Ungalikhetha Kanjani Ishidi Le-Graphite: Izinto Ezibalulekile kanye Nomhlahlandlela Osebenzayo

Jun 29, 2025

Shiya umlayezo

Ishidi le-graphite, ngenxa yokumelana{0}}nokushisa okuphezulu okuphezulu kakhulu, ukuguquguquka kwe-thermal, nokuzinza kwamakhemikhali, lisetshenziswa kakhulu ku-metallurgy, amakhemikhali, ama-semiconductors, namandla amasha. Nokho, izidingo zokusebenza zeshidi le-graphite ziyahlukahluka kakhulu kuzo zonke izinhlelo zokusebenza ezihlukene, okwenza ukukhetha unolwazi kubaluleke kakhulu.

 

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Okokuqala, chaza ngokucacile indawo yesicelo kanye nezidingo zokusebenza. Ezinsizeni zokusebenza-ezisezithandweni zezinga lokushisa eliphezulu noma ze-metallurgy, beka kuqala ukumelana nezinga lokushisa kweshidi (ngokujwayelekile lidlule ku-3000℃) kanye nokumelana nokushaqeka kwe-thermal. I-graphite -yokuhlanzeka okuphezulu (okuqukethwe komlotha okungaphansi kuka-50 ppm) kunciphisa ukuphazamiseka kwenqubo kusuka ekungcoleni futhi ifanele i-semiconductor noma izimboni ze-photovoltaic. Ngezinhlelo zokusebenza ezibandakanya ama-asidi aqinile nezisekelo, khetha ishidi le-graphite elinokwelashwa kokumiliselwa kwangaphezulu (okufana nenhlaka noma insimbi) ukuze uthuthukise ukumelana nokugqwala.

Okwesibili, cabangela ukuminyana kwezinto ezibonakalayo namandla emishini. Ukuminyana kweshidi le-graphite kuthinta ngokuqondile ukumelana nokugqoka kwayo nokuzinza kwesakhiwo. I-graphite -ephezulu (1.8-2.0 g/cm³) inamandla okucindezela aphezulu futhi ifanele ukumelana nokucindezeleka komshini; i-graphite ephansi-ecishe ibe ngu-1.6 g/cm³) inokuguquguquka okungcono kwe-thermal futhi ifanele izinto zokushintsha ukushisa. Ukuminyana kungaqale kuhlolwe ngokuthepha ishidi-umsindo opholile ngokuvamile ubonisa isakhiwo esiminyene.

Ngaphezu kwalokho, ukunemba kobukhulu nokucubungula kubalulekile. Izinhlelo zokusebenza zasezimbonini zidinga amashidi e-graphite anokubekezelela kobukhulu ngaphakathi ±0.1 mm futhi abushelelezi, amaphethelo angenasici. Ngezidingo ezenziwe ngokwezifiso, khetha umhlinzeki osekela ukucutshungulwa okunembayo ukuze uqinisekise ukuhlanganiswa okungenazihibe nokokusebenza. Ukwelapha okungaphezulu (okufana nama-coatings noma ukupholishwa) kungathuthukisa ukumelana ne-oxidation noma izici ezivimbela{5}}ukunamathela.

Okokugcina, qinisekisa iziqu zomphakeli nemibiko yokuhlola. -Amashidi e-graphite ekhwalithi ephezulu kufanele anikeze-idatha yokuhlola yenkampani yangaphandle yamapharamitha angukhiye afana nokuqukethwe komlotha, amandla okuguquguquka, kanye ne-thermal conductivity. Uncamela i-ISO-enesitifiketi noma imboni-abakhiqizi abahloniphekile ukuze ugweme izindleko zokushintshwa ezivame ukuhlotshaniswa-nentengo ephansi,{7}imikhiqizo yekhwalithi ephansi{7}.

Ngamafuphi, ukukhethwa kwamapuleti e-graphite kudinga ukuhlolwa okuphelele kwezimo zangempela zokusebenza ezifana nezinga lokushisa, imidiya ebolayo, umthwalo wemishini, njll., kanye nebhalansi phakathi kokusebenza nezindleko ezisekelwe kuseluleko sochwepheshe ukuze kuzuzwe{1}}umsebenzi ozinzile wesikhathi eside.

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