Pāpā kila kilahe ʻano huahana ʻaʻole maʻalahi e hana i ka corrosion, koe wale nō i kekahi mau hihia koʻikoʻi. ʻO kaʻoiaʻiʻo, he mea hikiʻole ke hoʻopiliʻia kekahi huahana, inā e hoʻopiliʻia kā mākou papa kila kila, hiki ke hoʻololi i kona hoʻohana maʻamau, no laila pono mākou e hana i kekahi mau mea pale e pale i kēia kūlana. Eia nā kumu ʻelua e hiki ai ke hoʻopōʻino i nā papa kila kuhili.
1. Electrochemical corrosion.
ʻO ka pā kila kila ma muli o ka ʻōpala i hoʻopili ʻia e ka hoʻopili ʻana me nā ʻāpana kila, ka pā kila ma hope o ka hoʻokumu ʻia ʻana o nā cell galvanic me ka corrosive medium, e hoʻohua ai i ka corrosion electrochemical, pickling passivation hopena ʻaʻole maikaʻi, e hana pū ʻia ka kiʻiʻoniʻoni passivation ma ka ʻili o ka pā ʻaʻole like ʻole a lahilahi paha, no laila e maʻalahi ka hana ʻana i ka corrosion electrochemical, splash a me nā mea maʻalahi o ka pā pōhaku ma hope o ka hoʻokumu ʻia ʻana o nā mea pāpaʻi. ʻO ka hopena i ka ʻino electrochemical, ʻaʻole maʻemaʻe ka hoʻomaʻemaʻe ʻana i ka pickling passivation, e hopena i ke koena o ka pickling passivation wai nā huahana corrosion me ka pā, a laila hana i ka ʻino electrochemical me ka pā.
2. ʻAi kemika.
Ma lalo o kekahi mau kūlana, nui ka aila, lepo a waika paha, paʻakai i pili i ka ʻili o ka pā kila kila i loko o ka corrosion medium, ka hopena kemika me kekahi mau mea o ka pā, ka hopena i ka corrosion a me ka ʻōpala, ka hoʻomaʻemaʻe ʻana i ka pickling passivation ʻaʻole lawa ka maʻemaʻe 3 ma muli o ke koena o ka wai i koe, a laila e corroding pono i ka pā, ua ʻoki ʻia ka ʻili o ka pā, ka hopena o ka passivation hiki ke hoʻopau ʻia ke kiʻiʻoniʻoni. waena, ʻino kemika a me ka ʻōpala.
Ka manawa hoʻouna: Feb-22-2023