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Māhele:Ka lawelawe ʻenehana Author: Kumu:Origin Ka manawa hoopuka:2022-05-05
Nā Hits: 10

Ma ke kamaʻilio e pili ana i nā pauma kaʻina hana kemika, ʻoi aku ka nui o ka hoʻohana ʻana i ka hana ʻoihana, ʻoi aku hoʻi ma ke kahua kemika, ʻoi aku ka nui o ka pāʻani ʻana i nā ʻōpala hoʻoheheʻe kino. Ma lalo o nā kūlana maʻamau, ma muli o ke ʻano o ke kaiapuni kahi i hoʻohana ʻia ai nā paila kaʻina hana kemika, hana ʻia lākou me ka metala a i ʻole fluoroF46. No nā metala maʻamau, ʻoi loa ko lākou ʻano i ka corrosion, a ʻo ke kaiapuni o waho e like me ka mahana, ka haʻahaʻa a me ka ea E alakaʻi pololei ia i ka ʻino metala, no laila ʻo kā mākou mau mea maʻamau no ka hoʻoheheʻe ʻana i ke kaʻina hana kemika he kila kila a me ka fluoroplastic F46.

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ʻO ke ʻano kūpono no ka pauma kaʻina hana kemika he corrosive, a no ka hoʻokaʻawale ʻana o ka corrosion, ʻelua mau ʻano hoʻohālikelike.

Hoʻokaʻawale ʻia ka mīkini, a hoʻokaʻawale ʻia kekahi e like me ke kumu a me ke ʻano o ka corrosion. Wahi a ke ʻano o ka corrosion, hiki ke hoʻokaʻawale ʻia i ka corrosion electrochemical a me ka corrosion kemika. ʻO ka ʻino electrochemical e pili ana i ke ʻano o ka corrosion i hoʻokumu ʻia e ka hopena electrode ma ka ʻili o ka mea metala ma hope o ka hoʻopili ʻana me ka hopena electrolyte. ʻO kēia pane ʻana he hopena redox maʻamau, a ʻo nā kumu nui ka haʻahaʻa a me ka mahana o ke kaiapuni; ʻO ka corrosion kemika e pili ana i kahi hopena kemika ikaika loa ma waena o ka ʻili metala a me ka mea e hoʻopuni ana i ka metala, kahi e pōʻino ai ka metala i kekahi ʻano. ʻO nā kumu nui o kēia corrosion he kiʻekiʻe ka wela a me kahi maloʻo. Wahi a ka hiʻohiʻona a me nā kumu o ka corrosion, hiki ke hoʻokaʻawale ʻia i ka peeling corrosion, corrosion atmospheric industrial, corrosion oxidation kiʻekiʻe a me ka corrosion atmospheric moana.

I loko o ke kaiapuni me ka haumia ʻoihana koʻikoʻi, no ka mea, ʻoi aku ka nui o nā mea maʻalahi e like me ka sulfide, carbon dioxide a me ka hydroxide i ka lewa, a loaʻa pū kekahi i ka lepo ʻoihana, ʻo ia ka media i maʻalahi i ka corrosion. Ke noho kēia mau media i loko o kahi ʻāina haʻahaʻa, e hui pū ke kinoea waikawa me ka wai e hana ai i nā ʻakika inorganic. Loaʻa i kēia mau waikawa nā waiwai corrosive ikaika, no laila e hoʻoulu lākou i ka corrosion. I ke kaiapuni o ka lewa ʻoihana, hoʻokumu ʻia nā mea hana e ka hopena hui o ka electrochemical corrosion a me ka corrosion kemika pololei. ʻO ke ʻano o nā ʻino a pau he kaʻina hana hoʻomake ʻia kahi e nalowale ai nā mea metala i nā electrons e hana i nā ion. ʻO ka ʻokoʻa nui ma waena o ka corrosion electrochemical a me ka corrosion atmospheric ʻoihana ʻo ia nā ʻokoʻa like ʻole e kū ai.

ʻO kaʻinoʻino o nā mea hana e pili pono ana i nā mea o nā mea hana. Ma ke kaʻina koho o nā mea kemika, pono mākou e nānā i ka hiki ʻana mai o ka corrosion, e hoʻolohe i ke koho kūpono o nā mea, a noʻonoʻo pono i nā waiwai o ka waena, ka mahana o ke kaiapuni a me ke kaomi hana, etc. ʻoihana kemika ʻO nā koi o nā mea maka a me ke ʻano a me ke ʻano o nā mea hana hoʻolālā. Pono ka hoʻolālā ʻana o ka hale e nānā i nā koi hana a me nā hiʻohiʻona koʻikoʻi i ka hana ʻana a me ka hana ʻana o nā mea hana kemika, a pono e nānā ʻia nā ʻano aʻe i ka hoʻolālā ʻana: ʻo ka mea mua, pono e kūlike nā koi o ka huahana me ka corrosion. nā koi kū'ē o ka hana ʻana i nā huahana kemika; ʻO ka lua Pono pono e hoʻolohe i ka paʻa o ka hana a me ka maʻalahi o nā mea hana kemika, e pale i ka hoʻokuʻu ʻia o ka media corrosive, ka puʻupuʻu ʻole o ka haʻahaʻa wela, ka condensation o ka mahu a me ka hōʻiliʻili o nā huahana corrosion; ʻO ka hope, pono e hoʻolohe i ka pale ʻana i nā ikaika o waho e pale ai i ka ʻino ʻana i ka luhi ma muli o ke koʻikoʻi.

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