ʻO ke keleawe i hoʻohana pinepine ʻia a me kāna mau mea hoʻohui:keleawe maemae, keleawe, keleawe, etc. He ulaula melemele ke ano o ke keleawe maemae.I ka lewa, e hana ka ʻili i kahi kiʻi ʻoniʻoni ʻulaʻula-ʻulaʻula ma muli o ka oxidation, no laila ua kapa ʻia ʻo ia he keleawe ʻulaʻula.He maikaʻi loa ka conductivity uila a me ka thermal conductivity o ke keleawe maʻemaʻe, ʻelua wale nō i ke kālā.Loaʻa iā ia ke kūpaʻa kemika kiʻekiʻe a me ke kūpaʻa corrosion maikaʻi i ka lewa a me ka wai hou.ʻO ka mea maʻamau, i loko o kahi wahi haʻahaʻa, maʻalahi ka hana ʻana i ka carbonate keleawe kumu (ʻike mau ʻia ʻo patina).ʻO ke keleawe maʻemaʻe he plasticity maikaʻi akā haʻahaʻa ka ikaika mechanical.Loaʻa pinepine ka ʻoihana keleawe maʻemaʻe i kahi nui o ka oxygen, sulfur, lead, bismuth, arsenic a me nā mea haumia ʻē aʻe.Hiki i ka li'ili'i o ka arsenic ke ho'onui i ka ikaika o ke keleawe, ka pa'akikī, a me ka ho'emi 'ana i ka uila a me ka wela.He mea ino ke koena o na mea haumia.Hoʻohana nui ʻia ke keleawe maʻemaʻe e hana i nā uea, nā ʻāpana uila a me nā mea keleawe like ʻole i ka ʻoihana.I waena o lākou, hoʻohana ʻia ke keleawe maʻemaʻe oxygen-free e like me nā ʻāpana uila.
ʻO ke keleawe he hui keleawe a me ka zinc.Ke emi ka zinc o ke keleawe ma lalo o 32, maikaʻi ka plasticity, kūpono no ka hana anu a me ka wela, a ikaika ka paʻakikī, akā maikaʻi ka hana ʻoki.I mea e hoʻomaikaʻi ai i kekahi mau waiwai o ke keleawe, hoʻohui pinepine ʻia kahi mea liʻiliʻi o nā mea ʻē aʻe, e like me ke alumini, manganese, tin, silicon, lead, etc. Ua kapa ʻia kēia keleawe he keleawe kūikawā.Hoʻohana ʻia ke keleawe i nā mea kanu wela e hana i nā paipu hoʻololi wela no nā condensers turbine mahu.No ka laʻana, ʻo ka N-11200-1 ʻano condenser copper tube material i hoʻohana ʻia i loko o ka pahu uila mokuahi 200,000-kilowatt: ma ke ʻano he 77-2 keleawe alumini ma kahi wai kai maʻemaʻe, a me 70-1 keleawe keleawe ma kahi wai hou.
Ka manawa hoʻouna: Mei-17-2022