Ọdịdị elu nke usoro nchara igwe anaghị agba nchara na-arụ ọrụ dị oke mkpa na nchekwa nke nri na ọgwụ. Ezi ihu ngwụcha bụ nke nwere ike ịsacha, na-ebelata microbial uto, corrosion na-eguzogide, ma na-ewepu ọla adịghị. Iji meziwanye ogo nke igwe anaghị agba nchara sistemụ, ya bụ, iji meziwanye ọdịdị dị elu na usoro ihe omimi, na iji belata ọnụ ọgụgụ nke usoro, usoro ọgwụgwọ ndị a na-ahụkarị bụ ndị a:
1. Mechanical egweri na polishing (Mechanical egbu maramara) akpọ MP
Mma-egweri elu iji meziwanye ihu igwe nwere ike imeziwanye ọdịdị ihu ala na-enweghị imezi usoro ọdịdị ọdịdị, ike ike, na ọnụ ọgụgụ nke ọkwa.
2. Buffed Polished (Buffed Polished) nke ana akpo BP
Commonlyzọ a na-ejikarị na ụlọ ọrụ igwe anaghị agba nchara iji mee ka ìhè dị n'elu, ọ bụ ezie na uru Ra nwere ike ịdị ezigbo mma, enwere ike ịhụ ọtụtụ mgbawa n'okpuru igwe elektrọn elektrọnik, a na-emewanye ebe dị adị n'ezie, na iche iche ferrite na martensite dị na mpaghara. Ejiri ọtụtụ adịghị ọcha na irighiri abrasion merụọ elu ya.
N'ihi iji ihe mmịfụ, a na-echekwa ọtụtụ ihe ndị na-adịghị ọcha na ndagide ahụ ma jiri nwayọọ nwayọọ hapụ ha n'ime mmiri ahụ, na-emetọ nri.
3. Pickled ma ọ bụ passivated (Pickled & Passivated / Chemically Polished) nke a na-akpọ AP na CP
A na-atụtụ ma ọ bụ kpochapụ ọkpọkọ ahụ n'emeghị ka ike dị elu, ma ọ na-ewepụ ihe fọdụrụ n'elu ma belata ume ike na-enweghị mbenata ọnụ ọgụgụ nke oyi akwa. A na-eme akwa mkpuchi nke passivation nke chromium oxide n’elu igwe anaghị ata nchara iji chebe igwe anaghị ata nchara nchara.
4. Electro Polishing (Electro Polish) zoro aka na EP
Site na ikpochapu nke electrochemical, ihe omuma na ihe omuma enwere ike ime ka ihe di nma karie, enwere ike ibelata ebe di ala. Elu bụ ihe mechiri emechi, nke gbara ọkpụrụkpụ chrome oxide na ike dị nso na ọkwa nkịtị nke alloy yana belata mgbasa ozi.
Iji nweta a zuru okè electropolishing N'ihi, n'ibu polishing ga abrasive polishing.
Ekwesiri ighota na otu Ra uru adighi egosi otu uzo elu.