Shida Isostatic Graphite

ʻO ka wehewehe pōkole:

ʻO ka graphite isostatic kahi ʻano mea graphite hou i hoʻomohala ʻia i nā makahiki 1960.Me nā ʻano o nā waiwai maikaʻi loa, ʻoi aku ka nānā ʻana o ka graphite isostatic i nā kula he nui.Ma lalo o ka lewa inert, ʻaʻole e nāwaliwali ka ikaika mechanical graphite isostatic me ka piʻi ʻana o ka mahana, akā e ikaika a hiki i ka waiwai ikaika ma kahi o 2500 ℃.No laila maikaʻi loa kona kūpale wela.Ke hoʻohālikelike ʻia me ka graphite maʻamau, ʻoi aku ka maikaʻi o kāna, e like me ke ʻano maikaʻi a me ka paʻa, ka like like, ka hoʻonui haʻahaʻa haʻahaʻa haʻahaʻa, ke kūpaʻa haʻalulu maikaʻi maikaʻi, ke kūpaʻa kemika ikaika, ka maikaʻi o ka wela a me ka conductivity uila a me ka hana hana mīkini maikaʻi.


Huahana Huahana

Huahana Huahana

Hoʻomaka i ka Isostatic Graphite

ʻO ka graphite isostatic kahi ʻano mea graphite hou i hoʻomohala ʻia i nā makahiki 1960.Me nā ʻano o nā waiwai maikaʻi loa, ʻoi aku ka nānā ʻana o ka graphite isostatic i nā kula he nui.Ma lalo o ka lewa inert, ʻaʻole e nāwaliwali ka ikaika mechanical graphite isostatic me ka piʻi ʻana o ka mahana, akā e ikaika a hiki i ka waiwai ikaika ma kahi o 2500 ℃.No laila maikaʻi loa kona kūpale wela.Ke hoʻohālikelike ʻia me ka graphite maʻamau, ʻoi aku ka maikaʻi o kāna, e like me ke ʻano maikaʻi a me ka paʻa, ka like like, ka hoʻonui haʻahaʻa haʻahaʻa haʻahaʻa, ke kūpaʻa haʻalulu maikaʻi maikaʻi, ke kūpaʻa kemika ikaika, ka maikaʻi o ka wela a me ka conductivity uila a me ka hana hana mīkini maikaʻi.

Ke Kaʻina Hana Isostatic Graphite

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ʻOkoʻa mai ka hoʻoheheʻe extrusion maʻamau a me ka hoʻoheheʻe ʻana, hoʻokumu ʻia ka graphite isostatic e ka ʻenehana kaomi isostatic.Hoʻopiha ʻia ka mea maka o ka pauka i hoʻopiha ʻia i loko o kahi mole rubber, a hoʻopaʻa ʻia ka pauka i kaomi ʻia ma o ka haʻalulu electromagnetic kiʻekiʻe.Ma hope o ka hoʻopaʻa ʻana, hana ʻia ka vacuum e hoʻopau i ka ea ma waena o nā ʻāpana pauka a hoʻokomo ʻia i loko o kahi pahu kaomi kiʻekiʻe i hoʻopiha ʻia me ka wai wai a i ʻole ka aila, a laila kaomi i ke ʻano cylindrical a i ʻole rectangular.Wahi a Pascal, hoʻohana ʻia ke kaomi ʻana i ka mold rubber ma o ka wai e like me ka wai, a ua like ke kaomi ma nā ʻaoʻao āpau.Ma kēia ala, ʻaʻole i hoʻonohonoho ʻia nā ʻāpana pauka i hoʻopiha ʻia i ka ʻaoʻao hoʻopihapiha, akā ua hoʻopili ʻia i kahi hoʻonohonoho ʻole.No laila, ʻoiai he anisotropic ka graphite i nā waiwai crystallographic, ma ke ʻano holoʻokoʻa, isotropic ka isostatic graphite.

Hoʻohana Isotropic Graphite

● Nā Kelepona Solar a me nā Wafers Semicoductor

I ka ikehu o ka lā a me nā ʻoihana semiconductor, hoʻohana ʻia ka nui o ka graphite isostatic e hana i nā ʻāpana graphite no ke kahua wela o nā kapuahi Czochralski kristal hoʻokahi, nā mea wela no ka polysilicon melting a me ka hoʻolei ʻana i nā kapuahi, nā mea wela no ka hana semiconductor hui, crucibles a me nā ʻāpana ʻē aʻe.I kēia mau makahiki i hala iho nei, ua ulu wikiwiki ka hana ʻana o ka mana photovoltaic solar, a ʻo ka hana ʻana o ka silikon monocrystalline a me ka silikon polycrystalline i ka ʻoihana photovoltaic he koi nui no ka graphite.I kēia manawa, ke ulu nei nā huahana silicon monocrystalline a me polycrystalline i nā huahana nui a me nā huahana kiʻekiʻe, a aia nā koi kiʻekiʻe no ka graphite isostatic, ʻo ia hoʻi: nā kikoʻī nui, ka ikaika kiʻekiʻe, a me ka maʻemaʻe kiʻekiʻe.

Nuclear Graphite

Loaʻa i ka graphite Isostatic nā waiwai mechanical medium, nā waiwai mechanical wela kiʻekiʻe, ka conductivity thermal kiʻekiʻe a me ka coefficient hoʻonui laina haʻahaʻa.I ke kiʻekiʻe wela kinoea cooled reactor, ka mea nui hoʻohana 'ia e like me reflector, moderator a me ka ikaika wahi structural mea e hana nukelea wahie hui pu me nukelea wahie.Ma ka mahana o 400 ~ 1200 ℃, pili ia i ka ikehu kiʻekiʻe γ ʻO ka radiation o X-ray a me ka neutron wikiwiki no nā makahiki he nui, he mea maʻalahi ia e hōʻino i ka radiation a hoʻololi i ke ʻano a me nā waiwai o ka graphite.No laila, pono ka mea e loaʻa i ka graphitization kiʻekiʻe, isotropy maikaʻi, ka hoʻohui like ʻana a me ka modulus elastic haʻahaʻa.I kēia manawa, hiki iā Kina ke hana i kahi liʻiliʻi o ka nukle graphite no ke kiʻekiʻe wela kinoea hoʻoluʻu reactor, ka mea nui i hilinaʻi i ka lawe ʻana mai.

EDM

ʻAʻohe wahi heheʻe o ka graphite.He mea hoʻokele uila maikaʻi a loaʻa iā ia ke kūpaʻa haʻalulu wela.He mea electrode maikaʻi loa ia no EDM.ʻO nā mea graphite maʻamau, ʻo ia ka graphite anisotropic haʻahaʻa haʻahaʻa me ka hoʻolālā ʻāpana koʻikoʻi, ʻaʻole hiki ke hoʻokō i ka koi o EDM, ʻoiai ʻo ka isostatic kaomi graphite electrode he ʻano like ʻole, ʻoi aku ka pololei a me ke kiʻekiʻe machining, hiki ke hoʻokō i kēia mau koi.


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