E pili ana i ke keleawe

keleaweʻo ia kekahi o nā metala mua loa i ʻike ʻia a hoʻohana ʻia e nā kānaka, poni-ʻulaʻula, ʻumekaumaha kikoʻī 8.89, helu heheʻe 1083.4℃.Hoʻohana nui ʻia ke keleawe a me kāna mau ʻāpana ma muli o kā lākou conductivity uila maikaʻi a me ka thermal conductivity, ikaika ka corrosion resistance, hana maʻalahi, ka ikaika tensile maikaʻi a me ka ikaika luhi, ʻelua wale nō i ke kila a me ka alumini i ka hoʻohana ʻana i nā mea metala, a ua lilo i mea waiwai nui a me ka hoʻolālā. nā mea waiwai i loko o ka hoʻokele waiwai a me ke ola o ka poʻe, nā papahana pale aupuni a me nā kahua ʻenehana kiʻekiʻe.Hoʻohana nui ia i ka ʻoihana uila, ʻoihana mīkini, ʻoihana kemika, ʻoihana pale aupuni a me nā keʻena ʻē aʻe.ʻO ka pauka maikaʻi ʻo Copper he concentrate i hana ʻia me ka haʻahaʻa haʻahaʻa haʻahaʻa keleawe-bearing raw ore i hiki i kekahi ʻano kikoʻī maikaʻi ma o ke kaʻina hana pōmaikaʻi a hiki ke hoʻolako pololei ʻia i nā smelters no ka hoʻoheheʻe keleawe.

He metala koʻikoʻi ke keleawe, ʻo kona helu heheʻe he 1083 degere Celsius, ʻo ka hoʻolapalapa ʻana he 2310 degere, ʻo ke keleawe maʻemaʻe he poni-ʻulaʻula.He maikaʻi ka hoʻoili uila a me ka wela o ka metala keleawe, a ʻo kāna conductivity uila ka lua ma nā metala āpau, ʻelua wale nō i ke kālā.Aia ke kolu o kona conductivity wela, ka lua i ke kala a me ke gula.ʻO ke keleawe maʻemaʻe he maʻalahi loa, ʻo ka nui o kahi kulu o ka wai, hiki ke huki ʻia i loko o kahi filament 2,000 mika ka lōʻihi, a i ʻole e ʻōwili ʻia i loko o kahi pahu ʻalohilohi ʻoi aku ka laulā ma mua o ka ʻili o kahi moe.

 

ʻO ke ʻano o ka "pale keleawe phosphor keʻokeʻo" ʻo ia hoʻi "ka keleawe phosphor me ka uhi keʻokeʻo ma ka ʻili".Pono e hoʻomaopopo kaʻawale ʻia ʻo "White Plating" a me "phosphor copper".

ʻO ka uhi keʻokeʻo -- He keʻokeʻo ke kala o ka uhi.He ʻokoʻa ka mea plating a ʻokoʻa paha ke kiʻi passivation, ʻokoʻa hoʻi ke kala o ka uhi.He keʻokeʻo ʻo Phosphor copper tinning no nā mea uila me ka ʻole o ka passivation.

 

ʻO ke keleawe Phosphorus - keleawe me ka phosphorus.He mea maʻalahi ke kūʻai aku ʻo Phosphorus copper a he elasticity maikaʻi, a hoʻohana mau ʻia i nā mea uila.

 

keleawe ʻulaʻulahe keleawe.Loaʻa kona inoa mai kona waihoʻoluʻu poni.E ʻike i ke keleawe no nā waiwai like ʻole.

ʻO ke keleawe ʻulaʻula he keleawe maʻemaʻe ʻoihana, ʻo kona helu heheʻe he 1083 °C, ʻaʻohe hoʻololi isomerism, a ʻo kona mānoanoa pili he 8.9, ʻelima mau manawa o ka magnesium.Ma kahi o 15% ke kaumaha ma mua o ke kila maʻamau.Ua ala ʻulaʻula, poni ma hope o ka hoʻokumu ʻia ʻana o ke kiʻi oxide ma ka ʻili, no laila ua kapa ʻia ʻo ia he keleawe.He keleawe ka nui o ka oxygen, no laila ua kapa ʻia ʻo ia he keleawe me ka oxygen.

Kapa ʻia ke keleawe ʻulaʻula no kona kala ʻulaʻula ʻulaʻula.ʻAʻole ia he keleawe maʻemaʻe, a i kekahi manawa ua hoʻohui ʻia kahi liʻiliʻi o nā mea deoxidation a i ʻole nā ​​​​mea ʻē aʻe e hoʻomaikaʻi ai i ka mea a me ka hana, no laila ua helu ʻia ʻo ia he keleawe keleawe.Hiki ke hoʻokaʻawale ʻia nā mea hana keleawe Kina i ʻehā mau ʻāpana e like me ka haku mele: keleawe maʻamau (T1, T2, T3, T4), keleawe ʻole oxygen (TU1, TU2 a me ka maʻemaʻe kiʻekiʻe, vacuum oxygen-free copper), deoxidized copper (TUP). , TUMn), a me ke keleawe kūikawā (arsenic copper, tellurium copper, silver copper) me ka liʻiliʻi o nā mea hoʻohui.ʻO ka uila a me ka thermal conductivity o ke keleawe ka lua wale nō i ke kālā, a ua hoʻohana nui ʻia i ka hana ʻana o nā mea hana conductive a me nā mea wela.ʻO ke keleawe i loko o ka lewa, ka wai kai a me kekahi mau waikawa non-oxidizing (hydrochloric acid, dilute sulfuric acid), alkali, paʻakai paʻakai a me nā ʻano mea like ʻole (acetic acid, citric acid), maikaʻi ke kūpaʻa corrosion, hoʻohana ʻia i ka ʻoihana kemika.Eia kekahi, he maikaʻi ka weldability o ke keleawe a hiki ke hana ʻia i nā huahana semi-finished a me nā huahana i hoʻopau ʻia e ke anuanu a me ka thermoplastic.I nā makahiki 1970, ua ʻoi aku ka nui o ka hana ʻana o ke keleawe ʻulaʻula ma mua o ka nui o ka hana ʻana o nā ʻāpana keleawe ʻē aʻe.


Ka manawa hoʻouna: Sep-05-2023

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