Kurwisana Ndicho Chinyanya Kukosha Chekuvaka nekuchengeteka
Anoita Mamwe Mifananidzo Here?
Zvose zvesimbi zvinogona kukonzera. Vamwe, vakaita sesimbi yakachena, vanogadzirisa nokukurumidza. Sirivha isina chinhu, zvisinei, iyo inosanganisira iron nedzimwewo zvinyorwa, inononoka kuratidza uye inoshandiswa kakawanda.
Zvose zviduku zvesimbi, zvinonzi "Noble Metals," zvishoma nezvishoma zvinoshanda kune vamwe. Somugumisiro, vanogunzva kazhinji. Izvo, chaizvoizvo, iyo midziyo chete inogona kuwanikwa mune zvakasikwa muhupenyu hwavo hwakachena. Izvo Zvakanaka Metare, hazvishamisi, zvinowanzokosha zvikuru. Inosanganisira mhangura, palladium, sirivha, platinum, uye ndarama.
Aina dzeCrorosion
Kune zvikonzero zvakawanda zvakasiyana zvesimbi inoratidzika. Zvimwe zvinogona kudziviswa nekuwedzera zvinyorwa kune tsvina yakachena. Zvimwe zvinogona kudzivirirwa nekuchenjerera kusanganiswa kwemasimbi kana kutungamirirwa kwechigadziko chesimbi. Mamwe emhando dzakawanda kwazvo dzegorosi dzinotsanangurwa pasi apa.
1. General Attack Kurwisa:
Iyi iyo inowanzozivikanwa yehurosi inorwisa nzvimbo yose yesimbi yakagadzirwa. Inokonzerwa nemakemikari kana electrochemical reaction. Kunyange zvazvo hukuru huri kurwisa kurwisa kunogona kukonzera simbi kuparara, iyo inozivikanwa uye inofanirwa kuitika. Somugumisiro, zvinokwanisika kuronga nekugadzirisa zvakanyanya kurwisa corrosion.
2. Localized Corrosion:
Localized corrosion kurwisa chete zvikamu zvesimbi yesimbi. Kune mhando mitatu yemunharaunda yakashata:
- Pitting - kusikwa kwezvibato zviduku mumusoro wesimbi.
- Kupisa kunokonzera - kurrosi inowanikwa munzvimbo dzisingagoneki dzakadai sedzi dzakawanikwa pasi pe gaskets.
- Filiform kurwisana: kutuka kunoitika apo mvura inowanikwa pasi pekupfeka sepende. kushaya simba.
3. Galvanic Corrosion:
Galvanic corrosion inogona kuitika apo maviri emhando dzakasanganiswa inowanikwa pamwe chete mumusanganiswa electrolyte semvura semunyu. Muchidimbu, mamolekemu enye yesimbi inoswededzwa kune imwe simbi, iyo inotungamirira kuhuroti mune imwe chete yemasimbi maviri.
4. Kurwisa Kwemagariro:
Apo mamiriro ezvinhu ezvakatipoteredza ari kushungurudzika zvakakwana, imwe simbi inogona kutanga kupera, kuneta, kana kuve kushaya simba uye kushaya simba.
Corrosion Prevention
World Corrosion Organisation inofungidzira kuti mari yepasi rose yegorosi inenge inodarika US $ 2.2 trillion gore negore, uye kuti chikamu chikuru cheizvi - zvinenge 25% - chinogona kubviswa kuburikidza nekushandisa nzira dzakadzika, dzakanzwisiswa kudzivirira. Kurwisana kwekudzivirira haufaniri hako kuonekwa semari yemari chete, asiwo yehutano nekuchengeteka. Mabhiriji akaputika, zvivako, ngarava, nezvimwe zvivako zvesimbi zvinogona kukonzera kukuvara nekufa.
Nzira yekudzivirira inobudirira inotanga mumagadziro ekugadzirisa nekunyatsonzwisisa kwezvakatipoteredza nemamiriro esimbi. Injiniya inoshanda nevanoshandiswa ne metallurgical sarudzo kuti vasarudze yakakodzera simbi kana sendiri pane imwe mamiriro ezvinhu. Vanofanirawo kunge vachiziva nezvekukwanisa kushandiswa kwemakemikari pakati pemashoni anoshandiswa panzvimbo, zvigaro, uye kusungirirwa.
Zvimwe Nezvekurohwa
Kuora isayenzi yakaoma inoda ruzivo rwakadzika rwemakemikari, metallurgy, kupfeka, uye kushungurudzika kwezvakatipoteredza. Dzidza zvakawanda pamusoro pegrosiro nemashoko aya akaenzana:
- Aina dzeCrorosion
- Corrosion Prevention
- Kudzvinyirira Kudzora Checklist
- Corrosion Rate Calculator
- Galvanic Corrosion
- Galvanization