
ʻO nā superalloys hoʻokumu ʻia ʻo Cobalt kahi papa o nā mea metala hana kiʻekiʻe i hoʻolālā ʻia no ka mālama ʻana i ka ikaika mechanical ʻē aʻe, ka paʻa o ka ʻili, a me ke kū ʻana o ka corrosion i nā wela kiʻekiʻe loa, pinepine ma mua o nā mea i hoʻomaka ai nā superalloys nickel-based e nāwaliwali. He kumu pōhaku kumu ia no nā ʻāpana koʻikoʻi i nā kaiapuni koʻikoʻi loa, ʻo ia hoʻi i ka aerospace, nā turbine kinoea ʻenehana, a me nā implants olakino.
ʻO kā lākou hana ʻoi aku ka maikaʻi mai kahi matrix cobalt-chromium i hoʻoikaika ʻia a me ka nui o nā ʻāpana carbide paʻakikī.
ʻOi aku ka ikaika o ka wela kiʻekiʻe: Hōʻike nā kobalt alloys i nā helu heheʻe kiʻekiʻe a me ka ʻoi aku o ka paʻakikī wela a me ke kūpaʻa kolo ʻana ma mua o nā nickel alloys ma nā mahana ma luna o 1000°C (1832°F). ʻO ia ke ʻano o ka pale ʻana i ka palupalu a me ka deformation ma lalo o ke koʻikoʻi ma kahi kokoke i ka hoʻoheheʻe ʻana.
Kūleʻa Wear & Galling: ʻO ko lākou ʻano paʻakikī, i hoʻonui pinepine ʻia e ka ʻupena o nā carbide paʻakikī, hāʻawi i ke kūpaʻa maikaʻi loa i ka ʻaʻahu abrasive, ʻaʻahu adhesive (galling), a me ka huhū. ʻO kēia ka mea i kūpono iā lākou no nā noi hoʻohana.
ʻOi aku ka wela wela a me ka pale ʻana: ʻO ka maʻi chromium kiʻekiʻe (pinepine ma luna o 20%) e hana i kahi pālākiō pale, paʻa i ka chromium oxide (Cr₂O₃) e kūʻē i ka hoʻohaʻahaʻa ʻana i ka ea a me ka sulfidizing.
ʻO ke kūʻē ʻana i ka luhi wela wela: hiki iā lākou ke pale i nā pōʻai pinepine o ka hoʻomehana ʻana a me ka ʻoluʻolu me ka ʻole o ka haki ʻana, kahi waiwai koʻikoʻi no nā ʻāpana e like me nā turbine vanes.
Loaʻa ka hana o nā kobalt superalloys mai kekahi mau hana nui:
Ka Hoʻoikaika Paʻa Paʻa: Hoʻoheheʻe ʻia nā mea e like me ka tungsten (W) a me ka molybdenum (Mo) i loko o ka matrix cobalt, e pale ana i ka neʻe ʻana o ka dislocation.
Carbide Precipitation: ʻO ka hoʻokumu ʻana o nā carbide paʻakikī (e laʻa, Cr₇C₃, Cr₂₃C₆, WC, TaC) i loko o ka microstructure e hāʻawi i ke kūpaʻa nui i ka kolo a me ka lole. ʻO ka nui, ʻano, a me ka hāʻawi ʻana o kēia mau carbide he mea koʻikoʻi i ka hana.
ʻO ka Cobalt Allotropy: Ke hoʻololi nei ʻo Cobalt i ka hoʻololi ʻana ma ka hoʻomehana ʻana, a hoʻohana ʻia kēia ʻano no ka hoʻomaikaʻi ʻana i nā waiwai ma o ka mālama wela a me ka hana thermo-mechanical.
He mea koʻikoʻi nā superalloys hoʻokumu ʻia ʻo Cobalt i nā noi kahi i koho ʻole ʻia ai ka hemahema.
Aerospace & Power Generation Turbines: Hoʻohana ʻia no nā ʻāpana paʻa e like me:
Turbine Vanes & Nozzle Guide Vanes: Ma kahi e ʻike ʻia ai nā wela kinoea kiʻekiʻe loa a ʻoi aku ka nui o ke kūpaʻa ʻana.
Nā Mea Hana Hana Hana: ʻO ke kumu no nā ʻāpana Stellite™, hoʻohana ʻia no:
Nā Noho Valve & Hoʻokiʻoki i loko o nā puʻupuʻu kiʻekiʻe, wela wela.
ʻO nā uea a me nā lāʻau paʻakikī e hoʻokomo i nā mea ʻaʻahu koʻikoʻi ma luna o nā mea hana a me nā mīkini.
Na Lima Pum, Puu, a me na Pahi Oki.
Nā Lapaʻau Lapaʻau: Hoʻohana ʻia i loko o nā implants orthopedic (ʻoi loa no nā metala-ma-metal bearing surfaces) ma muli o ko lākou biocompatibility maikaʻi loa, ke kūpaʻa ʻaʻahu, a me ka pale ʻana i ka corrosion i ke kino kanaka.
Hōʻuluʻulu ka papaʻaina i nā hiʻohiʻona nui no ka ʻike wikiwiki.
| Hiʻona | wehewehe | Pōmaikaʻi |
| Mea Kumu | Cobalt (Co), me kahi maʻiʻo Chromium (Cr) kiʻekiʻe. | Hāʻawi i ka matrix kumu no ka hana wela kiʻekiʻe a me ka pale ʻana i ka corrosion. |
| Nā mea hoʻoikaika kiʻi | Tungsten (W), Molybdenum (Mo), a me Carbon (C) no ka hana carbide. | Hāʻawi i ka ikaika wela kiʻekiʻe, ke kūpaʻa kolo, a me ke kūpaʻa ʻaʻahu. |
| Ka Mahana Hana | Kiʻekiʻe loa, ʻoi aku ma luna o 1000°C (1832°F). | Hiki i ka ʻenekini kiʻekiʻe aʻe a me ka hana ma nā kaiapuni koʻikoʻi. |
| Na Waiwai Ki | 'O'ole'a Wela, Kū'ē Kū'ē, Kū'ē & Kū'ē. | ʻO kahi hui kūikawā no nā kūlana lawelawe koʻikoʻi. |
| Nā ʻano maʻamau | ʻO nā mea hoʻolei ʻia, ka pahu hana/pā, ka pauka no ka HIP, nā ʻāpana paʻa. | ʻO ka hana nui no nā ʻāpana ʻāpana kokoke i ka ʻupena a me nā pale pale. |
| Nā ʻoihana kumu mua | Aerospace, Hoʻoulu Mana, Lapaʻau, Kemika & Petrochemical. | ʻO ka mea i koho ʻia kahi e hui ai ka mahana wela a me ka lole. |
I ka hōʻuluʻulu manaʻo, Nā Kūlana Kūlana Kūlana Kobalt he niche akā he mau mea koʻikoʻi e hoʻokuke i nā palena o ka ʻenekinia wela kiʻekiʻe. ʻOiai ʻoi aku ka nui o ke kumukūʻai a ʻoi aku ka paʻakikī ma mua o nā nickel superalloys, ʻo kā lākou hana like ʻole ma nā wahi kikoʻī - ʻoi aku ka ikaika o ka wela kiʻekiʻe, ka luhi wela, a me ke kūpaʻa ʻaʻahu - hoʻopaʻa i ko lākou kuleana nui i ka ʻenehana holomua.