ʻO ka corrosion metala e pili ana i ka luku ʻia ʻana o ka metala i hana ʻia e ka hana kemika a electrochemical paha o ka mea a puni, a me ka hui pū ʻana me nā mea kino, mechanical a i ʻole nā mea olaola, ʻo ia hoʻi, ka luku ʻana i ka metala ma lalo o ka hana o kona kaiapuni.
ʻO nā ʻano maʻamau o ka corrosion metala o ka pā wela hoʻololi e like me kēia:
ʻO ka ʻinoʻino like ʻole ma ka ʻili holoʻokoʻa i ʻike ʻia i ka waena, a i ʻole ma kahi ʻāpana nui aʻe, ua kapa ʻia ka pōʻino ʻino ʻaʻahu macro i kapa ʻia ʻo ka corrosion like.
ʻO ka ʻinoʻino ʻino ʻia ka ʻino ʻino ʻino ma nā māwae a me nā ʻāpana i uhi ʻia o ka ʻili metala.
Hoʻopili i ka corrosion ʻElua ʻano metala a i ʻole ʻāpana me nā ʻano like ʻole e pili ana kekahi i kekahi, a hoʻokomo ʻia i loko o ka solution solutive electrolyte, aia ke au ma waena o lākou, ke emi nei ka nui o ka corrosion o ka pono metala maikaʻi, piʻi ka piʻi ʻana o ka pōʻino o nā metala maikaʻi ʻole.
Erosion corrosion He ʻano ʻino ka hoʻoheheʻe ʻana e hoʻolalelale i ke kaʻina hana ʻino ma muli o ka neʻe pili ʻana ma waena o ka waena a me ka ʻili metala.
ʻO ka ʻino koho ʻia ʻo ke ʻano o ka hoʻoheheʻe ʻia ʻana o kekahi mea i loko o ka mea hao i loko o ke kikowaena i kapa ʻia he corrosion koho.
ʻO ka ʻinoʻino ʻana i hoʻopaʻa ʻia ma luna o nā wahi liʻiliʻi ma luna o ka ʻili metala ʻoi aku ka hohonu o ka ʻino i kapa ʻia ʻo pitting corrosion, a i ʻole pore corrosion, pitting corrosion.
ʻO ka ʻinoʻino waena he ʻano ʻino ia e hoʻopōʻino ai i ka palena o ka palaoa a me ka wahi kokoke i ka palena ʻai o kahi metala a i ʻole nā mea hoʻoheheʻe, ʻoiai ʻo ka palaoa ponoʻī ʻoi aku ka ʻino.
Hiki ke hoʻopau ʻia nā metala i loko o nā hoʻonā electrolyte e ka hydrogen infiltration ma muli o ka ʻino, pickling, pale cathodic, a i ʻole electroplating.
Stress corrosion fracture (SCC) a me ka corrosion fatigue ka haʻihaʻi waiwai i hoʻokumu ʻia e ka hana hui ʻana o ka corrosion a me ke koʻikoʻi tensile i kekahi ʻōnaehana metala.
Ka manawa hoʻouna: ʻAukake-20-2022