Austenitic stainless steel, i n’a fɔ a tɔgɔ b’a jira cogo min na, a jɔcogo ye ɔsitɛni ye, wa austenitic stainless steel ka funteni furakɛli nafa ka bon kosɛbɛ, bawo austenitic stainless steel baara nafama ye corrosion resistance ye, funteni furakɛli cogo bɛnbali bɛna dɔgɔya kosɛbɛ, nin barokun in bɛ fɔ i ma kosɛbɛ ko austenitic stainless steel.
Austenitic inox ye nɛgɛ ye min bɛ sɔrɔ tuma bɛɛ (18-8 nɛgɛ). Misali la, tabali caman bɛ sɔrɔ dumunikɛyɔrɔ la, olu dilannen don ni nɛgɛ ye min tɛ sɔgɔ. Austenitic inox, i n’a fɔ a tɔgɔ b’a jira cogo min na, o ye ɔsitɛni ye, min tɛ magɛnni ye, wa a tɛ gɛlɛya.
Austenitic inoless steel bɛ ni sɔgɔli fanga ye kosɛbɛ oksidan sigida la. O sigida min bɛ wele ko oksidan, o bɛ se ka faamuya dɔrɔn i n’a fɔ sigida min kɔnɔ ɔkisizɛni caman bɛ sɔrɔ. Autenitic inoless steel bɛ gɛlɛya ɲuman sɔrɔ wa a baara ka nɔgɔn ani a dilanni, o la a bɛ kɛ ka caya.
Austenitic inox bɛ kɛ ka caya ka ɲɛsin fɛnw sɔgɔli ma, wa funteni furakɛli bɛ nɔba bila a la. Austenitic stainless steels ka sɔgɔli ni asidi resistance bɛ bɔ kɛrɛnkɛrɛnnenya la surface passivation de la. Ni surface passivation tɛ se ka mara, a bɛna kɛ corrode ye. O la, autenitic inox tɛ inox ye pewu, a bɛ kɛ dɔrɔn oksidan ni asidɔni sigidaw la. Iyɔn kɛrɛnkɛrɛnnenw kama, a tɛ se ka kɛlɛ barikama kɛ. Austenitic inoless nɛgɛ furakɛli funteni bɛ nɔ bila kɛrɛnkɛrɛnnenya la dugukolo sanfɛla la, o la, a bɛ nɔ bila a ka sɔgɔli baara la.
Nɔnɔmugu kelen ye nɔgɔ ye min ka ca kosɛbɛ, wa a sɔgɔli kelen bɛ bɔ chrome fɛnw tilatilali kelen na. Funteni furakɛli bɛ nɔ bila chrome fɛnw tilatilali la, o min bɛ nɔ bila autenitic stainless steel ka sɔgɔli kelen na cogo kelen na.
Intergranular corrosion fana ye fɛn nafama dɔ ye min bɛ kɛ ka austenitic inox jateminɛ. A ka c’a la, ni austenitic stainless steel bɛ sɛgɛn ani ka karbidi caman sɔrɔ minnu bɛ kɛ ni biɲɛ ye, olu bɛ teliya suman dancɛ la, fɛnɲɛnamafagalanw ni ɲɔgɔn cɛ sɔgɔli baara bɛna dɔgɔya kosɛbɛ. Ni autenitic stainless steel bɛ sɛgɛn, intergranular corrosion jugu bɛna kɛ hali ni kuran bɛ yɔrɔ min na kosɛbɛ.
Intergranular corrosion cracking .
Stress corrosion cracking ye dɛsɛ suguya ye min ka teli ka kɛ nɛgɛ ye min tɛ sɔgɔ. A ka kan ka fɔ ko degunw sɔgɔli bɛ bɔ fɛnba fila de la: fɔlɔ, degun ka kan ka sɔrɔ, o bɛ se ka kɛ kɛnɛma degun walima degun tolen ye; Filanan, stress corrosion cracking sensitive ions, i n’a fɔ halojeni element ionw, kɛrɛnkɛrɛnnenya la kulori ionw de ka ca. Yɔrɔ min na, nɛgɛ min bɛ kɛ ni nɛgɛ ye, o bɛ kɛ ni nɛgɛ ye, a ka teli ka degun muɲu, o la, jateminɛ kɛrɛnkɛrɛnnen ka kan ka kɛ degun tolenw na, o bɛ se ka degunw sɔgɔli karila kari sigida la, kulori ionw bɛ min kɔnɔ. Degun tolenw bɔcogo ye degunw kunbɛnni ye.
Austenitic inox stress corrosion cracking .
Pitting corrosion ye fɛn ye min bɛ siran kosɛbɛ. Ni an b’a fɔ ko a ye fɛn ye min bɛ siran kosɛbɛ, a bɛnnen don ka nin gɛlɛya in ɲɛfɔ ni kuma kɔrɔ dɔ ye: 'Mili ba kelen ka bajida bɛ bin wulu ka kɔnɔw kɔnɔ Kunba fila bɛ yen minnu b’a to pitting corrosion: a fɔlɔ, a fɛnw cogoya tɛ kelen ye, i n’a fɔ sensitization, austenitic inoless steel bɛ kɛrɛnkɛrɛnnenya la ka sɔgɔli kɛ Filanan, sigida laminikogow hakɛ tɛ kelen ye, o fana bɛ kɛ sababu ye ka pitting corrosion reason sɔrɔ. Ni pitting corrosion (boli) kɛra, sigida ka passivation (passivation) filimu bɛ tiɲɛ, o la, ɲɔgɔndan bɛna kɛ active (walekɛbaliya) ni active (passivation) jamana fila cɛ. Ni pasisi tɛ se ka kɛ, pitting corrosion bɛ to sen na fo a yɔrɔ in ka perforated.
Austenitic inox pitting corrosion .
Austenitic inox tɛ fɛn ye min bɛ se ka fɛn caman tigɛli kɛ ka bɔ so funteni na ka se funteni caman ma. Funteni furakɛli kun ye ka karbidi minnu bɛ Bɔ baarakɛtuma na ka Dòn matiriyali la, olu Labɔ, o la, fɛnw tilatilali fɛnw tilatilali bɛ Kɛ kelen ye. Austenitic inoless nɛgɛ bɛ sumaya fo ka se funteni caman ma walasa ka karbidiw wuli ka don matiriyali kɔnɔ, ka sɔrɔ ka nɛnɛ teliya la fo ka se so funteni ma. O kɛcogo in na, nɛgɛ min bɛ kɛ ni nɛgɛ ye, o tɛna gɛlɛya, bawo fasa jiginni tɛ yen, wa austenitic state bɛ to so funteni na. O kɛcogo in bɛ Weele ko furakɛli furakɛli. Fɛnɲɛnɛma furakɛli la, nɛnɛ teliya kun ye dɔrɔn ka karɔbɔli atomuw ni fɛnɲɛnamafagalanw tilatilali kɛ kelen ye.
Austenitic inox furakɛli furakɛli senfɛ, ni nɛnɛ hakɛ bɛ sumaya kojugu, ni funteni bɛ dɔgɔya, karɔbɔli atomu ka wulicogo matiriyali kɔnɔ, o bɛ dɔgɔya, wa karɔti bɛna jigin. ani kabon atomuw faralen don ɲɔgɔn kan kɛrɛnkɛrɛnnenya la ni chromium ye ka M23C6 karbidiw dilan, minnu bɛ tila suman dancɛw kan, wa chromium dɔgɔyali ko bɛ kɛ suman dancɛw la, o bɛ na ni sɛgɛsɛgɛli ye. Austenitic inox (austenitic stainless steel) sɛgɛsɛgɛli kɔfɛ, a ka kan ka sumaya degere 850 sanfɛ, wa karbidiw bɛna kɛ fura sabatilen ye nin waati in na. O kɔfɛ, nɛnɛ teliya bɛ se ka sensibilisi gɛlɛya ɲɛnabɔ. Walasa ka ladamu ni ɔsitɛni kɛrɛnkɛrɛnnen ye, . Hangao Tech (Seko Machinery) ye ɲɛtaa kɛ a daminɛ na . intɛrinɛti kan funteni marali induction heating bright annealing foro . Walasa ka karɔbɔli sanji ni nɛnɛ teliya kɔlɔsi, nɛnɛ yɔrɔ bɛ baara kɛ ni tunɛri ye min bɛ nɛnɛ ni fiɲɛ ye. Fɛnw falen-falen min bɛ sɔrɔ grafite nɛnɛ jakite ni grafite nɛnɛ tunɛri ni nɛgɛ pipe cɛ, o bɛ dɔgɔya, wa pipe dafalen ka ɲumanya n’a baarakɛcogo bɛ ɲɛ kosɛbɛ.
Ni gɛlɛya dɔw bɛ aw la ka ɲɛsin austenitic inox tubes (austenitic stainless steel tubes) ma, aw bɛ se ka anw sɔrɔ walasa ka ladilikan caman sɔrɔ ani ka faamuyali sɔrɔ.
