Okokuqala, izinzuzo zesisekelo se-granite
Ukuqina okuphezulu kanye nokuguqulwa kokushisa okuphansi
Ukuminyana kwegwadle kuphezulu (cishe ku-2.6-2.8 g/cm³), futhi i-modulus ye-Young ingafinyelela ku-50-100 GPa, idlula kude leyo yezinto ezisetshenziswa zensimbi ezivamile. Lokhu kuqina okuphezulu kungavimbela ngempumelelo ukudlidliza kwangaphandle kanye nokuguqulwa komthwalo, futhi kuqinisekise ukuvuleka komhlahlandlela we-air float. Ngesikhathi esifanayo, i-coefficient yomugqa yokwandisa ye-granite iphansi kakhulu (cishe 5×10⁻⁶/℃), i-1/3 kuphela ye-aluminium alloy, cishe akukho deformation yokushisa endaweni yokuguquguquka kwezinga lokushisa, ifaneleka ngokukhethekile kumalabhorethri okushisa angashintshi noma izigcawu zezimboni ezinomehluko omkhulu wokushisa phakathi kwemini nobusuku.
Ukusebenza okuhle kokudambisa
Isakhiwo se-polycrystalline se-granite siyenza ibe nezici zemvelo zokudambisa, futhi isikhathi sokudlidliza sishesha izikhathi ezi-3-5 kunesensimbi. Enqubweni yokwenza imishini enembile, ingakwazi ukumunca ngempumelelo ukudlidliza kwemvamisa ephezulu njengokuqalisa nokuma kwemoto, ukusika ithuluzi, futhi igweme umthelela we-resonance ekunembeni kokuma kweplathifomu ehambayo (inani elijwayelekile lifika ku-±0.1μm).
Ukuzinza kwe-dimensional yesikhathi eside
Ngemva kwamakhulu ezigidi zeminyaka yezinqubo ze-geological kwakheka i-granite, ukucindezeleka kwayo kwangaphakathi kukhululwe ngokuphelele, hhayi njengezinto zensimbi ngenxa yokucindezeleka okusala okubangelwa ukuwohloka kancane. Idatha yokuhlola ibonisa ukuthi ukushintshwa kosayizi wesisekelo se-granite kungaphansi kuka-1μm/m phakathi nenkathi yeminyaka eyi-10, engcono kakhulu kunaleyo yensimbi ecijile noma izakhiwo zensimbi ezishiselwe.
Imelana nokugqwala futhi ayikukhathaleli
I-Granite ku-asidi ne-alkali, uwoyela, umswakama kanye nezinye izici zemvelo zinokubekezelelana okuqinile, asikho isidingo sokugqoka ungqimba oluphikisana nokugqwala njalo njengesisekelo sensimbi. Ngemuva kokugaya nokupholishwa, ubulukhuni obungaphezulu bungafinyelela ku-Ra 0.2μm noma ngaphansi, okungasetshenziswa ngokuqondile njengendawo yokuthwala yesitimela somhlahlandlela we-air float ukunciphisa amaphutha omhlangano.
Okwesibili, ukulinganiselwa kwesisekelo se-granite
Ukucubungula ubunzima kanye nenkinga yezindleko
I-Granite inobunzima be-Mohs obungu-6-7, obudinga ukusetshenziswa kwamathuluzi edayimane ukuze kugaywe ngokunemba, ukusebenza kahle kokucubungula kuyi-1/5 kuphela yezinto zensimbi. Isakhiwo esiyinkimbinkimbi se-dovetail groove, izimbobo ezinezintambo nezinye izici zezindleko zokucubungula ziphezulu, futhi umjikelezo wokucubungula mude (isibonelo, ukucutshungulwa kwe-platform ye-2m×1m kuthatha amahora angaphezu kuka-200), okuholela ekutheni izindleko ziphelele zingama-30% -50% ngaphezu kwe-platform ye-aluminium alloy.
Ingozi yokuphuka kwe-brittle
Nakuba amandla acindezelayo angafinyelela ku-200-300MPa, amandla aqinile egwadle yi-1/10 kuphela yawo. I-Brittle fracture kulula ukwenzeka ngaphansi komthwalo omkhulu womthelela, futhi umonakalo kunzima ukuwulungisa. Kuyadingeka ukugwema ukugxiliswa kwengcindezi ngokuklama kwesakhiwo, njengokusebenzisa uguquko lwamakhona ayindilinga, ukwandisa inani lamaphoyinti okusekela, njll.
Isisindo siletha ukulinganiselwa kwesistimu
Ubuningi begwadle buphindwe izikhathi ezingu-2.5 kunengxubevange ye-aluminium, okuholela ekwenyukeni okukhulu kwesisindo seplathifomu. Lokhu kubeka isidingo esiphezulu kumthamo wokuthwala wesakhiwo sokusekela, futhi ukusebenza okuguquguqukayo kungase kuthinteke izinkinga ze-inertia ezimweni ezidinga ukunyakaza kwesivinini esikhulu (njengetafula le-wafer ye-lithography).
I-anisotropy yezinto ezibonakalayo
Ukusatshalaliswa kwezinhlayiya zamaminerali egwadle yemvelo kuyaqondisa, futhi ubulukhuni kanye ne-thermal coefficient yokwandisa izikhundla ezihlukene kuhluke kancane (cishe ± 5%). Lokhu kungase kuthule amaphutha angenakunakwa eziplathifomu ezinembe kakhulu (ezifana nokuma kwe-nanoscale), adinga ukuthuthukiswa ngokukhetha izinto eziqinile kanye nokwelashwa kwe-homogenization (njengokubalwa kwezinga lokushisa eliphezulu).
Njengengxenye eyinhloko yemishini yezimboni enembayo ephezulu, isiteji esintantayo somoya esinembayo esinembayo sisetshenziswa kabanzi ekwenziweni kwe-semiconductor, ukucubungula optical, ukukala ukunemba neminye imikhakha. Ukukhethwa kwezinto eziyisisekelo kuthinta ngokuqondile ukuzinza, ukunemba kanye nempilo yesevisi yesikhulumi. I-Granite (i-granite yemvelo), enezici zayo ezibonakalayo eziyingqayizivele, isibe yinto ethandwayo yezisekelo zamapulatifomu anjalo eminyakeni yamuva.
Isikhathi sokuthumela: Apr-09-2025