Ụzọ nchacha maka flanges ígwè biphasic

1. E nwere ụzọ anọ polishing nke bi-phaseflange ígwè: ntuziaka, n'ibu, chemical na electrochemical. The corrosion eguzogide na mma nkeflangeenwere ike imeziwanye ya site na polishing. Mmiri igwe anaghị agba nchara eletrik dị adị ka na-eji phosphoric acid na chromic anhydride. N'ime usoro ịchacha na ihicha, a ga-ahapụ ụfọdụ chromium na phosphorus n'ime mmiri mkpofu, na-ebute mmetọ na gburugburu ebe obibi.
https://www.shdhforging.com/lap-joint-forged-flange.html
2. A ga-emepụta ihe nkiri passivation n'elu duplexflange ígwè, na ihe nkiri oxide ga-amalite ịgbaze. N'ihi na elu microstructure nke duplexflange ígwèadịghị agbanwe agbanwe, akụkụ dị ntakịrị convex nke elu ka a na-agbaze nke ọma, ọnụego mgbasa ga-adị elu karịa nke akụkụ concave. Mgbasa na nhazi nke akpụkpọ ahụ fọrọ nke nta ka ọ bụrụ n'otu oge ahụ, mana ọsọ ha dị iche iche. N'ihi ya, a na-ebelata ịdị elu nke nchara ígwè bi-phase flange, na-eme ka ọ dị mma, na-egbuke egbuke.
3. Ụfọdụ ntụpọ dị n'elu dị ka pores elu na scratches nwere ike jupụta site na polishing, ka ọ dị mma ka ike ọgwụgwụ na ike ọgwụgwụ na-emetụta ya. Igwe anaghị agba nchara biphase nwere ihe karịrị okpukpu abụọ ike mkpụrụ nke austenitic igwe anaghị agba nchara, ma nwee plasticity zuru oke na ike siri ike achọrọ maka ịkpụzi a, yana oke nrụgide corrosion mgbawa mgbawa, ọkachasị na gburugburu chloride.


Oge nzipu: Ọktoba 14-2022

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