Ngokwezifiso 99.95% Isikebhe se-Tungsten W Sokuhwamuka
Izikebhe ze-tungsten ezisetshenziselwa ukuhwamuka ngokuvamile zikhiqizwa kusetshenziswa izinqubo ze-powder metallurgy. Okulandelayo yizinyathelo ezijwayelekile zokukhiqiza isikebhe se-tungsten sokuhwamuka:
Ukukhethwa kwempahla eluhlaza: Khetha impushana ye-tungsten yensimbi ehlanzekile, ngokuvamile enobumsulwa obungu-99.95%, njengento eyinhloko yokukhiqiza izikebhe ze-tungsten. Ukuhlanzeka okuphezulu kuqinisekisa ukungcoliswa okuncane ngesikhathi sokuhwamuka. Ukuxuba: Xuba ngokucophelela i-tungsten powder usebenzisa amathuluzi akhethekile ukuze uzuze ingxube ye-homogeneous kanye nezakhiwo zempahla ezingaguquki. I-Compaction: I-tungsten powder exutshwe ifakwa esikhunjeni bese kufakwa ukucindezela okuphezulu, ngokuvamile ngokucindezela okubandayo kwe-isostatic (CIP) noma ukucindezela uniaxial. Inqubo ihlanganisa impushana ibe yisimo esiminyene nesihambisanayo esifana nejometri yesikebhe esifunwayo. I-pre-sintering: Izingxenye ze-tungsten ezihlanganisiwe zifakwa ngaphambili emazingeni okushisa aphezulu endaweni elawulwayo, okuvumela izinhlayiya zempushana ukuthi zihlangane futhi zenze isakhiwo esiqinile samandla anda. I-Sintering: Izingxenye ezifakwe ngaphambili zibe ngaphansi kwenqubo ye-sintering ephezulu yokushisa endaweni engenalutho noma ye-hydrogen. Le nqubo iqhubeka igxilisa impahla, isuse izimbotshana ezisele, futhi ikhuthaze ukukhula okusanhlamvu, okuholela esikebheni esiqinile nesiminyene se-tungsten. Ukumayinisa nokuqeda: Ngemva kokucwilisa, isikebhe se-tungsten singakwazi ukwenza imisebenzi yomshini efana nokugaya, ukujika noma ukugaya ukuze kuzuzwe ubukhulu bokugcina, ama-grooves kanye nokuqedwa kwengaphezulu okudingekayo ukuze kuhwamuke ngendlela efanele yezinto ngesikhathi senqubo yokuhwamuka. Ukulawulwa Kwekhwalithi: Izikebhe ze-tungsten eziqediwe zihlolwa ukuze kubonakale ukunemba kobukhulu, ubuqotho bomhlaba kanye nokuhlanzeka kwempahla ukuze kuqinisekiswe ukuthi zihlangabezana nezidingo ezicacisiwe zezinhlelo zokusebenza zokuhwamuka.
Kuyo yonke inqubo yokukhiqiza, izinyathelo eziqinile zokulawula ikhwalithi kanye nokuqapha inqubo kubalulekile ukuze kuqinisekiswe ukuthi isikebhe se-tungsten sihlangabezana nezidingo eziqinile zenqubo yokufaka i-vacuum. Isikebhe esiwumphumela se-tungsten siyakwazi ukumelana namazinga okushisa aphezulu kanye nezindawo ezigqwalile, sisenze sifanelekele izinhlelo zokusebenza ezihlukahlukene zokuhwamuka kwe-vacuum kuzo zonke izimboni.
Izikebhe ze-Tungsten zivame ukusetshenziswa ezinqubweni zokuhwamuka kwe-vacuum, ikakhulukazi ukufakwa kwefilimu emincane kanye nokukhiqizwa kwe-semiconductor. Nazi ezinye izinhlelo zokusebenza ezibalulekile zokuhwamuka kwesikebhe se-tungsten:
Ukufakwa kwefilimu ezacile: Izikebhe ze-Tungsten zisetshenziswa enqubweni ye-physical vapor deposition (PVD) ukuze kuhwamuke izinsimbi nezinye izinto ku-substrate ukuze zenze amafilimu amancane anogqinsi nokwakheka okulawulwayo. Lokhu kusetshenziswa kakhulu ekukhiqizeni i-elekthronikhi ne-optical coatings kanye nokwelapha okuhlobisa nokusebenza okusebenzayo. Ukukhiqiza I-Semiconductor: Embonini ye-semiconductor, izikebhe ze-tungsten zivame ukusetshenziselwa ukufaka izinto zefilimu ezizacile njenge-aluminium, i-titanium nezinye izendlalelo zensimbi kumawafa e-silicon. Lesi isinyathelo esibalulekile sokwenziwa kwamasekethe adidiyelwe, amasistimu e-microelectromechanical (MEMS), nezinye izinto zikagesi. Ucwaningo Nokuthuthukiswa: Izikebhe ze-Tungsten zisetshenziswa endaweni yaselabhorethri kanye ne-R&D ukuze zihwamulise izinto ezisetshenziswayo ukuze kufundwe izakhiwo zazo, kuthuthukiswe izinto ezintsha zefilimu ezacile, futhi kuphenywe nobuchwepheshe bokuhlanganisa inoveli. Lokhu kubandakanya izikhungo zocwaningo lwezemfundo, amalabhorethri kahulumeni kanye nezinsiza ze-R&D zezimboni. Indawo ephezulu yokuncibilika ye-Tungsten kanye nokuzinza okuhle kakhulu kokushisa kuyenza ibe into efanelekile yeziphambano ezimise okwesikebhe ezisetshenziswa ezinqubweni zokuhwamuka. Izikebhe ze-Tungsten zingakwazi ukumelana namazinga okushisa aphezulu adingekayo ukuze kuhwamuke uhla olubanzi lwezinto ngaphandle kokuguquguquka okuphawulekayo noma ukuwohloka, kuqinisekiswe ukubekwa kwefilimu okungaguquki nokuthembekile. Ngaphezu kwalokho, ukungabi namandla kwawo kanye nokumelana nokusabela kwamakhemikhali kuwenza afanelekele ukuhwamuka kwezinto ezisebenzayo neziyingxubevange ezindaweni ezilawulwayo.
Sekukonke, izikebhe ze-tungsten zidlala indima ebalulekile ekufakweni kwefilimu elincanyana ngokunembayo futhi ziyingxenye ebalulekile ezimbonini ezihlukahlukene ezithembele kubuchwepheshe bokuhwamuka kwe-vacuum ukuze zenze izinto ezithuthukile nezisetshenziswa zikagesi.
| Igama Lomkhiqizo | Isikebhe se-Tungsten Sokuhwamuka |
| Okubalulekile | W1 |
| Ukucaciswa | Kwenziwe ngokwezifiso |
| Ubuso | Isikhumba esimnyama, i-alkali egeziwe, epholishiwe. |
| Icebo | Sintering inqubo, machining |
| Iphuzu elincibilikayo | 3400 ℃ |
| Ukuminyana | 19.3g/cm3 |
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