Plasma Na-ewulite Welding Corrosion Resistant Alloys

PlasmaMee elu ịgbado ọkụ, dị ka otu n'ime elu na-ewusi teknụzụ, nwere uru nke surfacing dị iche iche alloy ntụ ntụ ihe, ok surfacing oyi akwa, ala dilution, elu mmepụta arụmọrụ, obere oriri nke alloy ihe, na ọnụ ala.N'elu ya bụ ihe na-eguzogide corrosion, na-eguzogide ọgwụ, Mmụba nke nguzogide okpomọkụ dị elu adọtarakwu uche.

Ka ọ dị ugbu a, a na-ejikarị ntụ ntụ sitere na ígwè, nickel na cobalt eme ihe maka plasma.buildup ịgbado ọkụ.ntụ ntụ ntụ ntụ na-adabere na ígwè nwere ezigbo nguzogide iyi na ọnụ ala dị ala, mana nguzogide okpomọkụ na-adịghị mma na nguzogide corrosion.Ngwunye alloy nke sitere na nickel na cobalt nwere ezigbo nguzogide corrosion na arụmọrụ dị elu, mana ọnụ ahịa ya dị oke elu.N'iji plasma arc iji tinye ntụ ntụ ntụ ntụ ntụ onwe onye na-eme ka ígwè, nickel-based self-fluxing alloy powder and nickel based alloy gbakwunyere wc composite powder n'elu 16mn ígwè, site na-eyi ule na mgbasa ozi corrosive dị iche iche, mmetụta nke atọ. A mụrụ ụdị elu elu dị iche iche Microstructure, nhazi usoro, isi ike na nguzogide eyi.

Mmetụta nke mgbasa ozi na-emebi emebi dị iche iche na nguzogide eyi nke otu alloy surfacing oyi akwa dịkwa iche.Nkwụsị na-eyi nke oyi akwa na-anọpụ iche na-anọpụ iche aqueous dị mma karịa nke acidic na alkaline ọkara.Nke a bụ n'ihi na otu uwe na-arụ ọrụ na mmiri.Na dilute HCl ngwọta na dilute NaOH ngwọta, a na-emepụta micro-batrị n'etiti ogige na ngwọta siri ike, na e nwere mmekọrịta n'etiti wear na electrochemical corrosion, nke mere na n'elu elu oyi akwa dị na dilute HCl ngwọta.Na mgbochi iyi na dilute NaOH ngwọta na-ebelata n'ihi mmetụta nke nguzogide corrosion.

N'iji atụnyere iyi nguzogide nke oyi akwa na-atụgharị na HCl na dilute NaOH media, a na-achọpụta na ihe mgbochi na-eyi na-eguzogide ọgwụ HCl adịghị mma, n'ihi na oyi akwa nwere ike ịmepụta ihe nkiri passivation na dilute HCl na itughari NaOH ọkara, Otú ọ dị, na passivation film na itughari HCl dị mfe na-akawanye njọ, na passivation film na itughari NaOH ọkara na-adịghị mfe mebiri emebi, otú ahụ na-eyi nguzogide nke surfacing oyi akwa na itughari NaOH ọkara dị mma karịa na itughari HCl acid..

Isi ike nke oyi akwa mkpuchi elu Ni60 yiri nke Fe55.Nguzogide iyi nke Ni60 surfacing oyi akwa na itughari hydrochloric acid ngwọta na itughari NaOH ngwọta dị mma karịa nke Fe55, ma nke ọzọ bụ eziokwu na-anọpụ iche mmiri.Maka oyi akwa nke otu alloy ahụ, ihe mgbochi na-eyi na gburugburu ebe obibi na-emebi emebi nke ngwọta HCl na-atụgharị na ngwọta NaOH dị ala karịa nke ahụ na mmiri na-anọpụ iche, na mbelata na-apụta ìhè na ala acidic.