsiab lus tseem ceeb ntawm cov dej thiab cov tshuaj chlorine siab, tus nqi ntws, qhov kub thiab lwm yam, cov ntaub ntawv qhia tau hais tias cov ntsiab lus dej tseem ceeb rau titanium passivation hauv chlorine tsis sib haum. Nws feem ntau ntseeg tias ib feem ntau ntawm 0.01% rau 0.05% tuaj yeem Raws li cov dej tseem ceeb ntawm titanium hauv cov roj chlorine, qhov kev paub tiag tiag taw qhia tias nyob rau hauv kev txiav txim. txhawm rau xyuas kom muaj kev nyab xeeb ntawm cov khoom siv titanium hauv cov roj chlorine, qee zaum cov dej loj ntawm 0.6% tsis txaus thiab yuav tsum tau siab li 1.5%.

Cov ntsiab lus tseem ceeb ntawm cov dej kuj tseem nce ntxiv nrog qhov nce ntawm cov tshuaj chlorine thiab qhov txo qis hauv huab cua khiav ceev. Nws kuj tseem muaj feem xyuam rau cov duab thiab qhov loj ntawm cov khoom siv titanium lossis qhov chaw thiab qib ntawm kev puas tsuaj rau titanium nto. Kev xyaum tau pom tias tom qab cov yeeb yaj kiab oxide nto ntawm titanium thiab titanium alloys puas lawm, cov ntsiab lus noo noo ntau dua yuav tsum rov ua dua titanium thiab titanium alloys.

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