Emhlabeni wokukhiqiza izimboni, kuhlale kunezingxenye ezimise okukhethekile ezinikeza onjiniyela ikhanda - zingase zibe amapayipi agobile ensimbini enembayo noma izakhiwo zokusekela ezinemifantu eyinkimbinkimbi emishinini yokushisa ephezulu. Lezi zingxenye, ezaziwa ngokuthi "izingxenye zangaphandle," ngokuvamile kunzima ukuzenza ngezinto ezijwayelekile ngenxa yokwakheka kwazo okuhlukile kanye nezindawo zokusebenza ezinokhahlo. Namuhla, i-silicon carbide, into ebonakala ingabalulekile, ishintsha yonke into buthule.
Izinzuzo ezingokwemvelo zezinto ngokwazo
Ukuze uqonde ukuthi kunganii-silicon carbideiyakwazi ukwenza ngokwezifiso izingxenye ezingajwayelekile, okokuqala sidinga ukubheka "umthethosisekelo" wayo. Le nto ngokwemvelo iphethe “izakhi zofuzo ezinhle kakhulu” ezidingekayo ekukhiqizeni izimboni: ubulukhuni bayo bungokwesibili ngemva kwedayimane, kodwa ingakwazi ukumelana noshintsho olunamandla lokushisa njengensimbi; Ibhekene nokugqwala kwama-asidi aqinile nama-alkali, ihlala inganyakazi; Ngisho nasemazingeni okushisa aphakeme eduze nelanga, isengakwazi ukulondoloza ukuma okuzinzile.
Le nhlanganisela yezici ivumele i-silicon carbide ukuthi iwine emgqeni wokuqala kusukela ekuqaleni. Ake ucabange ukuthi ngenkathi ezinye izinto zisalwa nokuthi zingenziwa yini kulo mumo, i-silicon carbide isivele icubungula ukuthi ingenziwa kanjani ibe ngcono. Amandla ayo aphezulu nokuzinza kuvumela abaklami ukuthi bagweme ukulungisa idizayini yesakhiwo yoqobo ukuze ihambisane nezakhiwo zempahla.
'Umlingo wokubumba' oguquguqukayo noguquguqukayo
Ukuba nezinto ezinhle kuphela akwanele. Ukuze uguqule i-silicon carbide ibe izingxenye ezihlukahlukene eziyinqaba, "umlingo wokubumba" okhethekile uyadingeka. Onjiniyela kulezi zinsuku sebefunde amasu ahlukahlukene okwenza i-silicon carbide “ilalele”:
Ubuchwepheshe bokucindezela obubandayo be-isostatic bufana nokubeka “ingubo ebambayo eqinile” ekhethekile ku-silicon carbide powder. Ngaphansi kwengcindezi ephezulu, i-powder inganamathela ngokulinganayo kuyo yonke imininingwane yesikhunta, ngisho nemigodi eyinkimbinkimbi namaphethini acashile angaphindaphindwa ngokunembile. Ubuchwepheshe be-laser eqondiswa ngamanzi bufana “nommese wokuhlinza” ontekenteke, usebenzisa ukugeleza kwamanzi ngesivinini esiphezulu ukuze uqondise i-laser futhi uqophe izakhiwo eziyinkimbinkimbi eziyinkimbinkimbi ku-silicon carbide, engeke ibangele ukuqhekeka kwezinto futhi ingaqinisekisa ukuthi indawo ibushelelezi.
Lokhu kuphumelela kwezobuchwepheshe kukhulule i-silicon carbide kulebula yezitsha zobumba zendabuko njengokuthi "i-brittle, iqinile, futhi kunzima ukuyicubungula". Njengokubumba ngobumba benjoloba, ubuchwepheshe bamanje buvumela i-silicon carbide powder ukuthi iqale yakha umzimba oseduze nokuma kwawo kokugcina, bese ingena emazingeni okushisa aphezulu ukuze ibe umkhiqizo oqediwe onzima, kunciphisa kakhulu ubunzima bokucubungula okulandelayo.
Isibopho Esinokwethenjelwa Ezimweni Ezibucayi
Kungani kufanele senze umzamo omkhulu kangaka ekusebenziseni i-silicon carbide ukwenza izingxenye ezingajwayelekile? Ngoba izikhathi eziningi, lezi zingxenye ezimise okukhethekile kufanele zisebenze ezindaweni ezinzima kakhulu.
Eketelani eliqinile le-asidi yesitshalo samakhemikhali, ipayipi elimise okwe-silicon carbide lingamelana nokugqwala; Endaweni yokushisa ephezulu yezinjini zezindiza, abakaki abamise okwe-silicon carbide bangakwazi ukumelana nokuhlolwa kwezinkulungwane zamadigri; Emishinini enembayo yokukhiqiza i-semiconductor, izingxenye ezimise okwe-silicon carbide zingagcina ukunemba okuzinzile. Kulezi zimo, umumo okhethekile ahloselwe ukubukeka kahle, kodwa ukufeza imisebenzi ethile - kungase kube ukwenza ukugeleza koketshezi kube lula, noma kungase kube ukukhipha ukushisa ngokulinganayo.
Ukuhluka kwe-silicon carbide kusekhonweni layo lokuhlangabezana nezidingo zokuklama zezakhiwo ezingajwayelekile kanye nokusebenza ngokwethembeka ezindaweni ezidlulele isikhathi eside. Le nhlanganisela yokuqina nokuvumelana nezimo ikwenze kwaba ukwaziswa okuthandwayo enanini elikhulayo lemikhakha yezimboni.
Ikusasa lokukhiqiza okwenziwe ngokwezifiso
Ngokuthuthuka kobuchwepheshe bokukhiqiza, amandla okwenza ngokwezifiso izingxenye ezimise okwe-silicon carbide athuthuka njalo. Kusukela kuma-microstructures amamilimitha ambalwa kuya ezingxenyeni ezinkulu amamitha ambalwa ubude, kusukela ekugobeni okulula kuya ku-polyhedra eyinkimbinkimbi, i-silicon carbide yephula ukuqonda kwabantu okungokwemvelo kwezinto zobumba.
Emabhizinisini, lokhu kusho amathuba amaningi amasha - akusadingeki ukuthi kukhawulwe imibono yedizayini yezingxenye ezijwayelekile, kanye nokukwazi ukuhlanganisa izixazululo ezifanele ngokusekelwe ezidingweni zangempela. Kuwo wonke umkhakha wezimboni, ukuduma kwezingxenye ezimise okwe-silicon carbide kuqhuba ukuthuthukiswa kwemishini ekufezekiseni ukusebenza kahle okuphezulu, ukuqina, nokunemba.
Le nto yomlingo, “namandla aqinile” kanye “nobuciko bezandla” bayo, iguqula imiklamo engajwayelekile eyayikade isepulani ibe amandla asebenzayo aqhuba inqubekelaphambili yezimboni.
Isikhathi sokuthumela: Aug-01-2025