Mea kākau: Infull Cutlery –Kinamea hoʻolako ʻoki
I ka ʻāhu ʻana o ka ʻili o ka papa ʻaina kila, kahaha ka poʻe: "ʻAʻole ʻeleʻele ke kila kila, ʻaʻole ia he kila kila." ʻOiaʻiʻo, he kuhihewa kēia o ka ʻike ʻole o ke kila kila. Hiki i nā ʻoki ʻoki kila ʻole ke ʻōpala i kekahi mau hihia.
Kūleʻa ke kila kila i ka oxidation o ka lewa (ʻo ia hoʻi, ʻaʻole ʻōpala) a hiki nō hoʻi iā ia ke corrode i loko o nā ʻakika, alkalis a me ka paʻakai paʻakai (ʻo ia hoʻi. Eia nō naʻe, ʻokoʻa kona pale ʻana i ka corrosion me ke ʻano kemika o ke kila ponoʻī, ke kūlana o ka hoʻohui like ʻana, nā kūlana hoʻohana a me ke ʻano o ka media kaiapuni.
No ka laʻana, 430 kila paipu i loa maikaʻi loa anti-corrosion hiki i loko o kahi maloʻo a maʻemaʻe kaiapuni, akā, i ka wā e neʻe ai i ke kai wahi, e hikiwawe ka lepo i loko o ke kai ohu i nui ka paʻakai; 304 kila paipu hana maikai. .
No laila, ʻaʻole ia he ʻano kila kuhili ʻole e kū ʻole i ka ʻino a ʻaʻole e ʻōpala i kekahi kaiapuni.
Nui nā ʻano pōʻino i ka ʻili o ke kila kila.
Ke hilinaʻi nei ke kila kila ma luna o kahi kiʻiʻoniʻoni chromium-rich oxide kiʻi ʻoniʻoni i hoʻokumu ʻia ma luna o kona ʻili e pale aku i nā atom oxygen mai ka hoʻomau ʻana i ke komo ʻana a hoʻomau i ka oxidize, a laila e loaʻa ai ke kūpaʻa corrosion. I ka wā e haki mau ai ka membrane no kekahi kumu, e hoʻomau ke komo ʻana o nā ʻātoma o ka oxygen i ka lewa a i ʻole ka wai, a i ʻole e hoʻomau ka kaʻawale ʻana o nā ʻātoma hao i loko o ka metala, e hana ana i ka hao oxide, a e hoʻomau ʻia ka lepo o ka metala.
Nui nā ʻano pōʻino o kēia kiʻiʻoniʻoni ma luna.
Piʻi ka lepo ma luna o nā ʻili kila kila, aia nā mea hoʻopili o nā mea metala ʻē aʻe a i ʻole nā mea metala ʻē aʻe. I loko o ka ea haʻahaʻa, condensate ma waena o ka mea kōkua a me ke kila kuhiliʻole e hoʻopili i nā mea ʻelua i loko o kahi puʻupuʻu liʻiliʻi, kahi e hoʻoulu ai i kahi hopena electrochemical a hōʻino i ka membrane pale, i kapa ʻia ʻo electrochemical corrosion.
Hoʻopili ka ʻili o ke kila kila i ka wai kūlohelohe, kahi e hana ai i ka waika organik i mua o ka wai a me ka oxygen, a ʻo ka ʻakika organik e corrodes i ka ʻili metala no ka manawa lōʻihi.
Pili ka ʻili o ke kila kila i nā mea i loaʻa i nā ʻakika, nā kumu a me nā paʻakai, e like me ka lye a me ka wai lime i pipi ʻia ma nā paia hoʻonani, e hoʻoulu ai i ka corrosion localized.
Hoʻokumu ʻia ka ʻakika Sulfuric, ka waikawa nitric a me ka wai acetic acid i loko o ka ea haumia e like me ka lewa i loaʻa ka nui o nā sulfide, carbon monoxide a me nitric oxide.
ʻO ka papaʻaina kila kuhiliʻole i hoʻohana ʻia ma ka papa ʻaina i hana ʻia me nā mea i ʻōlelo ʻia ma luna nei, a ʻo ka papa ʻaina kila kila i hoʻohana ʻia e ka poʻe i ʻike pinepine ʻia me nā wai corrosive.
No laila e makaʻala i ka hoʻomaʻemaʻe a me ka mālama ʻana, hiki ke hoʻohana ʻia no ka manawa lōʻihi.
Ma waena o nā mea maka o ka papa ʻaina kila, ʻo ka mea maikaʻi loa ʻo 304 (18/10 stainless steel), a ʻoi aku kona maikaʻi ma mua o 430 (18/0 stainless steel). ʻO nā mea ʻoki kila kila i hana ʻia mai nā mea ʻoi aku ka maikaʻi e hāʻawi i ka maluhia o ka naʻau i ka poʻe! .