He metala maʻemaʻe ke keleawe a hoʻokahi wale nō, ʻo kēlā me kēia mea i hana ʻia me ke keleawe e hōʻike ana i nā ʻano like. Ma ka ʻaoʻao ʻē aʻe, ʻo ke keleawe he mea hoʻohuihui o ke keleawe, ka zinc, a me nā metala ʻē aʻe. ʻO ka hui pū ʻana o kekahi mau metala, ʻo ia hoʻi, ʻaʻohe ala hoʻokahi e hiki ai ke hoʻokaʻawale i nā keleawe āpau. Eia nō naʻe, e kūkākūkā mākou i nā ʻano hana e hoʻokaʻawale ai i ke keleawe mai ke keleawe. Ua ʻōlelo ʻia kēia mau ʻano hana ma lalo nei:
● Ka ʻIke Waihoʻoluʻu
E hoʻomaʻemaʻe i nā metala ʻelua e hoʻokaʻawale ʻia. Hoʻomohala ke keleawe a me ke keleawe i kahi patina me ka manawa. He ʻōmaʻomaʻo ka hapa nui o kēia patina. I kahi kūlana kahi e ʻike ʻia ai ka metala mua, e hoʻāʻo i ke ʻano hoʻomaʻemaʻe keleawe. ʻOiai e hana ana kēia ʻano hana no nā metala ʻelua, e hoʻohana i nā huahana hoʻomaʻemaʻe keleawe kalepa a me ke keleawe e palekana ai.
E kau i ka metala ma lalo o ke kukui keʻokeʻo. I kēia hihia, inā ua wili ʻia nā metala e ʻike ʻia, a laila ʻike ʻia paha ke kukui wahaheʻe ma muli o ke kukui i hoʻohuli ʻia. ʻO kekahi ala e hoʻopuni ai i kēia, ʻo ia ke nānā ʻana iā ia ma lalo o kahi kukui fluorescent keʻokeʻo a i ʻole ka lā. No ka ʻike ʻana, e ʻoluʻolu e pale i ke kukui incandescent melemele.
E ʻike i ke kala ʻulaʻula o ke keleawe. He metala maʻemaʻe ia me kahi ʻano ʻulaʻula-ʻeleʻele.
E nānā i ke keleawe melemele. Hana ʻia ke keleawe i ke keleawe a me ka zinc. ʻO ka nui like ʻole o ka zinc i loko o ke keleawe e hana i nā kala like ʻole. ʻO ka hapa nui, ʻo ke keleawe maʻamau i hoʻohana ʻia e hōʻike ana i ke kala melemele palupalu a i ʻole kahi ʻano melemele-ʻeleʻele e like me ke keleawe. ʻO kekahi ʻano keleawe he ʻōmaʻomaʻo-melemele ke ʻano, ʻoiai ua kapa ʻia kēia metala "ka metala gilding". He palena kona mau hoʻohana i nā pōkā a me nā mea hoʻonaninani.
E nānā i ke keleawe ʻulaʻula a ʻalani paha. Ke hana ʻia ka metala keleawe me ka liʻiliʻi he 85% keleawe, hiki ke nānā aku he ʻulaʻula-ʻeleʻele a ʻalani paha. Hoʻohana nui ʻia kēia ʻano keleawe i nā mea hoʻopaʻa hoʻonaninani, nā mea hoʻonani, a me nā paipu. No laila, ʻo kēlā me kēia ʻano o ke kala melemele, ʻalani, a gula paha e hōʻike ana he keleawe ka metala a ʻaʻole he keleawe.
Ke ʻike ʻana i nā keleawe ʻē aʻe. Hiki i ke keleawe me ka nui o ka zinc ke nānā aku i ke gula ʻālohilohi, keʻokeʻo, hina, a i ʻole keʻokeʻo melemele. ʻAʻole maʻamau nā mea hoʻohuihui i loko o kēia mau māhele no ka mea ʻaʻole hiki ke mīkini ʻia. Eia nō naʻe, hiki iā ʻoe ke loaʻa kā lākou hoʻohana ʻana i nā mea hoʻonani.
● ʻAno ʻē aʻe o ka ʻike ʻana
Ka hoʻohana ʻana i ke kani: ʻoiai he metala palupalu ke keleawe, hoʻopuka ia i kahi kani poepoe mālie ke kuʻi ʻia i kahi ʻāpana ʻē aʻe. Ua wehewehe ʻia kahi hoʻāʻo i hana ʻia i ka makahiki 1987 i ke kani o ke keleawe he 'make' ʻoiai ua ʻōlelo ʻia ke keleawe e hoʻopuka i kahi leo kani maopopo. He mea paʻakikī paha ka hoʻoholo ʻana me kēia ʻano hana me ka ʻike ʻole. ʻO ka nūhou maikaʻi, he mea pono ke aʻo ʻana i kēia ʻano hana i ka hala ʻana o ka manawa, ʻoiai no kahi leʻaleʻa hōʻiliʻili mea kahiko a ʻōpala paha. Hana maikaʻi kēia ʻano hana no kahi ʻano hana paʻa.
Ke koho ʻana i ka metala kūpono no kāu papahana
ʻO ke koho ʻana i ke ʻano metala kūpono no kahi noi he mea koʻikoʻi ia e hoʻomaopopo ai i ka wā e pili ana i ka hoʻolālā ʻana a me ka hana ʻana i nā huahana a i ʻole nā ʻāpana kiʻekiʻe. ʻOiai ʻo nā metala ʻelua (Copper & Brass) e hāʻawi i ka conductivity thermal a me ka uila, ka ikaika, ke kūpaʻa i ka corrosion, a me nā mea hou aku, loaʻa iā lākou nā ʻokoʻa like ʻole.
ʻOiai ke kūpaʻa o kēlā me kēia keleawe a me ke keleawe, ʻaʻole like ko lākou pae o ka maʻalahi. I ke koho ʻana no kāu papahana, hōʻike ke keleawe maʻemaʻe ʻole oxygen i ka maʻalahi nui loa, ka conductivity, a me ka ductility ʻoiai hāʻawi ke keleawe i ka machinability.
Ma ke ʻano o ka pono maʻamau, ʻo ke keleawe ka mea i manaʻo nui ʻia a kūpono loa no nā noi maʻamau. He maʻalahi ke hoʻoheheʻe ʻia, ʻaʻohe pipiʻi, a palupalu me ka haʻahaʻa haʻalulu. ʻO ke keleawe ka mea kūpono loa no nā ʻāpana hoʻonaninani a no nā ʻāpana metala e pili pū ana me ka poʻe i kēlā me kēia lā e like me ka puka. Hoʻohana ʻia ia i ka ʻoihana hana meaʻai no nā ʻano meaʻai e pono e pale ʻia mai ka hoʻouka ʻana o ka microbial a me ka bacteria.
Hōʻuluʻulu Manaʻo: Keleawe vs. Keleawe, ʻO wai ka mea maikaʻi loa no kāu papahana?
He mea nui ka hoʻomaopopo ʻana i nā waiwai like ʻole o ke keleawe a me ke keleawe no ke koho ʻana i ka mea maikaʻi loa no kāu mau papahana. He kōkua ia i ka hāʻawi ʻana i nā pane i ka nīnau kahiko o "ʻo wai ka mea ʻoi aku ka maikaʻi ma waena o ke keleawe a me ke keleawe." E hoʻomaopopo kā mākou ʻike kikoʻī iā ʻoe he ʻoi aku ka waiwai o nā metala ʻelua i kā lākou noi. I ka hopena, ʻoi aku ka maikaʻi o nā metala ʻelua no kā lākou noi kikoʻī.
Inā makemake ʻoe i nā ʻāpana keleawe mīkini a i ʻole ka mīkini ʻana i nā ʻāpana keleawe, ʻo JINDALAI ka mea hoʻolako maikaʻi loa hiki iā ʻoe ke hilinaʻi, hauʻoli wau i ka lohe ʻana mai iā ʻoe!
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Ka manawa hoʻouna: Dec-19-2022
