izinga lokushisa eliphezulu le-tungsten alloy pot crucible for laboratory
Ukushisa okuphezulu kwe-tungsten crucible kuncike ezintweni ezithile ze-tungsten alloy kanye nenqubo yokukhiqiza. Ngokuvamile, ama-tungsten crucibles angakwazi ukumelana namazinga okushisa angaphezu kuka-3000°C (5432°F), okuwenza afanelekele ukucubungula izinto ezidinga izinga lokushisa eliphezulu kakhulu, njengokuncibilika nokujikijelwa kwezinsimbi, izitsha zobumba, nezinye izinga lokushisa eliphezulu. izinto zokwakha. Kodwa-ke, ukwakheka kwengxubevange ethile kanye nokusebenzisana okungase kube khona nokokusebenza okucutshungulwayo kudinga ukucatshangelwa ukuze kuqinisekiswe ukusebenza okuqinile ngaphezu kwebanga lokushisa elilindelekile.
Yebo, ama-tungsten crucibles angasetshenziswa ngezinsimbi ezahlukene, kodwa kubalulekile ukucabangela ukuhambisana kwe-crucible material nensimbi ethize ecutshungulwayo. Ama-Tungsten crucibles avame ukukhethwa ngenxa yokumelana kwawo namazinga okushisa aphezulu kanye nokugqwala kwamakhemikhali, okuwenza afanelekele ukuncibilika kwensimbi okuhlukahlukene nokucubungula izinhlelo zokusebenza. Kodwa-ke, izinsimbi ezithile noma ama-alloys ensimbi angase abe nokusebenzisana okuthile nokokusebenza okuphehlayo, njengokusabela okungaba khona noma ukungcola, okungase kuthinte ikhwalithi yezinto ezicutshunguliwe. Ngakho-ke, izinto ezisetshenziswayo kufanele zihlolwe ukuhambisana nezinsimbi ezithile kanye nama-alloys asetshenziselwa ukuqinisekisa ubuqotho bokuncibilika nokusebenza kokucubungula. Ukwengeza, ukuhlanzwa okufanele nokugcinwa kwezinsimbi phakathi kokusebenza kwensimbi okuhlukile kubalulekile ukugwema ukungcoliswa okuphambene nokuqinisekisa ukusebenza okungaguquki.
Ama-alloys aphezulu ancibilika afaka:
1. Ingxubevange esekwe ku-Tungsten: I-Tungsten inezindawo ezincibilika eziphakeme kakhulu kuzo zonke izinsimbi, futhi ama-alloys ayo njenge-tungsten-rhenium, i-tungsten-molybdenum, njll. iphinde ibonise amaphuzu aphezulu ancibilikayo.
2. Ama-alloys asekelwe ku-molybdenum: I-Molybdenum nama-alloys ayo, njenge-molybdenum titanium zirconium (TZM) ne-molybdenum lanthanum oxide (ML), anamaphuzu aphezulu okuncibilika futhi asetshenziswa ekufakweni kwezinga lokushisa eliphezulu.
3. Ama-alloys ensimbi aphikisayo: Ama-alloys aqukethe izinsimbi eziphikisayo njenge-niobium, i-tantalum, ne-rhenium aziwa ngamaphoyinti awo aphezulu ancibilika futhi asetshenziswa ezindaweni ezinezinga lokushisa eliphezulu.
Lawa ma-alloys avame ukusetshenziswa ku-aerospace, ukuzivikela kanye nezicelo zezimboni ezisezingeni eliphezulu ezidinga izinto ezinokumelana nokushisa okuhle kakhulu.
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