Otu anyị si egbochi nchara n'elu nchara nchara nchara gbasachara bụ ndị a:
1. Gbanwee nhazi ime nke ígwè
Dịka ọmụmaatụ, imepụta alloys dị iche iche na-eguzogide corrosion, dị ka ịgbakwunye chromium, nickel, wdg na ígwè nkịtị iji mee igwe anaghị agba nchara.
2. Usoro oyi akwa nchekwa
Ikpuchi elu igwe na akwa mkpuchi na-ekewapụta ngwaahịa igwe na ihe na-emebi emebi gburugburu iji gbochie mmebi.
(1). Jiri mmanụ injin, mmanụ ala mmanụ, tee elu nchara nchara gbasasịrị, tee ya ma ọ bụ jiri ihe anaghị emebi ihe na-emebi emebi dị ka enamel na plastik kpuchie ya.
(2). Jiri electroplating, plating na-ekpo ọkụ, ịgbasa efere na ụzọ ndị ọzọ iji kpuchie elu nke efere ígwè ahụ na oyi akwa nke ígwè na-adịghị adị mfe, dị ka zinc, tin, chromium, nickel, wdg. ọla ndị a na-emekarị ihe nkiri oxide siri ike n'ihi oxidation, si otú ahụ na-egbochi mmiri na ikuku site na corroding ígwè.
(3). Jiri usoro kemịkalụ mepụta ihe nkiri oxide mara mma ma kwụsie ike n'elu igwe. Dịka ọmụmaatụ, a na-emepụta ihe nkiri ferric oxide ojii dị mma n'elu efere ígwè.
3. Usoro nchebe electrochemical
Usoro nchebe electrochemical na-eji ụkpụrụ nke mkpụrụ ndụ galvanic chebe ọla ma gbalịa iwepụ mmeghachi omume cell galvanic nke na-akpata corrosion galvanic. A na-ekewa ụzọ nchebe electrochemical ụzọ abụọ: nchebe anode na nchebe cathodic. Ụzọ a na-ejikarị eme ihe bụ nchebe cathodic.
4. Na-emeso mgbasa ozi corrosive
Wepụ mgbasa ozi ndị na-emebi emebi, dị ka ikpochapụ ngwa igwe ugboro ugboro, itinye ihe ndị na-esi nri n'ime ngwa nkenke, na ịgbakwunye obere ihe mgbochi corrosion nke nwere ike belata ọnụ ọgụgụ corrosion na mgbasa ozi na-emebi emebi.
5. Electrochemical nchebe
1. Usoro nchebe anode nke ịchụ àjà: Usoro a na-ejikọta ígwè na-arụ ọrụ (dị ka zinc ma ọ bụ zinc alloy) na ígwè a ga-echebe. Mgbe corrosion galvanic na-eme, metal a na-arụ ọrụ na-arụ ọrụ dị ka electrode na-adịghị mma iji nweta mmeghachi omume oxidation, si otú ahụ belata ma ọ bụ gbochie mmebi nke metal echedoro. A na-ejikarị usoro a eme ihe iji kpuchido ikpo ígwè na shells nke ụgbọ mmiri na-agba mmiri na mmiri, dị ka nchebe nke ọnụ ụzọ ígwè na mmiri. A na-agbakọta ọtụtụ iberibe zinc n'okpuru mmiri mmiri nke shea ụgbọ mmiri ma ọ bụ n'ọdụ ụgbọ mmiri dị nso na propeller iji gbochie ọkpụkpụ, wdg nke corrosion.
2. Usoro nchebe dị ugbu a masịrị: Jikọọ ígwè a ga-echebe na ogwe adịghị mma nke ọkụ eletrik, ma họrọ ihe ọzọ na-eme ka ọ bụrụ ihe na-eme ka ọ bụrụ ihe na-eme ka ọ dị mma iji jikọọ na ogwe aka dị mma nke ọkụ eletrik. Mgbe ike gwụrụ, nchịkọta nke ebubo na-adịghị mma (electrons) na-eme n'elu igwe, si otú a na-egbochi ígwè ahụ ka ọ ghara ikpochapụ electrons na imezu nzube nke nchebe. A na-ejikarị usoro a egbochi mmebi nke akụrụngwa igwe na ala, mmiri mmiri na mmiri osimiri. Ụzọ ọzọ nke nchebe electrochemical ka a na-akpọ nchebe anode, nke bụ usoro nke anode na-agafe n'ime ebe ọ bụla nwere ike site n'itinye voltaji mpụga. Ọ nwere ike igbochi ma ọ bụ gbochie ngwa igwe ka ọ ghara imebi na acid, alkalis na salts.
Oge nzipu: Feb-22-2024