Aluminium alloy thiab zinc alloy yog ob hom khoom siv hauv kev tsim cov kaus mom naj hoom. Ob qho khoom siv muaj lawv tus kheej zoo thiab cov yam ntxwv uas ua rau lawv haum rau kev siv sib txawv.
Aluminium alloy naj hoom kaus mom paub txog lawv lub teeb yuag thiab kav ntev. Lawv yooj yim rau tshuab thiab tuaj yeem ua kom ntxaws ntxaws los tsim cov qauv sib txawv. Lawv kuj muaj zoo corrosion kuj, ua rau lawv zoo tagnrho rau siv nyob rau hauv ib puag ncig ntub. Ib qho txiaj ntsig tseem ceeb ntawm aluminium alloy naj hoom lub kaus mom yog tias lawv tuaj yeem rov ua dua thiab tuaj yeem rov qab siv rau lwm lub hom phiaj.
Zinc alloy naj hoom kaus mom, ntawm qhov tod tes, paub txog lawv qhov muaj zog thiab ruaj khov. Lawv muaj kev tiv thaiv siab rau kev cuam tshuam thiab yog qhov zoo tagnrho rau kev siv hauv cov tsheb loj lossis kev siv siab. Lawv kuj tuaj yeem raug plated nrog sib txawv tiav kom ua tiav ntau yam xim thiab ntxim nyiam tsim. Zinc alloy naj hoom lub kaus mom kuj muaj kev tiv thaiv corrosion heev, ua rau lawv tsim nyog siv rau hauv qhov chaw ntub dej.
Zuag qhia tag nrho, seb puas yuav xaiv aluminium alloy lossis zinc alloy naj hoom lub kaus mom nyob ntawm cov kev xav tau tshwj xeeb thiab cov kev xav tau ntawm cov chaw tsim khoom. Ob qho khoom siv muaj lawv tus kheej cov khoom tshwj xeeb uas ua rau lawv zoo tagnrho rau kev siv sib txawv. Txawm li cas los xij, nws yog ib qho tseem ceeb los xyuas kom meej tias lub kaus mom naj hoom muaj kev cuam tshuam cov duab ntawm lub npe thiab ntxiv tus nqi rau cov khoom naj hoom.
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