Njikwa corriness nchara, 304 igwe anaghị agba nchara na corring corrion na corring corlontion nke na-agba nchara, ọ ga-eme ka ndọtị nke ọka, dị mfe ịgbaji, na crumple , zoro ezo na-adịghị ahụ anya site n'ụdị ya. Isi ihe na-akpata ya na-akpata ya nke corrosion. Site na njikọta nke jọgburu onwe ya nke ịda ogbenye na-akpata ya site na oke ọkaibe cr, cr na cr car cor compounds, cr ọdịnaya.
1, ihe mejupụtara kemịkalụ na ihe owuwu
(1) c ọdịnaya
C ọdịnaya nke nchara nke njikọta nke mpaghara anaghị agba nchara bụ ihe kachasị mkpa. N'otu aka, ịchịkwa carbon carbon na ọla na-agbakwunye mkpado na 0.08%, na ihe dị ike na c, carbon tupu cund onyinye.
(2)
Ihe owuwu usoro ị ga - eme ga - abawanye ike nke iguzogide corrosion intergramular. N'otu aka, sonyeere usoro ndị na-eme ihe nkiri, dị ka Chromium, silinium, aluminom, ndị na-ahọpụta nke ihe owuwu nke ọma.
2, Wụnye teknụzụ
(1) Ọnọdụ dị na 450 ~ 850 ℃ Okpomọkụ, karịchaa na 650 Celsius Cor corsosion dị mfe mpaghara (marakwa dị ka ọnọdụ okpomọkụ). A na-etinye ihe na-agbakwụnye igwe anaghị agba nchara, a ga-ewepụta ihe na-enweghị mmiri, ma ọ bụ ozugbo na azụ mmiri jụrụ, na-ebelata oge na ọnọdụ okpomọkụ, bụ usoro dị irè maka imeziwanye nkwonkwo.
(2) Mmụba nke ịgbado ume ahịrị, ga-eme ngwa ngwa corrosonion nke chara acha. N'oge a na-agba ọkụ, na obere ọsọ, ịgba ọkụ na-agba ọsọ, mkpụmkpụ-Arc, ọtụtụ usoro ịgbado ọkụ, ma belata okpomọkụ. Ntinye okpomọkụ dị ala, site na ọnọdụ okpomọkụ ngwa ngwa zuru ezu iji zere njikọta nke mpaghara okpomọkụ.
Post Oge: Mar-12-2018