FORGED TUNGSTEN MOLYBDENUM

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Tungsten kaumaha loa oka a

High nuʻa, maikaʻi formability a me ka machinability, poʻokela ka popopo ia'ku, kiʻekiʻe modulus o elasticity, kilakila thermal conductivity a me ka haahaa thermal anoe. Mākou i lawe mai: mākou tungsten kaumaha metala oka a pau.

Ko makou "heavyweights" e ia, no ka mea hoike, ma ka maunakea a me ka aerospace na hana, 'inikua enehana, ka kaʻa a me ka foundry na hana a me ka aila a me ka kinoeaʻeli. Mākou iki keia manawa ekolu o kēia mau mea ma lalo:

Mākou tungsten kaumaha metala oka a W-Ni-Fe a me W-Ni-cu i ka pakahi aku la ia kiʻekiʻe nuʻa (17.0 i 18,8 g. / Cm3) a hoomakaukau i ike loea paleia lakou e ku e ia X-Ray a me ka gamma pāhawewe. Ua W-Ni-Fe a me kā mākou 'ole-ʻume mākenēki mea W-Ni-cu e hoʻohana no ka paleia lakou no ka hoʻohālike i ka' inikua palapala noi akā, i loko o ka aila a me ka kinoea oihana puolo. Like collimators i loko o ka pāhawewe Inc lako a pan e hōʻoia i ka pololei waiū. Ma balancing paona mākou e hoʻohana ana i ka pa apŘ pakahi aku la ia kiʻekiʻe o ko mākou tungsten kaumaha metala oka a pau. W-Ni-Fe a me W-Ni-cu? Anoe wale loa uuku i kiʻekiʻe mahana, a dissipate wela maopopo pono. E like me ka punahelu inserts no Aluminum foundry hana, ka mea hiki ke pinepine ae la oia enaena, a ho'ēmi me ka lilo brittle.

Ma ka pou hookuuia machining (EDM) kaʻina, e mīkini penei: i eliiaʻi no ka lōʻihi kiʻekiʻe o ka miomio ma ka mea o ka pou hookuuia ma waena o ka workpiece a me ka'ūholo uila. I ka mea i ke keleawe a me ka graphite nā uila aʻa lolo mai ai i ka hana, e mae-hoʻopale e hiki i ka mīkini i paakiki i eliiaʻi tungsten-copper- nā uila aʻa lolo me ka pilikia. I wai kokoʻehu nozzles no ka ka penaʻana hana, hou hoʻokō i ka mea waiwai o ka tungsten a me ke keleawe ulaula kekahi i kekahi e akakaʻi.

Infiltrated mea hao tungsten kaumaha ke hooheheeia komo o nā mea eiiiiiaiou. I loko o kekahi mau-ke kahua manufacturing kaʻina hana, he porous sintered kumu ua mua i lawe mai i ka ke keʻena me ka mea kiekie oia ka mahele heheʻe i ka wahi, no ka hana i refractory metala, ma mua o ka ili hāmama i laila infiltrated me ka liquified ke keʻena me ka lalo heheʻe wahi. Nā waiwai o ke kanaka eiiiiiaiou koe ua hoʻololiʻia. I ka nānā 'ia ai ma lalo o ka microscope, na waiwai o kela a me keia o na eiiiiiaiou hoʻomau i e hoikeia. Ma ka macroscopic iliwai, nae, o ka waiwai o ke kanaka eiiiiiaiou i hui. E like me ka hapalua mea hao mea, ka mea hou i nā puke i, no ka laʻana, e komo hou thermal conductivity a thermal anoe nā loina.

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Wai a pae-sintered tungsten-kaumaha ke hooheheeia i ua hanaʻia, mai ka hui o ka mea hiki ke hooheheeia me ka pauka, i loko o ka hookahi-ke kahua? Iecaianoaaiiuo kaʻina manawa a na eiiiiiaiou me ka haahaa mahele heheʻe i ka helu i hoʻoheheʻeʻia ma luna o ka poe i kiekie ae mahele heheʻe i ka helu. Iloko o ka mea hoʻopaʻa pae, mau eiiiiiaiou kuahene oka a me ka poe e i ka mea kiekie oia ka mahele heheʻe i ka wahi. ʻO ka nui nui o ka tungsten, a i ke kiʻekiʻe mahele heheʻe i ka wahi, ua mea hoʻoheheʻe i ka mea hoʻopaʻa pae. Plansee ka wai a pae sintered lua mea, mai ka tungsten ke keʻena o ka pa apŘ, modulus o elasticity, a hiki i ka hoʻokemu X-Ray a me ka gamma pāhawewe me ka loaa mai kekahi mai o na drawbacks pili me ka aaioee o ka maemae tungsten Akä naÿe, i ke kaʻi lau waiwai o thermal? Aiey, a me ka pono i thermal a me ka uila conductivity o ke kinowai pae-sintered eiiiiiaiou hilinai i ka nui loa nui ma luna o ka haku mele 'ole i loko o ka mea hoʻopaʻa pae.

Back-nou mai i na lako ka poʻe hui pu iho la i ka mea waiwai o nā 'okoʻa mea eiiiiiaiou. I loko o kēia kaʻina hana, na pono hana lakou i hoopaa mai i loko o kā lākou palapala moku'āina a me ka poe hoopaaia wale i ka lahilahi huina. Na mea hiki ke hooheheeia i fused i loko o ka punahelu, e lilo i mea paa o ka wale i kekahi mau micrometers ma ka nui. Haʻalele kuʻihao a me ka soldering i kūpono, keia iaoia mea pakahi aku la ia i ka pilina paʻa, a hōʻoiaʻiʻo kaʻoi loa thermal conduction.



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