(1) Hnav corrosion: hais txog ib hom kev yaig corrosion ntawm hlau nto los ntawm high-speed kua. Cov kua dej erosion txawv ntawm qhov abrasion tshwm sim los ntawm cov khoom siv hauv nruab nrab. Lub twj tso kua mis dej yuav hnav thaum lub sijhawm ua haujlwm, yog li peb yuav tsum sim siv cov khoom siv nrog kev hnav zoo los txo nws qhov hnav thiab corrosion. Tau kawg, cov khoom sib txawv muaj qhov sib txawv hnav thiab corrosion kuj.
(2) Electrochemical corrosion: electrochemical corrosion yog hais txog cov txheej txheem electrochemical nyob rau hauv uas qhov sib cuag ntawm cov hlau tsis sib xws ua lub roj teeb vim qhov sib txawv ntawm electrode muaj peev xwm ntawm cov hlau, thiaj li ua rau corrode cov hlau anode. Cov kev ntsuas los tiv thaiv electrochemical corrosion yog raws li nram no: ua ntej, sacrificial anode yog siv los tiv thaiv cathode hlau; Qhov thib ob, qhov ntws channel ntawm lub twj tso kua mis yuav tsum tau ua los ntawm tib cov khoom siv hlau.
(3) Intergranular corrosion: intergranular corrosion yog ib hom kev xeb hauv zos, uas feem ntau yog hais txog nag lossis daus ntawm chromium carbide ntawm stainless hlau nplej. Intergranular corrosion yog heev corrosive rau stainless hlau. Cov kev ntsuas los tiv thaiv intergranular corrosion yog: annealing stainless hlau los yog ultra-low carbon stainless hlau (C<>
(4) Uniform corrosion: uniform corrosion hais txog cov tshuaj corrosion tsis zoo ntawm tag nrho cov hlau nto thaum corrosive kua hu rau cov hlau nto. Qhov no tsis yog tsuas yog ib hom kev txhim kho corrosion, tab sis kuj yog ib qho tsis tshua muaj teeb meem ntawm corrosion. Cov kev ntsuas los tiv thaiv corrosion tsis zoo yog yuav tsum tau txais cov ntaub ntawv tsim nyog (xws li cov ntaub ntawv tsis yog xim hlau) thiab xav txog qhov txaus corrosion txaus hauv kev tsim cov twj tso kua dej.
(5) Crevice corrosion: crevice corrosion yog ib hom kev xeb hauv zos, uas yog hais txog qhov corrosion tshwm sim los ntawm kev puas tsuaj hauv zos ntawm cov hlau passive zaj duab xis vim qhov txo qis ntawm cov ntsiab lus oxygen thiab / lossis pH tus nqi hauv qhov crevice tom qab lub crevice tau ntim nrog corrosive kua. Kev siv cov hlau nrog siab Cr thiab M0 cov ntsiab lus tuaj yeem tiv thaiv lossis txo qhov tshwm sim ntawm crevice corrosion.
(6) Pitting corrosion: pitting corrosion yog ib hom corrosion hauv zos. Vim qhov kev puas tsuaj hauv zos ntawm cov yeeb yaj kiab hlau tsis zoo, hemispherical pits tau tsim sai heev nyob rau hauv ib cheeb tsam ntawm cov hlau nto, uas yog hu ua pitting corrosion. Cov pitting corrosion feem ntau yog tshwm sim los ntawm CL 1. M0 uas muaj cov hlau (feem ntau 2.5% Mo) tuaj yeem siv los tiv thaiv pitting corrosion, thiab M0 cov ntsiab lus yuav tsum nce nrog qhov nce ntawm Cl cov ntsiab lus thiab kub.
(7) Kev ntxhov siab corrosion: kev ntxhov siab corrosion yog hais txog ib hom kev xeb hauv zos los ntawm kev sib koom ua ke ntawm kev ntxhov siab thiab corrosive ib puag ncig. Kev ntsuas los tiv thaiv kev ntxhov siab yog siv austenitic Cr Ni steel nrog siab Ni cov ntsiab lus (Ni;> 25% - 30%).
(8) Cavitation corrosion: qhov corrosion tshwm sim los ntawm cavitation ntawm lub twj tso kua mis hu ua cavitation corrosion. Cov tswv yim thiab yooj yim txoj kev los tiv thaiv cavitation corrosion yog tiv thaiv cavitation. Txawm li cas los xij, dej twj cavitation tsis tuaj yeem tiv thaiv. Cavitation yuav tshwm sim ntau dua los yog tsawg dua thaum lub tshuab twj tso kua mis ua haujlwm. Rau cov twj tso kua dej uas feem ntau tsim cavitation corrosion, cavitation resistant cov ntaub ntawv tuaj yeem siv los ua kom lawv cov cavitation tsis kam.