Kowiri tiramata whakarewa maitaihe kaha anti-corrosion me te anti-oxidation āhuatanga.Ka whakamahia mo te tiaki miihini, te ahumahi, te ahuwhenua, te hanga, me etahi atu. Kowiri tira waea kowiri tira whiriwhiri mata o te kounga teitei o te waea kowiri tira, na roto i te miihini miihini aunoa, te mata o te kupenga hua maeneene, te hanganga totoka, te tapatahi kaha, me te kaha o te waikura.
Te whakamatautau ira waikawa nitric o te kowirimata whakarewa maitai.Ko tetahi ahuatanga rongonui o nga ngongo kowiri tira ko to raatau aukati i te waikura ki te waikawa nitric kukū me te waimeha.Ma tenei taonga ka ngawari te wehewehe mai i te nuinga atu o nga konganuku me nga koranu.Heoi, he waro waro teitei 420 me te 440 maitai kua waikura paku i roto i te whakamatautau ira waikawa nitric, ka waikura tonu nga konganuku kore-ferrous ina tutaki ki te waikawa nitric.Ko te waikawa nitric dilute he kaha te pirau ki te waro maitai.
Ko te whakamatautau i te rumaki waikawa pungatara i roto i te mata waea kowiri tira.I whakamahia tenei whakamatautau ki te wehewehe i te 302 me te 304 mai i te 316 me te 317. Ko te tapa tapahi o te tauira he whenua pai ka ruia ki te waikawa nitric me te 20-30% te kukū rōrahi me te mahana o te 60-66℃mo te horoi me te waatea mo te hawhe haora.Ko te wairewa whakamatautau waikawa pungatara me te kukū rōrahi o te 10% ka whakamahana ki te 71℃.I te wa tuatahi ka uru mai a 302 me 304 ki tenei otinga, ka tere te waikura me te whakaputa tauira me nga waahanga mohio mo te whakataurite tata.I tenei ara, ka taea e te whakamatautau te tika ake.
Te whakamātautau wahi konukura pūkawa mō te kowirimata whakarewa maitai.Ko te whakamātautau ira pūkawa ngāwha konukura te huarahi ngawari me te watea ki te wehe tere i nga tira waro noa mai i nga momo tira kowiri katoa.Ko te kukū o te otinga parahi pūkawa ngāwha whakamahia ko 5 ~ 10%.I mua i te whakamatautau tohu, me tino horoia te waahi whakamatautau i te hinu, i nga momo poke ranei, a me whakakorikori tetahi waahi iti ki te kakahu maeneene, katahi ka whakamahia he pounamu maturuturu hei tuku i te otinga konupora sulfate ki te waahi kua horoia.Ko te rino waro noa, he rino ranei ka hanga he paparanga mata o te parahi i roto i nga hēkona, ko te mata o te kowiri tira karekau e tuku parahi, e whakaatu ana i te tae parahi.
Whakamaoritanga rorohiko whakamaori, mena he hapa tena koa murua.
Wā tuku: 27-05-21