Ibyuma bitagira umugese bibiri bifite imiterere ibiri, aho igice cy’ingano ya ferrite na austenite kingana na 50%. Bitewe n’imiterere yabyo ibiri, ibi byuma bihuza imiterere myiza y’ibyuma bitagira umugese bya ferrite na austenite. Muri rusange, imiterere ya ferritic (utubati duto dushingiye ku mubiri) itanga imbaraga nyinshi za mekanike, gukomera neza no kurwanya ingese neza, mu gihe imiterere ya austenite (utubati duto dushingiye ku maso) itanga ubushobozi bwo kugenda neza.
Bitewe n’uko iyi miterere ihuriweho, ibyuma bitagira umugese bibiri bikoreshwa cyane mu nganda zikora peteroli, impumuro y’amazi n’impapuro, mu mazi no mu nganda zikora ingufu. Bishobora kwihanganira ibidukikije bikomeye, kongera igihe cyo gukora no gukora mu bihe bikomeye by’ibidukikije.
Ibikoresho bikomeye bigabanya ubunini n'uburemere bw'igice. Urugero, icyuma kitagira umugese cya super duplex gishobora gutanga imbaraga zikubye gatatu kugeza kuri kane z'umusaruro n'ubudahangarwa bw'imiyoboro y'icyuma kitagira umugese cya 316.
Ibyuma bibiri bitagira umugese bishyirwa mu byiciro bitatu hashingiwe ku gipimo cya chromium (Cr) ya gravimetric n'umubare ungana na PREN:
Kimwe mu bintu by'ingenzi mu gusudira DSS, SDSS, HDSS n'ibyuma byihariye bya alloy stainless ni ukugenzura ibipimo byo gusudira.
Ibisabwa mu gikorwa cyo gusudira mu nganda zikora peteroli bigena PREN ntarengwa isabwa ku byuma bicukura. Urugero, DSS isaba agaciro ka PREN ka 35, mu gihe SDSS isaba agaciro ka PREN ka 40. 1 igaragaza DSS n'icyuma gicukura gihuye nacyo kuri GMAW na GTAW. Nk'uko bisanzwe, ingano ya Cr mu byuma bicukura ihuye n'ingano ya Cr mu byuma by'ibanze. Uburyo bumwe bwo gusuzuma iyo ukoresha GTAW ku mizi n'imiyoboro ishyushye ni ugukoresha ibyuma bicukura cyane. Niba icyuma gicukura kidahuye bitewe n'ikoranabuhanga ribi, icyuma gicukura cyane gishobora gutanga PREN yifuza n'izindi gaciro ku gipimo cyo gucukura.
Urugero, kugira ngo ibi bigaragare, bamwe mu bakora basaba gukoresha insinga zuzuza za SDSS (25% Cr) kuri aloyi zishingiye kuri DSS (22% Cr) n'insinga zuzuza za HDSS (27% Cr) kuri aloyi zishingiye kuri SDSS (25% Cr). Insinga zuzuza za HDSS zishobora kandi gukoreshwa kuri aloyi za HDSS. Iyi duplex ya austenitic-ferritic irimo hafi 65% ​​ferrite, 27% chromium, 6.5% nickel, 5% molybdenum kandi ifatwa nk'aho iri munsi ya 0.015% ya karubone nkeya.
Ugereranyije na SDSS, gupakira HDSS bifite imbaraga nyinshi mu gutanga umusaruro kandi birwanya cyane ingese n’ingufu. Binafite imbaraga nyinshi mu kurwanya ihungabana rya hydrogen kandi birwanya cyane ibidukikije bifite aside nyinshi kurusha SDSS. Ingufu zayo nyinshi bivuze ko ikiguzi cyo kubungabunga kiri hasi mu gukora imiyoboro y’amazi, kuko icyuma gikozwe mu byuma gifite imbaraga zihagije kidasaba isesengura ry’ibintu bito kandi ibipimo byo kwemerwa bishobora kuba bidakomeye cyane.
Bitewe n'ubwoko bwinshi bw'ibikoresho by'ibanze, ibisabwa mu mashini n'imiterere y'imikorere, nyamuneka gisha inama impuguke mu bijyanye no gukoresha ibyuma bya DSS n'ibyuzuza mbere yo gukomeza umushinga wawe utaha.
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