Ishingiro ry'Itanura ry'Ubushyuhe rya Crystal imwe: Guhishura Amabanga y'Ubushyuhe bwa Graphite Isuku Nyinshi

Ipfundo ry'itanura rimwe rikuramo kristu ni cyo gikoresho cy'ingenzi mu gukora kristu, kandi imiterere yaryo y'ubushyuhe igira ingaruka zitaziguye ku buziranenge n'ubwiza bwa kristu. Nk'igice cy'ingenzi cy'itanura, icyuma gishyushya cya grafiti gifite ubushyuhe bwinshi gitanga ubwiza buhebuje bw'ubushyuhe, kidahinduka mu bushyuhe bwinshi, kandi gikomeza gukora neza mu gihe cy'ubushyuhe bukabije.

Igice cy'ubushyuhe kigizwe naibyuma bishyushya bya grafiti, ibikoresho bya grafiti, silinda zo gushyushya, n'ibindi bice. Mu kugenzura neza ikwirakwizwa ry'ubushyuhe, bishimangira ko habaho uburinganire n'ubwuzuzanye mu gihe cyose cyo gukura kwa kristu. Iyi sosiyete yihariye mu bushakashatsi, guteza imbere no gukora imirima y'ubushyuhe ya grafiti ifite ubuziranenge bwinshi, itanga ibisubizo by'ubushyuhe buhanitse ku itanura rimwe rikuramo kristu. Ifite ingano ya karuboni ≥99.9%, iyi mirima y'ubushyuhe ikoreshwa cyane mu nganda zikora ibikoresho bya semiconductor, photovoltaics, n'izindi nganda, byujuje ibisabwa bikomeye ku kristu zifite ubuziranenge bwinshi.

Imikorere myiza y’ibice by’ubushyuhe bya grafiti ifite isuku nyinshi ituruka ku miterere yabyo yihariye ya kristu n’ubuziranenge bwinshi. Mu bushyuhe bw’icyumba, ibi bikoresho bigaragaza imiterere ihamye aho atome za karuboni zigira urusobe rwa hexagonal binyuze mu miyoboro ya sp² hybridized, bigatanga amashanyarazi n’ubushyuhe budasanzwe. Mu bidukikije bifite ubushyuhe bwinshi, ibice by’ubushyuhe bya grafiti bifite isuku nyinshi bishobora kwihanganira ubushyuhe buri hejuru ya 1600°C mu gihe bikomeza kugumana ubuziranenge bwa shimi, bikarinda ingaruka ku bikoresho nka silikoni ishongeshejwe.

Mu bijyanye n'inganda, iyi gahunda ikubiyemo guhitamo ibikoresho fatizo, kubikora, kubitunganya no kubitunganya. Ibikoresho fatizo birasenywa bigahindurwamo ifu ingana na mikoroni, kandi imyanda nka sulfur na oxyde z'icyuma ikurwaho binyuze mu gukaraba aside. Mu gihe cyo kubikora, ibikoresho bikora hakoreshejwe imashini zikoresha ingufu cyangwa ikoranabuhanga rya isostatic pressing, aho igitutu kirenga 200 MPa cyongera ubucucike bw'ibikoresho. Iyi gahunda yo kubitunganya ibera mu itanura rishyuha cyane riri hejuru ya 2000°C, bigatuma atome za karuboni zisubiramo no gukora imiterere ya kristu. Gutunganya bikorwa mu kirere kidafite ogisijeni ishyuha cyane binyuze mu gukora carbonization, byongera ingano ya karuboni hafi 99.99%.

Mu bikorwa bifatika, imirima y’ubushyuhe ya grafiti ifite ubuziranenge bwinshi ihura n’imbogamizi nko kugenzura ubushyuhe no kuramba kw’ibikoresho. Mu kunoza imiterere y’imihanda y’ubushyuhe—nk’uburyo bwo guhindura uburyo ingufu zikoreshwa mu gushyushya no kunoza imiterere y’uburyo bukonjesha—igenzura ryimbitse ry’ubushyuhe rishobora kugerwaho, bityo bikazamura ireme ry’ubwiza bwa kristu. Urugero, gukoresha ibikoresho byo gushyushya bifite urwego rwinshi n’imiterere y’imiyoboro ikonjesha neza bigabanya ubushyuhe kandi bikongera imikorere myiza y’ubushyuhe. Kuramba bishobora kongerwa binyuze mu ikoranabuhanga ryo gutunganya ubuso; urugero, irangi rya silicon carbide rishobora kongera ubudahangarwa bw’ubushyuhe inshuro zirenze eshatu, bikongera igihe cy’ubuzima bw’imihanda y’ubushyuhe. Iri terambere ry’ikoranabuhanga rituma habaho imikorere ihamye mu itanura rimwe rikura kandi rikongera ubuziranenge n’ubuziranenge bwa kristu, rigahura n’ibisabwa bikomeye n’inganda za semiconductor na photovoltaic.

Nk'igice cy'ingenzi cy'amatanura yo gukuraho kristu imwe, imikorere y'ubushyuhe bwa grafiti ifite ubuziranenge buhanitse igena neza ubwiza bwa kristu n'umusaruro wayo. Hamwe n'iterambere rikomeje mu ikoranabuhanga, inzira zo gukora zikomeje gutera imbere kandi imiterere y'ibikoresho ihora irushaho kwiyongera. Ikoranabuhanga ryo gutunganya ibidukikije—nk'uburyo bwo kugabanya umwuka wa methanol n'uburyo bwo kugabanya ubushyuhe bw'amazi—ntiririnda gusa kwanduza ibidukikije ahubwo rinatuma habaho umusaruro munini. Ibikoresho bya composite, birimo silicon carbide-reinforced ceramic matrix composites, byabaye ahantu hakomeye mu bushakashatsi bitewe n'ubushyuhe bwabyo bwiza n'imiterere ya mekanike. Hagati aho, ikoreshwa rya nanotechnology ryongera cyane imikorere y'ubushyuhe n'imikorere ya mekanike, nko muri carbon nanotube-reinforced composites.

Mu gihe urebye imbere, ubushyuhe bwa grafiti ifite ubuziranenge bwinshi buzakomeza gutera imbere mu guhanga udushya mu ikoranabuhanga ryo gukura kwa kristu. Binyuze mu bushakashatsi burambye n'iterambere, hazagerwaho iterambere ryinshi mu buziranenge bwa kristu n'ubwiza bwazo, bihuze n'ibyifuzo biri kwiyongera ku isoko by'inganda za semiconductor na photovoltaic kandi bitange inkunga y'ingenzi mu gukora kristu ifite ubuziranenge bwinshi.