Q460NH yog ib lub siab- lub zog huab cua, tsis yog cov kws tshaj lij marine- qib corrosion- cov hlau tsis muaj zog.Its corrosion resistance relies on forming a dense protective patina in ordinary atmospheric environments, but this patina is easily damaged by chloride ions from seawater and salt spray, so its application in marine environments is strictly limited.
Nws tuaj yeem siv tau nyab xeeb hauv thaj chaw me me marine atmospheric, feem ntau2 mus rau 3 mais los yog deb ntawm ntug dej hiav txwv, qhov twg ntsev pos huab concentration tsawg, thiab saum npoo tuaj yeem tswj tau qhov cua txaus thiab tsis tu ncua ntub - voj voog qhuav. Nyob rau hauv ib puag ncig zoo li no, Q460NH tseem tuaj yeem tsim cov patina ruaj khov, thiab nws cov kev tiv thaiv corrosion yog qhov zoo dua li cov pa roj carbon zoo tib yam, ua rau nws tsim nyog rau saum toj no - lawj qauv thiab av- raws ntug hiav txwv chaw.
Nws tsis pom zoo siv rau hauv qhov hnyav marine ib puag ncig, suav nrog thaj chaw ntug hiav txwv dej, thaj chaw hloov pauv hloov pauv, thaj chaw hauv 1 mais ntawm hiav txwv nrog cov ntsev ntsev hnyav, thiab txhua qhov chaw nquag ntub dej lossis txaws los ntawm dej hiav txwv. Nyob rau hauv cov xwm txheej no, chloride ions txuas ntxiv nkag mus thiab rhuav tshem cov patina, uas ua rau kom nrawm nrawm, pitting hnyav, thiab txawm tias cov qauv kev puas tsuaj nyob rau lub sijhawm.
Yog tias Q460NH yuav tsum tau muab tso rau hauv ze ntawm - thaj chaw ntug hiav txwv dej, qhov ua tiav hnyav -lub luag haujlwm tiv thaiv- txheej txheej txheej txheej yog qhov tseem ceeb, xws li epoxy primer ua ke nrog polyurethane topcoat. Lub caij no, tus qauv tsim yuav tsum zam qhov tsis sib xws, cov dej sib xyaw ua ke, thiab cov ntsev ntsev kom muaj lub sijhawm ntev -.
Nyob rau hauv tsis muaj qhov xwm txheej yuav tsum Q460NH siv nyob rau hauv submerged los yog txaws zones yam tsis muaj kev tiv thaiv zoo, vim hais tias ib zaug lub patina ua tsis tiav, nws tus nqi corrosion yuav nyob ze ntawm cov pa roj carbon zoo tib yam thiab tsis tuaj yeem ua tau raws li kev nyab xeeb thiab kev pabcuam lub neej ntawm marine engineering.
