Litaba
-
Lintlha le lipalo tsa Molybdenum
Molybdenum: Ke ntho e etsahalang ka tlhaho e ileng ea khetholloa ka 1778 ke Carl Wilhelm Scheele, rasaense oa Sweden ea ileng a sibolla oksijene moeeng. E na le e 'ngoe ea libaka tse phahameng ka ho fetisisa tse qhibilihang ho feta likarolo tsohle empa boima ba eona ke 25% feela ea tšepe e kholoanyane. E fumaneha ka mefuta e fapaneng ea ores, empa ke molybdenite feela ...Bala haholoanyane -
Tungsten isotope e thusa ho ithuta mokhoa oa ho abela li-reactor tsa fusion tsa nakong e tlang
Bokahare ba li-reactors tsa matla a nyutlelie tsa nakong e tlang li tla ba har'a libaka tse thata ka ho fetisisa tse kileng tsa hlahisoa Lefatšeng. Ke eng e matla ka ho lekaneng ho sireletsa bokahare ba mochini o kopanyang mocheso ho tsoa mochesong o hlahisoang ke plasma o tšoanang le lishuttle tsa sepakapaka tse kenang sepakapakeng sa Lefatše? Bafuputsi ba ORNL ba ...Bala haholoanyane -
Bafuputsi ba bona sebopeho sa crack ho tungsten e hatisitsoeng ea 3-D ka nako ea sebele
E ithorisa ka lintlha tse phahameng ka ho fetisisa tse qhibilihang le tse belang tsa lintho tsohle tse tsebahalang, tungsten e fetohile khetho e tsebahalang bakeng sa lits'ebetso tse kenyelletsang mocheso o feteletseng, ho kenyeletsoa likhoele tsa lebone la lebone, li-arc welding, ts'ireletso ea radiation, 'me haufinyane tjena, e le lisebelisoa tse shebaneng le plasma ho li-reactor tse kopaneng joalo ka. ..Bala haholoanyane -
Weldability ea Tungsten le lisebelisoa tsa eona
Tungsten le lialloi tsa eona li ka kopanngoa ka katleho ke tjheseletsa ea tungsten-arc ea khase, tjheseletso ea khase ea tungsten-arc braze, welding ea electron beam le ka ho beha mouoane oa lik'hemik'hale. The weldability ea tungsten le alloys ea eona e mengata e kopantsoeng ke arc casting, powder metallurgy, kapa chemical-vapor depositi...Bala haholoanyane -
Mokhoa oa ho etsa terata ea Tungsten?
Ho etsa terata ea tungsten ke mokhoa o rarahaneng, o thata. Ts'ebetso e tlameha ho laoloa ka thata e le ho tiisa k'hemistri e nepahetseng hammoho le thepa e nepahetseng ea terata e phethiloeng. Ho fokotsa likhutlo pele ho ts'ebetso ea ho fokotsa litheko tsa terata ho ka baka ts'ebetso e mpe ea fin ...Bala haholoanyane -
Theko ea Tungsten ea Chaena e ne e le Sebakeng se Phahameng ka Bohareng ba Phupu
Theko ea tungsten ea China e ne e le maemong a holimo bekeng e felileng ka Labohlano Phupu 17, 2020 ka mor'a kholiseho e matlafalitsoeng ea 'maraka le tebello e ntle bakeng sa phepelo le mahlakore. Leha ho le joalo, ha ho nahanoa ka ho se tsitse ha moruo le tlhokahalo e batlang e fokola, litumellano li thata ho eketseha ka nako e khutšoanyane ...Bala haholoanyane -
Mechini ea mehala ea tungsten ka mor'a kalafo ea deformation ea libaesekele
1. Selelekela Lithapo tsa Tungsten, tse nang le botenya ho tloha ho tse 'maloa ho isa ho tse mashome a li-micro-meter, li entsoe ka polasetiki hore e be li-spiral' me li sebelisetsoa mehloli ea khanya le ea ho khantša. Ho etsa terata ho ipapisitse le theknoloji ea phofo, ke hore, phofo ea tungsten e fumanoang ka ts'ebetso ea lik'hemik'hale ...Bala haholoanyane -
Tungsten e kanna ea se be sethunya se setle sa ho etsa likulo tse 'tala'
Ka boiteko bo ntseng bo tsoela pele ba ho thibela lithunya tse thehiloeng ho loto e le kotsi e ka bang kotsi ea bophelo bo botle le tikoloho, bo-rasaense ba tlaleha bopaki bo bocha ba hore sesebelisoa sa mantlha sa likulo - tungsten - e kanna ea se be sebaka se setle. ...Bala haholoanyane -
Boithuto bo hlahloba tungsten libakeng tse feteletseng ho ntlafatsa lisebelisoa tsa fusion
fusion reactor ha e le hantle ke botlolo ea makenete e nang le lits'ebetso tse ts'oanang tse etsahalang letsatsing. Lifuso tsa Deuterium le tritium lia kopana ho etsa mouoane oa li-ion tsa helium, li-neutron le mocheso. Ha khase ena e chesang, e nang le ionized - e bitsoang plasma - e chesa, mocheso oo o fetisetsoa metsing ho etsa mouoane ho fetola li-turbine ...Bala haholoanyane -
Ho tloha ho cobalt ho ea ho tungsten: likoloi tsa motlakase le li-smartphone li hlahisa mofuta o mocha oa lebelo la khauta
Ho na le eng ka har'a lintho tsa hau? Bongata ba rōna ha re nahane ka thepa e etsang hore bophelo ba kajeno bo khonehe. Leha ho le joalo theknoloji e kang lithelefono tse bohlale, likoloi tsa motlakase, lithelevishene tse kholo tsa skrine le tlhahiso ea matla a tala e itšetlehile ka mefuta e mengata ea lik'hemik'hale eo batho ba bangata ba e-s'o ka ba e utloa. Ho fihlela qetellong ...Bala haholoanyane -
Tungsten e le tšireletso ea mahlaseli a linaleli?
Sebaka se belang sa likhato tse 5900 tsa Celsius le boima bo kang ba daemane bo kopantsoeng le carbon: tungsten ke tšepe e boima ka ho fetisisa, leha ho le joalo e na le mesebetsi ea likokoana-hloko-haholo-holo ho likokoana-hloko tse ratang mocheso. Sehlopha se etelletsoeng pele ke Tetyana Milojevic ho tsoa Lefapheng la Khemistri Univesithing ea Vienna se tlaleha bakeng sa ...Bala haholoanyane -
Bo-rasaense ba etsa hore tantalum oxide e sebetse bakeng sa lisebelisoa tse matla haholo
Bo-rasaense ba Univesithing ea Rice ba thehile theknoloji ea memori ea boemo bo tiileng e lumellang hore ho be le polokelo e phahameng ka ho fetisisa e nang le liphoso tse fokolang tsa k'homphieutha. Mehopolo e thehiloe ho tantalum oxide, e leng insulator e tloaelehileng ea elektronike. Ho kenya motlakase ho sandwich ea graphene e botenya ba 250-nanometer...Bala haholoanyane