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Oli wano: Ewaka / Blogs . / kiki austenitic intergranular corrosion n'engeri y'okukikendeezaamu .

Austenitic intergranular corrosion kye ki n’engeri y’okugikendeezaamu .

Views: 0     Omuwandiisi: Omuwandiisi w'omukutu Publish Time: 2023-06-29 Ensibuko: Ekibanja

Buuza .

Singa abakola ebintu beetaaga okulongoosa omutindo gwa payipu, olwo okukulukuta wakati w’ebitundu (intergranular corrosion) kizibu ekigenda okuvvuunukibwa mu nkola y’okukola payipu.

Tujja kuzuula n’obwegendereza ekika ky’okwonooneka kw’okukulukuta okutalabika okuyitibwa intergranular corrosion (IGC) okutegeera engeri intergranular corrosion gy’ebaawo n’engeri y’okuzuula n’okukendeeza ku kwonooneka.

Ekirungo kya intergranular corrosion kye ki?

Mu sayansi w’ebintu, okukulukuta kw’amazzi agatali ga bulijjo (IGC), era okumanyiddwa nga intergranular attack (IGA), ngeri ya kukulukuta nga ensalo za kirisitaalo z’ekintu zisinga okukwatibwa okukulukuta okusinga munda. Intergranular corrosion (era emanyiddwa nga weld decay) ekosa ekyuma ekitali kizimbulukuse ku ddaala ly’enzimba era eyinza obutalaga bubonero bulabika obw’okwonooneka okutuusa ng’okukulukuta kugenda mu maaso nnyo. 

Lwaki okukulukuta kw’omubiri (intergranular corrosion) kubaawo.

Mu bufunze, okukulukuta wakati w’ebitundutundu (intergranular corrosion) kutandika okuweta payipu, okulongoosa ebbugumu mu ngeri etali ntuufu, n’okukwatibwa wakati wa 425 ne 870 degrees Celsius. 

Ekyuma mu bbugumu ly’olunyiriri luno bwe kikyuka ku ddaala ly’enzimba. Chromium eri mu aloy ekolagana ne kaboni okukola chromium carbide okumpi n’ensalosalo y’empeke. Okutondebwa kuno okwa kaboni mu bukulu kukyusa ensalosalo mu butoffaali bwa anode. obutundutundu bwa kirisitaalo munda mu butoffaali bwa katodi, era okukulukuta kutandika.

Enkola z’okukendeeza ku kuzimba wakati w’enkwaso) .

Okulongoosa ebbugumu mu ngeri ey’ebbugumu ebiseera ebisinga kuyinza okugonjoola ekizibu, okuzza ensengekera y’ekyuma mu mbeera ey’olubereberye.

Annealing oba quenching nkola nnungi ey’okuzzaawo okwonooneka kw’okukulukuta mu kyuma ekitali kizimbulukuse ekya austenitic.

Enkola eno yabugumya ekyuma okutuuka wakati wa 1060°C ne 1120°C. Bw’omala okubuguma, payipu y’ekyuma ekitali kizimbulukuse efumbirwa, n’etonnya mangu okunyweza empeke n’enzimba. Annealing eno etera okukozesebwa mu kukola payipu eziweweeza ku mutindo gw’amakolero.

Kale twatuuka tutya eyo?

Ebyuma ebinyweza ku layini (Anealing) bisobola okubugumya payipu ekoleddwa mu kyuma ekitali kizimbulukuse 1050°C olwo n’oginyogoza okutuuka ku bbugumu eri wansi wa 100 °C wansi w’obukuumi bwa haidrojeni.Okugaba amasannyalaze ag’ebbugumu ag’okuleeta obutonde obw’omu makkati (intermediate ferquency induction) kye kipya ekisinga DSP+IGBT structure.Ne DSP digital control system, waliwo obukuumi obw’okwefaako n’okwekolako okukebera okutono. ne low-waste features.Inducer eyakolebwa naddala eyakolebwa okusinziira ku bifaananyi by’ekyuma ekitali kizimbulukuse esobola okukekkereza amaanyi 15%-20% okwawukana ku bivaamu ebirala ebya kiraasi y’emu.Okukozesa Hydronzenge nga bwe kiri ku ggaasi buli ddakiika.

Okuyiga ebisingawo, Pleasr genda wano: Amasannyalaze agakozesebwa mu kyuma ekitali kizimbulukuse .

Ebikwatagana Products .

Buli ttanka y’okumaliriza lw’eyiringisibwa, erina okuyita mu nkola y’okulongoosa eddagala. TA Okukakasa nti omulimu gwa payipu y’ekyuma gutuukiriza ebisaanyizo eby’ekikugu. n’okuwa omusingo gw’okukola oba okukozesa oluvannyuma lw’enkola. Bright solution treatment process of ultra-long seamless steel pipe bulijjo ebadde kizibu mu mulimu guno.

Ebyuma by’ekikoomi eby’amasannyalaze eby’ennono binene,ebibikka ekitundu ekinene, bikozesa amaanyi mangi n’okukozesa omukka omunene, n’olwekyo kizibu okutegeera enkola ya solution eyakaayakana. Oluvannyuma lw’emyaka mingi nga bakola nnyo n’okukulaakulana mu ngeri ey’obuyiiya, okukozesa tekinologiya ow’omulembe ow’okufumbisa ow’omulembe n’amasannyalaze ga DSP. Okufuga obulungi ebbugumu ly’ebbugumu okukakasa nti ebbugumu lifugibwa munda mu T2C,okugonjoola ekizibu ky’eby’ekikugu eky’okufuga ebbugumu ly’okufumbisa okutali kutuufu okutali kutuufu. Payipu y'ekyuma ekibuguma enyogozeddwa 'heat conduction'mu tunnel ey'enjawulo eggaddwa nga eggaddwa, ekendeeza nnyo ku ggaasi ekozesebwa era nga esinga kukwata ku butonde bw'ensi.
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