1. Tupu nchara mwepụ nkeoyi adọta ígwè ọkpọkọ, a ga-ebu ụzọ wepụ unyi dị iche iche a na-ahụ anya n'elu, mgbe ahụ, a ga-eji ihe mgbaze ma ọ bụ ihe nhicha mee ihe iji wepụ mmanụ.
2. Jiri shọvel nchara tungsten wepụ nnukwu ebe nchara.
3. Jiri scraper na waya ahịhịa wepụ nchara si n'akụkụ na n'akụkụ nke ígwè ọkpọkọ.
4. Jiri faịlụ wepụ protrusions dị ka welding slag na dị iche iche burrs si ígwè ọkpọkọ.
5. A ga-eji akwa ájá na ahịhịa waya kpochaa ọkpọkọ ígwè oyi adọta.
(1) Steel pipe carbon steel mmetọ: scratches kpatara site na kọntaktị na carbon steel akụkụ na-etolite Batrị mbụ na corrosion media, na-ebute electrochemical corrosion.
(2) Ịcha ọkpọkọ nchara na-adọkpụ oyi: mgbakwunye nke ihe ndị na-esi nchara nchara dị ka igbutu slag na spatter na nhazi nke batrị Primary na ihe na-emebi emebi ga-eme ka corrosion electrochemical.
(3) Ndozi achịcha: ihe mejupụtara na nhazi metallographic nke mpaghara ọkụ ọkụ na-agbanwe n'ụzọ na-ezighi ezi, na-akpụ batrị nke mbụ na ihe mgbochi corrosion, na-ebute corrosion electrochemical.
(4) ígwè ọkpọkọ ịgbado ọkụ: na anụ ahụ ntụpọ (undercut, pore, mgbape, ezughị ezu fusion, ezughị ezu penetration, wdg) na chemical ntụpọ (isi kemikal ọka, ogbenye chromium na ọka ókè, segregation, wdg) na ịgbado ọkụ ebe na-etolite Primary. batrị nwere ihe nrụrụ aka iji mepụta corrosion electrochemical.
(5) Ihe onwunwe: ntụpọ kemịkalụ (na-adaghị adaba mejupụtara, S, P adịghị ọcha, wdg) na n'elu anụ ahụ ntụpọ (looseness, ájá oghere, cracks, wdg) nke ígwè ọkpọkọ na-eme ka akpụ Primary batrị na corrosion media na-amụba. electrochemical corrosion.
(6) Passivation: Ogbenye acid pickling passivation na-ebute ihe nkiri passivation na-enweghị isi ma ọ bụ dị mkpa n'elu ọkpọkọ ígwè oyi adọtara, nke na-enwekarị corrosion electrochemical.
Na nchịkọta, nke a bụ nchịkọta nke ihe ọmụma dị mkpa banyere mkpochapụ na ọgwụgwọ kemịkalụ nke ọkpọkọ ígwè na-adọrọ oyi.Ekwenyere m na onye ọ bụla nwerekwu mmụta na nghọta.Ọ bụrụ na ị ka chọrọ ịmụtakwu ihe ọmụma, biko gaa n'ihu na-eso anyị.
Oge nzipu: Jul-06-2023