Aloha mai, penei ke kumu
ʻoihana filament
Ua hoʻohana mua ʻia ʻo Tungsten e hana i nā filament incandescent.Ua aʻo nui ʻia nā alloys tungsten rhenium.Ua aʻo pū ʻia ka hoʻoheheʻe ʻana a me ka hana ʻenehana o tungsten.Loaʻa nā tungsten ingots e ka consumable arc a me ka electron beam melting, a ua hana ʻia kekahi mau huahana e ka extrusion a me ka hana plastic;Eia nō naʻe, ʻo ka mea hoʻoheheʻe ʻana he mau kīʻaha koʻikoʻi, ka palaka maikaʻi ʻole, ka hana paʻakikī a me ka haʻahaʻa haʻahaʻa, no laila ʻaʻole i lilo ke kaʻina hana hoʻoheheʻe plastic i ke ʻano hana nui.Ma kahi o ka chemical vapor deposition (CVD) a me ka plasma spraying, hiki ke hana i nā huahana liʻiliʻi loa, ʻo ka pauka metallurgy ke kumu nui e hana ai i nā huahana tungsten.
ʻoihana pepa pelu
I ka makahiki 1960, ua hana ʻia ka noiʻi ʻana ma ka tungsten smelting, ka pauka metallurgy a me ka ʻenehana hana.I kēia manawa hiki iā ia ke hana i nā papa, nā ʻāpana, nā foil, nā kaola, nā paipu, nā uwea a me nā ʻāpana profiled ʻē aʻe.
Ke pelu ʻana i nā mea wela kiʻekiʻe
He kiʻekiʻe ka mahana o ka hoʻohana ʻana i nā mea tungsten, a ʻaʻole pono e hoʻomaikaʻi i ka ikaika wela o ka tungsten ma o ka hoʻohana ʻana i ke ʻano hoʻoikaika hoʻonā.Eia nō naʻe, ʻo ka hoʻopuehu ʻana (a i ʻole ka ua) ka hoʻoikaika ʻana ma ke kumu o ka hoʻoikaika ʻana i ka hopena paʻa hiki ke hoʻomaikaʻi nui i ka ikaika wela kiʻekiʻe, a ʻo ka hopena hoʻoikaika o ThO2 a me nā mea hoʻopuehu HfC precipitated ʻoi aku ka maikaʻi.Loaʻa i nā huila W-Hf-C a me W-ThO2 ka ikaika wela kiʻekiʻe a me ka ikaika kolo ma kahi o 1900 ℃.He ala maikaʻi ia e hoʻoikaika ai i ka alloy tungsten i hoʻohana ʻia ma lalo o ka mahana recrystallization ma ka hoʻohana ʻana i ke ʻano o ka hoʻoikaika ʻana i ka hana mehana e hoʻoikaika i ka ikaika.Inā he kiʻekiʻe ka ikaika tensile o ka uea tungsten maikaʻi, ʻo ka nui o ka deformation kaʻina hana
99.999% uea tungsten maikaʻi me ke anawaena o 0.015 mm, ikaika tensile o 438 kgf/mm ma ka lumi wela
Ma waena o nā metala refractory, ʻo ka tungsten a me ka tungsten alloys ka mea kiʻekiʻe loa o ka plastic brittle transition temperature.ʻO ka mahana hoʻololi o ka plastic brittle transition o nā mea polycrystalline tungsten sintered a hoʻoheheʻe ʻia ma kahi o 150 ~ 450 ℃, e hoʻopilikia ana i ka hana ʻana a me ka hoʻohana ʻana, ʻoiai ka haʻahaʻa o ka tungsten kristal hoʻokahi ma mua o ka mahana o ka lumi.ʻO nā mea haumia interstitial, microstructures a me nā mea hoʻohui i nā mea tungsten, a me ka hoʻoili ʻana i ka plastic a me ke kūlana o ka ʻili, he hopena nui i ka wela hoʻololi o ka plastic brittle o nā mea tungsten.Inā ʻaʻole hiki i ka rhenium ke hoʻohaʻahaʻa loa i ka wela hoʻololi ʻana o nā mea tungsten, ʻoi aku ka liʻiliʻi o nā mea ʻē aʻe i ka hoʻohaʻahaʻa ʻana i ka mahana hoʻololi palaka palaka (e ʻike i ka hoʻoikaika ʻana i ka metala).
ʻAʻole maikaʻi ʻo Tungsten i ka pale oxidation.Ua like kona ano oxidation me ka molybdenum.Hoʻololi ka Tungsten trioxide ma luna o 1000 ℃, ka hopena i ka "pōʻino" oxidation.No laila, pono e pale ʻia nā mea tungsten e ka vacuum a i ʻole inert lewa ke hoʻohana ʻia i ka wela kiʻekiʻe.Inā hoʻohana ʻia lākou i loko o ka ea hoʻonaʻauao kiʻekiʻe, pono e hoʻohui ʻia nā pale pale.
ʻoihana kaua kaua pelu ʻana
Me ka hoʻomohala ʻana a me ka holomua o ka ʻepekema, ua lilo nā mea hao tungsten i mea waiwai no ka hana ʻana i nā huahana koa i kēia lā, e like me nā pōkā, nā mea kaua a me nā pūpū, nā poʻo pōkā, nā grenades, nā pū pana, nā poʻo pōkā, nā kaʻa pōkā, nā pahu kaua, nā mokulele kaua, nā mea kaua. nā ʻāpana, nā pū, a me nā mea ʻē aʻe. ʻO ka pahu kila kila i hana ʻia me ka tungsten alloy hiki ke uhaʻi i ka pale kaua a me ka hui pū me ke kihi inclination nui, a ʻo ia ka mea kaua anti tank nui.
ʻO nā tungsten alloys nā mea hoʻohui e pili ana i ka tungsten a i haku ʻia me nā mea ʻē aʻe.Ma waena o nā metala, ʻo ka tungsten ka mea hoʻoheheʻe kiʻekiʻe loa, ka ikaika wela kiʻekiʻe, ke kūpaʻa ʻana, ka conductivity thermal, ka conductivity uila a me ka hana electron emission, ʻo ia ka mea nui, koe wale nō ka nui o nā noi i ka hana ʻana i nā carbide cemented a me nā mea hoʻohui.
Hoʻohana nui ʻia ʻo Tungsten a me kāna mau alloys i nā ʻenehana uila a me nā ʻoihana kukui uila, a me ka aerospace, ka hoʻolei ʻana, nā mea kaua a me nā ʻāpana ʻē aʻe e hana ai i nā nozzles rocket, die-casting molds, armor piercing bullet cores, contacts, heat elements and heat. nā pale.