Litsamaisong tsa boenjiniere tse nepahetseng haholo, khetho ea thepa ha se qeto ea litšenyehelo empa ke paramethara e hlalosang ts'ebetso. Metheo ea mochini, liforomo tsa metrology, mekhahlelo ea semiconductor, le meaho ea ho hokahanya mahlo li sebetsa maemong a mamello ho tloha ho li-micrometer ho ea ho li-nanometer. Litekanyong tsena, botsitso ba mocheso, ho tšoana ha meaho ea microstructure, ho damping vibration, le botsitso ba nako e telele li fetoha lithibelo tsa bohlokoa tsa boenjiniere.

Lihlopha tse peli tse hlahelletseng tsa thepa li sebelisoa haholo lefapheng lena: granite ea tlhaho le li-ceramics tse tsoetseng pele tsa boenjiniere (hangata thepa e thehiloeng ho alumina kapa silicon carbide). Leha ka bobeli li sebelisoa holitsamaiso tsa ho nepahala, tšimoloho ea tsona ea 'mele, meaho e menyenyane, le litšobotsi tsa ts'ebetso li fapana haholo.

Mekhoa ea indasteri e sebetsang hantle e ntlafalitsoeng ke bahlahisi ba kang ZHHIMG hangata e hlahloba thepa ena eseng e le e nkelang sebaka, empa e le litharollo tse fapaneng tse sebetsang bakeng sa meralo e fapaneng ea sistimi.

1. Metheo ea Saense ea Lintho tse bonahalang

1.1 Granite: Lisebelisoa tsa motsoako oa tlhaho oa Polycrystalline

Granite ke lefika le nang le mouoane le entsoeng ka ho etsa magma butle-butle. Sebopeho sa lona se entsoe haholo-holo ka:

• Quartz (SiO₂)
• Feldspar
• Mica

Litšobotsi tsa Meaho e Menyenyane

Granite ke thepa e fapaneng ea polycrystalline. Lithollo tsa eona li sekametse ka mokhoa o sa reroang, li etsa sebopeho se hokahaneng se fanang ka:

• Matla a phahameng a khatello
• Ho nyenyefatsa tlhaho ka lebaka la khohlano ea moeli oa lijo-thollo
• Boitšoaro ba Isotropic-ho-quasi-isotropic ka tekanyo ea macroscopic

Ho se tsitse hona ha se sekoli—ke tšimoloho ea ts'ebetso ea eona ea ho fokotsa matla.

1.2 Boenjiniere ba Ceramics: Lisebelisoa tse Laoloang tsa Polycrystalline kapa tse Sintered

Lisebelisoa tsa boenjiniere tsa letsopa (Al₂O₃, SiC, Si₃N₄) li etsoa ka:

• Ho tsoaka phofo
• Ho theha khatello e phahameng
• Ho sila mochesong o phahameng

Litšobotsi tsa Meaho e Menyenyane

Ho fapana le granite, li-ceramics ke:

• Lisebelisoa tse entsoeng ka polycrystalline
• Kabo e laoloang haholo ea boholo ba lijo-thollo
• Ho ba le masoba a tlase (lihlopheng tse tsoetseng pele)
• Marangrang a matla a covalent/ionic bonding

Sena se hlahisa:

• Ho thatafala ho hoholo haholo
• Ho thatafala ho hoholo
• Mamello e tlase ea sekoli

1.3 Phapang ea Motheo ea Sebopeho

2. Papiso ea Thepa ea Mekaniki

2.1 Modulus e Tenyetsehang le ho Tiea

Hangata li-ceramic tsa boenjiniere li bontša:

• Modulus ea Young: 300–450 GPa (SiC e phahameng)

Hangata granite e na le lintho tse latelang:

• Modulus ea Young: 50–80 GPa

Tlhaloso ea Boenjiniere

Li-ceramic li thata haholo, ho bolelang:

• Ho feto-fetoha ha elastic e tlase tlas'a mojaro
• Maqhubu a phahameng a resonance litsamaisong tsa meaho

Leha ho le jwalo, ho thatafala feela ha ho tiise botsitso ba sistimi.

2.2 Mekhoa ea ho Tiea ha Robeha le ho Hlōleha

Phapang ea bohlokoa ke boitšoaro ba ho robeha:

Lejoe la granite:

• Ho thatafala ha ho robeha ha ho bapisoa le li-ceramics
• Ho ata ha mapetso ho lieha ebile ho senya matla
• Tšenyo e atisa ho ba sebakeng se itseng

Lintho tsa letsopa:

• Ho tiea ha ho robeha ho tlase
• Mokhoa oa ho hloleha ha Brittle
• Ho ata ha mapetso ho potlakile hang ha khatello e matla e fihletsoe

Ena ke thibelo e kholo ea boenjiniere litsamaisong tsa ho jara tse feto-fetohang.

2.3 Boitšoaro ba ho Fokotsa ho Thothometsa

Lejoe la granite:

• Ho fifala haholo ka hare ho bakoa ke khohlano ea moeli oa lijo-thollo
• Ho fokotsa ka katleho ho thothomela ha maqhubu a mahareng ho isa ho a phahameng

Lintho tsa letsopa:

• Bokhoni bo tlase ba ho damping
• Ho thothomela ho ata ka katleho ka tahlehelo e fokolang ea matla

Sena se etsa hore granite e be ntle bakeng sa:

• Metheo ea mochini
• Liforomo tsa Metrology

Li-ceramics li loketse haholoanyane bakeng sa:

• Likarolo tse thata tse nyenyane
• Likarolo tsa mahlo tse tsitsitseng ka mocheso

3. Boitšoaro ba Mocheso le Botsitso

3.1 Katoloso ea Thermal Coefficient (CTE)

Tlhaloso

• Li-ceramic tsa silicon carbide li ka feta granite ka botsitso ba mocheso
• Granite e ntse e le tlholisano ka lebaka la boitšoaro ba katoloso ea isotropic

3.2 Ho Tsamaisa Mocheso

Liseramike (haholo-holo SiC):

• Ho khanna ha mocheso o phahameng
• Kabo e potlakileng ea mocheso
• Ho fokotseha ha maemo a mocheso sebakeng seo

Lejoe la granite:

• Ho tsamaisa mocheso ka tlase
• Ho hasana butle ha mocheso
• Ho se tsitse ha mocheso ho matla

Phapanyetsano ea Boenjiniere

• Li-ceramic li fokotsa li-gradients kapele
• Granite e fokotsa lebelo la ho thehoa ha gradient

Mekhoa ena ka bobeli e tsitsisa jiometri empa ka mekhoa e fapaneng.

3.3 Ho Tsamaisa Thermal ho Ditsamaiso tsa ho Nepahala

Ho phaphamala ha mocheso ho ama:

• Ho hokahanya Metrology
• Botsitso ba motsoako oa optical
• Ho pheta-pheta ha ho hokahanya ha mochini

Diserami di ipabola haholo maemong a ho lekanya mocheso ka lebelo le phahameng, ha granite e ipabola haholo maemong a mocheso a fetohang butle jwalo ka dilaboratori tsa metrology.

4. Matla a Matlatshebetso ho Ditsamaiso tsa ho Lokisa

4.1 Boitšoaro ba Resonance

Lintho tsa letsopa:

• Ho thatafala ho hoholo → maqhubu a tlhaho a phahameng
• E betere bakeng sa litsamaiso tsa micro-actuation tse potlakileng haholo

Lejoe la granite:

• Ho thatafala ho tlase → maqhubu a tlase a molumo
• Ho fokotsa mocheso ho betere ho fokotsa keketseho ea amplitude

4.2 Botsitso Tlas'a Tšitiso ea Kantle

Granite e monya matla ka:

• Khohlano ea moeli oa microcrack
• Ho feto-fetoha ha boemo ba lijo-thollo

Li-ceramic li fetisa matla ka ho toba haholoanyane, li hloka litsamaiso tsa ho damping tsa kantle lits'ebetsong tse ngata.

5. Litšitiso tsa Tlhahiso le Mechini

5.1 Ts'ebetso ea Granite

Granite e bōpehile ka:

• Ho seha
• Ho sila
• Ho letsa ka letsoho
• Ho hohla ka letsoho (maemong a maemo a holimo)

Melemo:

• Boitšoaro bo ka boleloang esale pele ba ho roala
• Ha ho liphetoho tsa mohato oa mocheso

Meeli:

• Ho rarahana ho lekanyelitsoeng ha jiometri
• Mokhoa oa ho qeta o liehang ka ho nepahala

5.2 Ts'ebetso ea Ceramic

Li-ceramic li hloka:

• Ho sebetsa ka botala pele ho siloa
• Taemane e siloa ka mor'a ho siloa
• Mekhoa ea lisebelisoa tse theko e phahameng

Melemo:

• Ho thatafala ho hoholo ha ho qetela
• Ho ka khoneha ho lokisa ts'ebetso e rarahaneng ea mocheso

Meeli:

• Ho tetebela ho hoholo nakong ea ho sebetsa
• Ketane ea tlhahiso e turang

6. 'Mapa oa Kopo ho Boenjiniere ba Nepahalo

6.1 Ditshebediso tse Khethiloeng tsa Granite

• Metheo ea Mochini o Lekanyang oa Coordinate (CMM)
• Litafole tsa litšupiso tsa Metrology
• Libenche tsa ho hokahanya mahlo
• Liforomo tsa tlhahlobo ea semiconductor
• Mekhoa ea ho tsamaea ha moea

6.2 Ditshebediso tse Khethiloeng tsa Ceramic

• Mekhahlelo ea wafer ea semiconductor
• Likarolo tsa mahlo tse potlakileng haholo
• Liipone tsa ho skena ka laser
• Likarolo tsa boemo bo nang le mocheso o phahameng
• Lisebelisoa tsa ho nepahala ha tekanyo e nyane

6.3 Meralo ea Sistimi e Kopantsoeng

Mekhoa ea sejoale-joale ea ho nepahala haholo e ntse e kopanya lisebelisoa tsena ka bobeli:

• Granite: motheo oa ho damping oa meaho
• Ceramic: dikarolo tse sebetsang tsa lehae tse thatafetseng haholo

Ho kopanya hona ho ntlafatsa:

• Botsitso boemong ba sistimi
• Taolo ea mocheso
• Karabelo e matla

7. Mekhoa ea Khetho ea Boenjiniere

Khetho ea thepa e laoloa ke lithibelo tsa boemo ba sistimi:

Haeba ntho ea bohlokoa e le:

• Ho thibela ho thothomela → Granite
• Ho thatafala ho feteletseng → Sekereiti
• Bokgoni ba litšenyehelo → Granite
• Ho tsamaisa mocheso → Sekereiti
• Motheo o moholo oa meaho → Granite
• Ho nepahala ha likaroloana tse nyane → Ceramic

8. Karolo ho Tikoloho ea Indasteri e Nepahetseng ka ho Fetisisa

Libakeng tsa tlhahiso ea semiconductor le tse tsoetseng pele, thepa ka bobeli e sebeletsa mesebetsi e tlatsetsang ho fapana le ea tlholisano.

Bahlahisi ba kang ZHHIMG ba kopanya thepa ka bobeli ho meralo ea ho nepahala ea mekhahlelo e mengata moo:

• Granite e hlalosa botsitso ba sebopeho sa lefats'e
• Li-ceramics li hlalosa ho nepahala ha ts'ebetso ea sebaka seo

Mokhoa ona oa moralo oa boemo ba sistimi o bohlokoa bakeng sa ho fihlela ts'ebetso ea sehlopha sa nanometer.

Qetello

Li-ceramic tsa granite le tsa boenjiniere li emela lifilosofi tse peli tse fapaneng ka ho feletseng tsa thepa boenjiniereng bo nepahetseng: e 'ngoe e thehiloe ho bōpeho ba kristale ea stochastic ea tlhaho, e 'ngoe e le moralo oa sebopeho sa microstructure se laoloang sa maiketsetso.

Granite e ipabola ka ho nyenyefatsa, ho tsitsa le ho ba le sebopeho se seholo, ha letsopa le laola ho tiea, ho tsamaisa mocheso le taolo e nepahetseng ea tekanyo e nyane. Ha ho le e 'ngoe ea thepa e phahametseng bokahohle; ho e-na le hoo, e 'ngoe le e 'ngoe e hlalosa ts'ebetso e ntle ka har'a sebaka sa eona sa ts'ebetso.

Litsamaisong tse tsoetseng pele tsa ho nepahala ho hoholo, bokamoso ha se ho nkela sebaka ha thepa empa ke ho kopanngoa ha thepa, moo granite le li-ceramic li kopanang hammoho e le mekhahlelo e sebetsang e tlatsanang lipolaneteng tse rarahaneng tsa metrology le tlhahiso.