I-Shida Isostatic Graphite

Incazelo emfushane:

I-Isostatic graphite wuhlobo olusha lwezinto ze-graphite ezakhiwe ngeminyaka yawo-1960.Ngochungechunge lwezakhiwo ezinhle kakhulu, i-isostatic graphite ithola ukunakwa okwengeziwe emikhakheni eminingi.Ngaphansi komkhathi ongenzi lutho, amandla omshini we-isostatic graphite ngeke abe buthakathaka ngokukhuphuka kwezinga lokushisa, kodwa azoqina afinyelele inani eliqine kakhulu cishe elingu-2500℃.Ngakho ukumelana nokushisa kwayo kuhle kakhulu.Uma kuqhathaniswa ne-graphite evamile, izinzuzo eziningi ezinazo, njengesakhiwo esihle nesicwebezelayo, ukufana okuhle, i-coefficient ephansi yokwandisa okushisayo, ukumelana nokushaqeka okushisayo okushisayo, ukumelana kwamakhemikhali okuqinile, ukuqhutshwa kahle kwe-thermal kanye nogesi kanye nokusebenza okuhle kakhulu kokucubungula kwemishini.


Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Ukwethulwa kwe-Isostatic Graphite

I-Isostatic graphite wuhlobo olusha lwezinto ze-graphite ezakhiwe ngeminyaka yawo-1960.Ngochungechunge lwezakhiwo ezinhle kakhulu, i-isostatic graphite ithola ukunakwa okwengeziwe emikhakheni eminingi.Ngaphansi komkhathi ongenzi lutho, amandla omshini we-isostatic graphite ngeke abe buthakathaka ngokukhuphuka kwezinga lokushisa, kodwa azoqina afinyelele inani eliqine kakhulu cishe elingu-2500℃.Ngakho ukumelana nokushisa kwayo kuhle kakhulu.Uma kuqhathaniswa ne-graphite evamile, izinzuzo eziningi ezinazo, njengesakhiwo esihle nesicwebezelayo, ukufana okuhle, i-coefficient ephansi yokwandisa okushisayo, ukumelana nokushaqeka okushisayo okushisayo, ukumelana kwamakhemikhali okuqinile, ukuqhutshwa kahle kwe-thermal kanye nogesi kanye nokusebenza okuhle kakhulu kokucubungula kwemishini.

Inqubo ye-Isostatic Graphite

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Ihlukile ekubumbeni okujwayelekile kwe-extrusion kanye nokubunjwa kokucindezela, i-isostatic graphite yakhiwa ubuchwepheshe obubandayo bokucindezela isostatic.Impahla eluhlaza yempushana ecindezelwe igcwaliswa esikhunjeni serabha, bese impushana ecindezelwe ihlanganiswe ngokudlidliza kwe-electromagnetic vibration.Ngemuva kokuvalwa, i-vacuum yenziwa ukuze kukhishwe umoya phakathi kwezinhlayiya zempushana bese ifakwa esitsheni esinengcindezi ephezulu egcwele uketshezi olufana namanzi noma uwoyela, bese ucindezela kusimo esiyicylindrical noma esingunxande.Ngokwesimiso sikaPascal, ingcindezi isetshenziswa esikhunjeni senjoloba ngokusebenzisa i-liquid medium njengamanzi, futhi ukucindezela kuzo zonke izinkomba kuyalingana.Ngale ndlela, izinhlayiya ze-powder ezicindezelwe aziqondiswe ekugcwaliseni isiqondiso ekubunjweni, kodwa zicindezelwe ngendlela engavamile.Ngakho-ke, nakuba i-graphite i-anisotropic ezindaweni ze-crystallographic, i-isostatic graphite i-isotropic.

Isicelo se-Isotropic Graphite

● Amaseli elanga kanye nama-Wafers we-semicoductor

Ezimbonini zamandla elanga kanye ne-semiconductor, inani elikhulu le-graphite ye-isostatic lisetshenziselwa ukukhiqiza izingxenye ze-graphite zensimu eshisayo yezinhlayiya ze-crystal Czochralski eyodwa, izifudumezi ze-polysilicon ezincibilikayo kanye neziqhumane zokuphonsa, izifudumezi zokukhiqiza i-semiconductor ehlanganisiwe, ama-crucibles nezinye izingxenye.Eminyakeni yamuva, i-solar photovoltaic power generation iye yathuthuka ngokushesha, futhi ukukhiqizwa kwe-silicon ye-monocrystalline kanye ne-polycrystalline silicon embonini ye-photovoltaic kunesidingo esikhulu se-graphite.Njengamanje, imikhiqizo ye-silicon ye-monocrystalline ne-polycrystalline ithuthukela emikhiqizweni emikhulu nesezingeni eliphezulu, futhi kunezidingo eziphakeme ze-isostatic graphite, okungukuthi: ukucaciswa okukhulu, amandla aphezulu, nokuhlanzeka okuphezulu.

I-Nuclear Graphite

I-graphite ye-Isostatic inezici zemishini ephakathi, izakhiwo ezinhle kakhulu zemishini yokushisa okuphezulu, ukuhanjiswa okuphezulu kwe-thermal kanye ne-coefficient ephansi yokunwetshwa komugqa.Kumazinga okushisa aphezulu egesi epholile, isetshenziswa kakhulu njengesibonisi, umongameli kanye nempahla yesakhiwo sendawo esebenzayo ukwenza ukuhlangana kukaphethiloli wenuzi kanye nophethiloli wenuzi.Ezingeni lokushisa lika-400 ~ 1200 ℃, lingaphansi kwamandla aphezulu γ Imisebe ye-X-ray ne-neutron esheshayo iminyaka eminingana, okulula ukubangela ukulimala kwemisebe futhi iguqule isakhiwo kanye nezakhiwo ze-graphite.Ngakho-ke, impahla iyadingeka ukuze ibe ne-graphitization ephezulu, isotropy enhle, ukwakheka okufanayo kanye ne-modulus ephansi yokunwebeka.Njengamanje, i-China ingakhiqiza kuphela inani elincane le-nuclear graphite ye-reactor epholile yegesi lokushisa eliphezulu, okuncike kakhulu ekungenisweni kwempahla.

I-EDM

I-graphite ayinayo indawo yokuncibilika.Ingumqhubi omuhle kagesi futhi inokumelana nokushaqeka okuhle kokushisa.Kuyinto enhle kakhulu ye-electrode material ye-EDM.Izinto ezivamile ze-graphite, okuyi-graphite ye-anisotropic enobukhulu obuphansi enesakhiwo sezinhlayiyana ezimahhadla, azikwazi ukuhlangabezana nesidingo se-EDM, kuyilapho i-isostatic ecindezela i-graphite electrode inokwakheka okufanayo, ukunemba okuphezulu nokunemba okuphezulu, okungahlangabezana nalezi zidingo.


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