(Ingxenye ye-Ceramic to Metal Assmebled PartIkhiqizwe nguWintrustek)

I.Uhlolojikelele lwezingxenye ezishiselwe nge-Ceramic-to-Metal

Izingxenye ezishiselwe nge-Ceramic-to-metalizingxenye eziwusizo zesakhiwo ezisebenzisa izinqubo zokushisela eziyinkimbinkimbi ukuze zinikeze amandla aphezulu, ukucinana kwegesi ephezulu, nokuxhumana okuthembekile kukagesi/okushisayo phakathi kwezinto zobumba nezensimbi. Ngokuvamile zisetshenziswa ezinhlelweni ezidinga ukumelana namazinga okushisa aphezulu, izingcindezi, noma izimo zevacuum.

II. I-Active Metal Brazing Technology

1. Izimiso Zobuchwepheshe Ezibalulekile

I-brazing yensimbi esebenzayo isebenzisa izinto ezisebenzayo (i-titanium, i-zirconium, i-hafnium, i-vanadium, njll.) kusigcwalisi sokubhula ukuze isabele ngokwekhemikhali ngezitsha zobumba, okuholela kungqimba oluboshwe ngamakhemikhali kusixhumi esibonakalayo se-ceramic-metal. Lezi zakhi ezisebenzayo zikhanga kakhulu umoya-mpilo, i-nitrogen, nekhabhoni. Ukushisisa endaweni engenalutho noma engasebenzi kudala izendlalelo zokusabela kwe-nanoscale (isb., TiO₂, TiN, TiC) endaweni yobumba. Lokhu kuvumela ukucwiliswa kwensimbi yokugcwalisa encibilikisiwe, okuholela kubhondi ethembekile "ye-ceramic-reaction layer-braze joint-metal".

2. Amapharamitha Enqubo Ebalulekile

2.1 Isistimu yensimbi ye-Brazing Filler:

• I-Ag-Cu-Ti: Izinga lemboni, ukusebenza okuhle kakhulu okuphelele

• I-Cu-Ti: Izindleko eziphansi, ukumelana nezinga lokushisa eliphezulu

• I-Au-Ni-Ti: Ukuthembeka okuphezulu, izinhlelo zokusebenza ze-aerospace

• I-Silver-Free Solder: Okwamadivaysi kagesi adinga ukuvinjelwa kokuhamba kwesiliva

2.2 Ukulawulwa Kwenqubo:

• Izidingo Zendawo: I-vacuum ephezulu (

• Ukulawula izinga lokushisa: 20–50°C ngaphezu kwe-solder liquidus (800–900°C kusistimu ye-Ag-Cu-Ti)

• Ukulawula Isikhathi: Imizuzu embalwa ukuya emaminithini angamashumi amabili, ukulinganisa ukuphelela kokusabela kanye nokuqina kongqimba lwesixhumi esibonakalayo

2.3 Inqubo:

• Ukwelashwa kwangaphambili: Ukuhlanzwa okunembayo kwama-ceramics kanye nokwelashwa kwe-metallization; ukususwa kwezingqimba ze-oxide ezingxenyeni zensimbi

• Ukuhlanganisa: Ukuhlanganiswa okunembile kwezithako zobumba, izingxenye zensimbi, ne-solder esebenzayo (0.05-0.2 mm)

• I-Vacuum Brazing: Ukuphuma → Ukushisisa okuhleliwe → Izinga lokushisa elibambayo → Ukupholisa okulawulwayo

• Ngemuva kokwelashwa: Ukuhlanza kanye nokuhlolwa kokuqala

III. I-Helium Mass Spectrometer Ukuvuza Ukuthola Ubuchwepheshe

1. Isidingo Sokuthola Ukuvuza

Izingxenye ezishiselwe nge-Ceramic-metal zisetshenziswa ezinhlelweni ezifunwa kakhulu njengamasistimu we-vacuum kanye nemishini ye-aerospace. Qinisekisa ukuthi ziyafeza umbandela othi "ukuvalwa ngokuphelele" (izilinganiso zokuvuza

2. Isimiso Sokuthola

Isebenzisa i-helium njenge-tracer gas, le ndlela isizakala ngosayizi wayo omncane wamangqamuzana, imvelo engasebenzi, kanye nokugxilwa kwengemuva eliphansi. I-Helium ingena ku-spectrometer enkulu ngokuvuza, i-ionized, ihlukaniswe yizibuthe, futhi itholwe umtshina okhethekile. Amandla esignali alingana nokuqukethwe kwe-helium, okuvumela ukubalwa kwesilinganiso sokuvuza okuyiso.

3. Izindlela Zokutholwa Eziyinhloko

Indlela 1: Indlela Yokuhogela (Ukuthola Ukuvuza Kwasendaweni)

Inqubo:

• Ingaphakathi le-workpiece liyakhishwa futhi lixhunywe kumtshina ovuzayo.

• Indawo yokushisela yangaphandle iskenwa ngesibhamu se-helium spray.

• Amasignali agadwa ngesikhathi sangempela ukuze athole ngokunembile izindawo ezivuzayo.

Izici:Ifanele ukuthola ukuvuza ezingxenyeni ezincane, ukuzwela okuphezulu.

Indlela 2:I-Helium Hood/Indlela Yokuvala (Ukuhlola Ubuqotho Bophawu Selonke)

Inqubo:

• Umsebenzi ugcwaliswa nge-helium futhi ufakwe ngaphakathi kwe-vacuum hood, noma i-hood/sniffer yangaphandle isetshenziselwa ukutholwa.

• I-helium eqoqiwe noma ephunyukayo itholakele.

Izici:Ikala isamba esingu-lisilinganiso se-eak; ilungele izingxenye zesakhiwo esiyinkimbinkimbi.

4. Ukugeleza Kokusebenza (Ukusebenzisa Indlela Yokuhogela Njengesibonelo)

4.1 Isigaba Sokulungiselela:

Ukuhlanzwa kwezinto zokusebenza, ukulinganiswa kwemishini, kanye nokuqinisekiswa kwesizinda se-helium yemvelo.

4.2 Ukuqaliswa Kokutholwa:

• I-workpiece ixhunywe ohlelweni lokuthola ukuvuza futhi ikhishwe kungcindezi yokusebenza.

• Ukufafaza kwe-Helium kuqala lapho ingcindezi yesistimu ifinyelela ku-≤0.1 Pa (ibanga lokufafaza isibhamu: 1-2 cm, ingcindezi: 0.1-0.2 MPa).

• Ukuskena okuhlelekile eduze komthungo wokushisela, okugxilwe ezindaweni zokucindezelwa kokushisa okugxilile.

4.3 Ukuhlaziywa Kwedatha:

• I-alamu iyacushwa uma izinga lokuvuza lidlula umkhawulo (isb., 1×10⁻⁹ Pa·m³/s).

• Amaphoyinti avuzayo amakwa, futhi izimo zokutholwa nedatha kuyarekhodwa.

4.4 Ukuhlola kabusha kanye nokubika:

Ukuhlolwa kabusha ngemva kokulungiswa, kulandelwa ukukhiqizwa kombiko wokuhlola ophelele.

5. Ukucatshangelwa Okukhethekile Namazinga

• Ukulungiswa Kwe-Ceramic-Specific: Gxila ekutholeni izifunda ezincane ze-microcrack ezibangelwa ukungezwani kokwanda okushisayo.

• Ukugreda Okuzwelayo: Kukhethwe ngokusekelwe kunkambu yesicelo; Izimfuneko zebanga le-aerospace zingafinyelela amazinga aqinile njengo-10⁻¹² Pa·m³/s.

• Ukuthobela Okujwayelekile: Ukubambelela kumazinga kazwelonke/ezempi, i-ASTM, noma izicaciso eziqondene nomkhakha.

• Ukuhlaziywa Kokwehluleka: Ukuhlaziywa kwe-Microstructural, njengokuhlukanisa i-metallographic kanye ne-electron microscopy (SEM) yokuskena, ukuthola amaphuzu avuzayo adlula amazinga.

I-Wintrustek izohlola ukuvuza kwe-helium kuzo zonke izingxenye ze-ceramic kuya kwezinsimbi. Sicela uhlole isixhumanisi esingezansi ukuze ubheke esivivinyweni sethu sokuvuza:

https://youtu.be/Et3cTV9yD_U?si=Yl8l7eBH5rON7I_f

IV. Izimo Zokusebenza Ezijwayelekile

• I-Power Electronics Packaging: Ukuxhumana phakathi kwama-substrates e-ceramic (AlN/Al₂O₃) nezendlalelo zethusi kumamojula e-IGBT.

• Izingxenye Zesistimu Ye-Vacuum: Izimpawu ze-Ceramic-to-metal kuma-accelerator ezinhlayiyana kanye nemishini ye-semiconductor.

• I-Aerospace: Izinzwa zenjini namafasitela avala imikhumbi-mkhathi.

• Amandla kanye ne-Optoelectronics: I-Fuel cell interconnects kanye nokupakishwa kwe-laser okunamandla amakhulu.

V. Isifinyezo

Ukubhula kwensimbi okusebenzayo kuyindlela eyisisekelo yokukhiqiza okuthembekilei-ceramic-to-metalokuhlanganayo, nokutholwa kokuvuza kwe-helium mass spectrometer esebenza njengezinga legolide lokuqinisekisa ubungako bawo bemvelo. Ukuhlanganiswa kwalobu buchwepheshe obubili kuqinisekisa ukwethembeka kwesikhathi eside kwezingxenye ezishiselwe ezimweni ezinzima. Ezinhlelweni zangempela, kubalulekile ukuthuthukisa amapharamitha wenqubo yokubhula bese ukhetha izindlela ezifanele zokuthola ukuvuza kanye namazinga okuzwela kuye ngesakhiwo socezu lokusebenza, izibaluli zezinto ezibonakalayo, nezidingo zohlelo lokusebenza. Le ndlela ithuthukisa isistimu yokulawula ikhwalithi evaliwe eqala kusukela ekwenziweni kuya kokuqinisekisa.