I kekahi manawa i kapa ʻia ʻo nā 'metala ʻulaʻula', hiki ke paʻakikī ke hoʻokaʻawale i ke keleawe, ke keleawe a me ke keleawe. Ua like ke kala a kūʻai pinepine ʻia aku i nā ʻano like, e kahaha paha ʻoe i ka ʻokoʻa o kēia mau metala! E ʻoluʻolu e nānā i kā mākou pakuhi hoʻohālikelike ma lalo nei e hāʻawi iā ʻoe i kahi manaʻo:
| Waihoʻoluʻu | Nā Hoʻohana Maʻamau | Nā Pōmaikaʻi | |
| Keleawe | ʻUlaʻula ʻalani | ● Nā paipu a me nā mea hoʻopili paipu ● Uea uila | ● Hoʻokele uila a me ka wela kiʻekiʻe ● Maʻalahi ke kūʻai ʻia a ductile loa ● Nā waiwai antibacterial kupaianaha |
| Keleawe | Hiki ke ʻokoʻa ke kala mai ka ʻulaʻula a i ke gula ma muli o ka nui o ka zinc i hoʻohui ʻia i ka metala | ● Nā mea hoʻonaninani ● Nā mea kani | ● Waihoʻoluʻu nani e like me ke gula ● Hana maikaʻi a me ke kūpaʻa ● Ikaika maikaʻi loa, me nā pae zinc ma luna o 39% |
| Keleawe | Gula palalulu | ● Nā mekala a me nā makana ● Nā kiʻi kālai ʻia ● Nā ʻūpā a me nā bearings ʻoihana | ● Kūpaʻa i ka palaho ● ʻOi aku ka wela a me ka conductivity uila ma mua o ka hapa nui o nā kila. |
1. He aha ke keleawe?
He mea hao ke keleawe i loaʻa ma ka papa ʻaina. He waiwai kūlohelohe ia i loaʻa ma ka honua a he mea hoʻohui ia i loko o ke keleawe a me ke keleawe. Hoʻopuka nā lua keleawe i ke keleawe maka mai ka ʻili o ka honua a hiki ke loaʻa ma ka honua holoʻokoʻa. No ka mea, he alakaʻi kiʻekiʻe kēia metala a hiki ke kū i ka wela, hoʻohana pinepine ʻia ia i nā ʻōnaehana uila a me nā kamepiula. Hoʻohana pinepine ʻia nā paipu keleawe i ka plumbing. ʻO kekahi o nā mea maʻamau i hana ʻia mai ke keleawe i hana hou ʻia ma nā pā hale ʻōpala, ʻo ia ka uea keleawe, ke kaula, a me nā paipu. ʻO ke keleawe kekahi o nā metala waiwai nui loa ma nā pā hale ʻōpala.
2. He aha ke keleawe?
He metala hoʻohuihui ke keleawe, ʻo ia hoʻi he metala ia i hana ʻia me nā mea he nui. He hui ia o ke keleawe a me ka zinc, a i kekahi manawa he tin. Hiki i nā ʻokoʻa o nā pakeneka o ke keleawe a me ka zinc ke hana i nā ʻokoʻa o ke kala a me nā waiwai o ke keleawe. ʻO kona helehelena mai ka melemele a i ke gula palalulu. ʻOi aku ka zinc e hoʻoikaika ai i ka metala a ʻoi aku ka ductile, a ʻoi aku ka melemele o ke kala. Ma muli o kona kūpaʻa a me ka hiki ke hana, hoʻohana pinepine ʻia ke keleawe i nā mea hana plumbing, nā ʻāpana mechanical, a me nā mea kani. Hoʻohana ʻia nō hoʻi no nā kumu hoʻonaninani ma muli o kona ʻano gula.
3. He aha ke Keleawe?
E like me ke keleawe, he metala hui ʻia ke keleawe i hana ʻia me ke keleawe a me nā mea ʻē aʻe. Ma waho aʻe o ke keleawe, ʻo ka tin ka mea maʻamau i loaʻa i ke keleawe, akā hiki i ke keleawe ke loaʻa pū ka zinc, arsenic, alumini, silicon, phosphorus, a me ka manganese. Hoʻopuka kēlā me kēia hui pū ʻana o nā mea i nā waiwai like ʻole i loko o ka hui i loaʻa. ʻO ka hoʻohui ʻana o nā mea ʻē aʻe e hoʻolilo i ke keleawe i ʻoi aku ka paʻakikī ma mua o ke keleawe wale nō. Ma muli o kona ʻano gula ʻeleʻele a me ka ikaika, hoʻohana ʻia ke keleawe i nā kiʻi kālai ʻia, nā mea kani, a me nā mekala. Hoʻohana ʻia hoʻi ia i nā noi ʻoihana e like me nā bearings a me nā bushings ma muli o kona haʻahaʻa haʻahaʻa o ka metala-ma-metala. Loaʻa i ke keleawe nā hoʻohana moana hou aʻe ma muli o kona kūpaʻa i ka pala. He alakaʻi maikaʻi hoʻi ia o ka wela a me ka uila.
4. Nā ʻokoʻa ma waena o ke keleawe, ke keleawe, a me ke keleawe
ʻO ke keleawe a me ke keleawe he hapa i hana ʻia me ke keleawe, ʻo ia ke kumu e paʻakikī ai i kekahi manawa ke ʻike i ka ʻokoʻa ma waena o ka metala a me kāna mau mea hoʻohui. Eia nō naʻe, loaʻa i kēlā me kēia kekahi mau ʻano a me nā waiwai e hoʻokaʻawale ai iā ia mai nā mea ʻē aʻe. Eia kekahi mau ala e hoʻokaʻawale ai i ke keleawe, ke keleawe, a me ke keleawe kekahi i kekahi.
● Waihoʻoluʻu
He ʻulaʻula-ʻeleʻele ko ke keleawe. He ʻano gula melemele ʻoi aku ka mālamalama o ke keleawe. ʻO ke keleawe, i kēia manawa, he gula palalulu a sepia paha ke kala a he mau apo palupalu ma kona ʻili.
● Leo
Hiki iā ʻoe ke kuʻi māmā i ka metala e hoʻāʻo ai inā he keleawe a he alloy paha. E hoʻopuka ke keleawe i kahi leo hohonu a haʻahaʻa. E hoʻopuka ke keleawe a me ke keleawe i kahi leo kiʻekiʻe, me ke kani ʻana o ke keleawe e ʻoi aku ka mālamalama.
● Hoʻonohonoho ʻana
He mea ke keleawe i loko o ka papa manawa, ʻo ia hoʻi ke keleawe wale nō ka mea hoʻohui i loko o ke keleawe maʻemaʻe. Eia nō naʻe, i kekahi manawa he mau haumia a i ʻole nā mea ʻē aʻe i hui pū ʻia. ʻO ke keleawe kahi mea hoʻohuihui o nā mea keleawe a me ka zinc a hiki ke loaʻa ka tin a me nā metala ʻē aʻe. ʻO ke keleawe kahi mea hoʻohuihui o nā mea keleawe a me ka tin, ʻoiai i kekahi manawa ua hoʻohui ʻia ka silicon, manganese, alumini, arsenic, phosphorus, a i ʻole nā mea ʻē aʻe. Hiki i ke keleawe a me ke keleawe ke loaʻa nā metala like he nui, akā ʻo ke keleawe hou he nui ka pakeneka o ke keleawe—ma kahi o 88% ma ka awelika.
● Mākēneki
ʻO ke keleawe, ke keleawe, a me ke keleawe he mau mea hao ʻole ia a ʻaʻole pono e makeneka. Eia nō naʻe, ʻoiai he mau mea hoʻohuihui ke keleawe a me ke keleawe, i kekahi manawa hiki i nā koena hao ke komo i loko o lākou a hiki ke ʻike ʻia e kahi makeneka ikaika. Inā ʻoe e paʻa i kahi makeneka ikaika i ka metala i nīnau ʻia a pane mai ia, a laila hiki iā ʻoe ke kāpae he keleawe ia.
● Paʻa
He paʻakikī ke keleawe, he paʻa, a ʻaʻole maʻalahi ke pelu. ʻO ke keleawe ka mea paʻa ʻole, me ke keleawe ma waena. Hiki i ke keleawe ke haki maʻalahi ma mua o nā mea ʻelua ʻē aʻe. ʻO ke keleawe, ʻoiai, ʻo ia ka mea palupalu loa o nā mea ʻekolu. ʻOi aku ka pale ʻana o ke keleawe i ka pala ma mua o ke keleawe, akā ʻaʻole like me ke keleawe. E oxidize ke keleawe i ka hala ʻana o ka manawa a hana i kahi patina ʻōmaʻomaʻo e pale aku iā ia mai ka pala hou aʻe.
Makemake ʻoe e aʻo hou e pili ana i ka ʻokoʻa ma waena o ke keleawe a me ke keleawe? E ʻae i nā loea ma JINDALAI e hana pū me ʻoe e koho i nā metala kūpono no kāu papahana aʻe. Kāhea i kēia lā e kamaʻilio me kahi lālā o ka hui aloha a ʻike.
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Ka manawa hoʻouna: Dec-19-2022
