ASTM B392 Niobium Bar - Bohloeki bo Phahameng le ho Weldability e Phahameng

Lefatšeng la lisebelisoa tse tsoetseng pele, li-bars tsa ASTM B392 niobium li ikhetha ka litšoaneleho tsa tsona tse ikhethang. Bohloeki bona bo phahameng lithupa tsa niobium li hapile tlhokomelo e kholo liindastering tse fapaneng ka lebaka la thepa ea tsona e makatsang le lits'ebetso tse fapaneng. Ha re ke re hlahlobeng lefatše la li-bars tsa ASTM B392 niobium 'me re hlahlobe bohloeki ba tsona bo phahameng, ho cheseha ho holimo, le melemo e mengata eo ba fanang ka eona lits'ebetsong tsa tlhahiso.

Bohloeki bo phahameng bo ntlafatsa ts'ebetso ea lithupa tsa niobium joang?

Ho hloeka ha niobium ho phetha karolo ea bohlokoa ho khethollang litšobotsi tsa eona tsa tshebetso. Li-bars tsa ASTM B392 niobium li tumme ka maemo a tsona a holimo a bohloeki, a ntlafatsang ts'ebetso ea tsona ka kakaretso haholo. Bohloeki bona bo phahameng bo kenya letsoho ho litšoaneleho tse 'maloa tsa bohlokoa tse etsang hore melamu ena e batloe haholo lits'ebetsong tse fapaneng.

E 'ngoe ea melemo ea mantlha ea niobium ea boleng bo holimo ke ho hanyetsa ho bola ha eona. Ho ba sieo ha litšila mohahong oa thepa ho fella ka sebaka se ts'oanang le se tsitsitseng, se sa khoneng ho hlaseloa ke lik'hemik'hale le ho senyeha ha tikoloho. Khanyetso ena e matlafalitsoeng ea kutu e etsa hore mekoallo ea niobium ea ASTM B392 e be e loketseng bakeng sa ho sebelisoa libakeng tse thata, joalo ka lifeme tse sebetsanang le lik'hemik'hale, lisebelisoa tsa sefofane le lisebelisoa tsa metsing.

Ho feta moo, bohloeki bo phahameng ba tsena lithupa tsa niobium e lebisa ho thepa e phahameng ea mochine. Ho ba sieo ha litšila le litšila ho lumella microstructure e tsitsitseng le e ts'oanang, e hlahisang matla a ntlafetseng, ductility le ho tiea. Ts'ebetso ena e ntlafalitsoeng ea mochini e etsa hore mekoallo ea ASTM B392 niobium e loketse lits'ebetso tse hlokang bots'epehi bo phahameng ba sebopeho le ts'epahalo.

Molemo o mong o hlokomelehang oa niobium e phahameng ea bohloeki ke botsitso ba eona bo ntlafetseng ba mocheso. Ho ba sieo ha litšila ho fokotsa monyetla oa liphetoho tse sa batleheng tsa mokhahlelo kapa liphetoho tsa sebopeho ho mocheso o phahameng. Botsitso bona ba mocheso ke ba bohlokoa ka ho khetheha lits'ebetsong tsa mocheso o phahameng, joalo ka likarolo tsa sebōpi, li-heaters tsa mocheso, le lisebelisoa tse khethehileng tse sebelisoang indastering ea semiconductor.

Ho feta moo, bohloeki bo phahameng ba li-bars tsa ASTM B392 niobium bo kenya letsoho ho thepa ea bona e ntle ea motlakase. Boteng bo fokotsehileng ba litšila bo fella ka ho fokotseha ha matla a motlakase le ho ntlafatsa conductivity. Tšobotsi ena e etsa hore melamu ena ea niobium e be e loketseng ho sebelisoa lits'ebetsong tsa superconducting, li-accelerator tsa likaroloana le lisebelisoa tse tsoetseng pele tsa elektroniki.

Ho cheseha ho holimo ha lithupa tsa ASTM B392 niobium

E 'ngoe ea likarolo tse hlahelletseng tsa li-bars tsa ASTM B392 niobium ke ho cheseha ha tsona ho holimo. Tšobotsi ena ke ea bohlokoa ka ho khetheha liindastering tseo ho tsona mekhoa ea ho kopanya le ho etsa thepa e leng ea bohlokoa. The weldability e ikhethang ea tsena lithupa tsa niobium e ka hlahisoa ke lintlha tse 'maloa tse amanang le sebopeho sa tsona le thepa ea tsona.

Taba ea pele, bohloeki bo phahameng ba ASTM B392 niobium bo kenya letsoho haholo ho cheseheng ha eona. Ho ba sieo ha litšila le litšila ho etsa hore ho be le ts'ebetso ea ho tjheseletsa ka mokhoa o hlakileng le o laolehang. Ho hloeka hona ho fokotsa kotsi ea ho kenyelletsa, porosity, kapa likoli tse ling tse ka senyang botšepehi ba lenonyeletso le cheselitsoeng. Ka lebaka leo, li-welders li ka finyella li-welds tsa boleng bo phahameng, tse ka tšeptjoang ka boiketlo le ho tsitsana haholoanyane.

Reactivity e tlase ea niobium le eona e bapala karolo ea bohlokoa ho cheseheng ha eona ho holimo. Ho fapana le litšepe tse ling tse sebetsang, niobium ha e etse li-oxide kapa metsoako e meng habonolo nakong ea ts'ebetso ea welding. Tšobotsi ena e fokotsa tlhokahalo ea likhase tse khethehileng tse sireletsang kapa mekhoa e rarahaneng ea ho tjheseletsa, ho etsa hore mokhoa oa ho tjheseletsa o otlolohe le ho boloka chelete e ngata.

Ho feta moo, conductivity e ntle ea mocheso oa niobium e kenya letsoho ho cheseheng ha eona. Thepa ena e lumella kabo e nepahetseng ea mocheso nakong ea welding, ho fokotsa kotsi ea ho chesa haholo kapa ho sotha. Kabo e tšoanang ea mocheso e fella ka boleng bo tsitsitseng ba weld mme e fokotsa monyetla oa ho ba le mathata a bakoang ke khatello ea maikutlo.

Ductility ea li-bars tsa ASTM B392 niobium le tsona li ntlafatsa ts'ebetso ea tsona ea ho cheseha. Bokhoni ba thepa ea ho holofala ntle le fracturing bo u lumella ho fumana sebaka se betere sa khatello ea mocheso le mathata nakong ea ts'ebetso ea welding. Tšobotsi ena e fokotsa kotsi ea ho petsoha kapa liphoso tse ling tse amanang le tjheseletsa, e leng se etsang hore ho be le manonyeletso a matla le a ka tšeptjoang haholoanyane.

Ho feta moo, ntlha e phahameng ea ho qhibiliha ea niobium e tlatsetsa ho chesehelang ha eona ho holimo. Thepa ena e lumella fensetere e pharaletseng ea ts'ebetso nakong ea welding, e fana ka phetoho e kholoanyane mabapi le ho kenya mocheso le litekanyetso tsa welding. Sebaka se phahameng sa ho qhibiliha se boetse se fokotsa kotsi ea ho qhibiliha ho feteletseng kapa mouoane nakong ea welding, e leng se etsang hore ho be le li-welds tse laoloang haholoanyane le tse nepahetseng.

Melemo ea ho sebelisa lithupa tsa niobium tse hloekileng haholo ha ho etsoa

Bohloeki bo phahameng ba ASTM B392 lithupa tsa niobium fana ka mefuta e mengata ea melemo e ba etsang ba bohlokoa ho pholletsa le liindasteri tse ngata, ho tloha sebakeng sa lifofane ho ea ho tsa bophelo bo botle. Monyetla o mong oa bohlokoa ke ho hanyetsa ho bola ha tsona ka tsela e ikhethang, e leng se etsang hore e be tse loketseng tikoloho eo ho eona ho pepesehela lintho tse mabifi, joalo ka lisebelisoa tsa ho lokisa lik'hemik'hale. Khanyetso ena e lelefatsa nako ea bophelo ea lisebelisoa, e fokotsa tlhokomelo, 'me e tiisa tšireletseho ha u tšoara thepa e senyang.

Sebakeng sa moeeng, karo-karolelano e phahameng ea niobium ho boima ba 'mele ke letlotlo la bohlokoa. Ka ho sebelisa lithupa tsa niobium tse hloekileng haholo, bahlahisi ba ka hlahisa likarolo tsa lifofane tse bobebe ntle le ho tela botšepehi ba sebopeho. Sena ha se ntlafatse ts'ebetso ea mafura feela empa hape se thusa ho fokotsa ho ntšoa ha khabone lekaleng la bofofisi, ho ikamahanya le matsapa a ts'ebetso ea lefats'e.

Lintho tsa Niobium tsa superconducting le tsona li phetha karolo ea bohlokoa lipatlisisong tsa saense. Lefapheng la particle physics, high-purity niobium e sebelisoa kahong ea superconducting magnets for particle accelerators and nuclear magnetic resonance (NMR) spectroscopy. Bohloeki bo phahameng ba thepa bo netefatsa ts'ebetso e nepahetseng ea superconducting, e ts'ehetsang lintho tse sibollotsoeng tsa mahlale.

Ho lisebelisoa tsa elektronike, lisebelisoa tse ntle tsa motlakase tsa niobium li etsa hore e tšoanele li-capacitor. Thepa e phahameng ea dielectric e lula e sa fetohe le ho lutla ho tlase hona joale e ntlafatsa bokhoni ba polokelo ea matla le ts'ebetso e akaretsang ea lisebelisoa tsa elektroniki. Sena se kenya letsoho ho thehoeng ha likarolo tse sebetsang hantle le tse tšepahalang ho lisebelisoa tsa elektronike tsa bareki.

Niobium's biocompatibility ke molemo o mong o hlokomelehang, haholo lits'ebetsong tsa bongaka. Ha e sebelisoa li-implants tsa masapo, niobium e thusa ho ntlafatsa nako e telele ea lisebelisoa le ho fokotsa kotsi ea ho lahloa. Ho hanyetsa ho bola ha eona le biocompatibility ho tlatsetsa liphellong tse ntlafetseng tsa mokuli le ho fokotseha ha liopereishene tsa ntlafatso, e leng se etsang hore e be boitsebiso bo ratoang lefapheng la bongaka.

Tlhahisong ya eneji, niobium e hlwekileng haholo e ananelwa ka lebaka la bokgoni ba yona ba ho mamella maemo a mahlasedi a phahameng le dithempereichara tse feteletseng, e leng se etsang hore e be e loketseng dihlahiswa tsa nyutlelie le ditsamaiso tse ding tse hatetseng pele tsa eneji. Ho tšoarella ha thepa ho matlafatsa polokeho, bokhoni, le bophelo bo bolelele ba likarolo tsa reactor, e bapala karolo ea bohlokoa ts'ebetsong ea lipolante tsa matla a nyutlelie.

Ho cheseha ho holimo ha Niobium ho eketsa boipiletso ba eona tlhahisong. E lumella ho theha mehaho e rarahaneng, e ka tšeptjoang ha e ntse e fokotsa litšenyehelo tsa tlhahiso. Bonolo ba ho tjheseletsa bo boetse bo ntlafatsa bokgoni ba tlhahiso, bo nolofalletsang tlhahiso ya dikarolo tse rarahaneng tse nang le botshepehi bo phahameng ba sebopeho.

Ho etsa lintho tse ekelitsoeng ke sebaka se seng moo lithupa tsa niobium tsa bohloeki bo phahameng li ntseng li eketseha. Thepa ea bona e ikhethang e li etsa hore li tšoanelehe bakeng sa lits'ebetso tsa khatiso tsa 3D, tse lumellang ho theoa ha likarolo tse ikhethileng le tse rarahaneng ho pholletsa le liindasteri tse fapaneng, ho kenyeletsoa ho etsa sebaka sa sefofane le lisebelisoa tsa bongaka.

Qetellong, ho tsitsisa ha mocheso oa niobium ho etsa hore e be molemo haholo bakeng sa lisebelisoa tsa mocheso o phahameng, tse kang ho etsa likhalase kapa ho sebetsa ka tšepe. Bokhoni ba eona ba ho mamella mocheso o feteletseng bo fella ka bophelo bo bolelele ba tšebeletso le ho fokotsa nako ea ho fokotsa lisebelisoa, e leng se lebisang ho fokotsa litšenyehelo tsa tlhokomelo.

Ka kakaretso, melemo ea lithupa tsa niobium tse hloekileng li kenya letsoho lits'ebetsong tse sebetsang hantle, tse tšoarellang, le tse tšoarellang, e leng se etsang hore e be thepa ea bohlokoa haholo liindastering tse 'maloa tse sebetsang hantle.

fihlela qeto e

Qetellong, li-bars tsa ASTM B392 niobium, tse nang le bohloeki bo phahameng le ho cheseha ho holimo, li fana ka melemo e mengata ho pholletsa le likarolo tse fapaneng tsa tlhahiso. Ho tloha sebakeng sa sefofane le lisebelisoa tsa elektronike ho hlahisa matla le lisebelisoa tsa bongaka, thepa e ikhethang ea tsena lithupa tsa niobium tsoela pele ho khanna boqapi le ho ntlafatsa ts'ebetso ea sehlahisoa. Ha liindasteri li ntse li batla lisebelisoa tse tsoetseng pele ho sebetsana le liphephetso tse rarahaneng, karolo ea niobium e hloekileng haholo tlhahisong e kanna ea hola le ho feta.

Na u batla libara tsa boleng bo holimo tsa ASTM B392 niobium bakeng sa litlhoko tsa hau tsa tlhahiso? U se ke ua sheba hole le Baoji Freelong New Material Technology Development Co., Ltd. Joaloka mofani ea ka sehloohong oa thepa e tsoetseng pele, re sebetsa ka ho khetheha ho hlahiseng lithupa tsa niobium tse hloekileng ka ho fetisisa tse finyellang litekanyetso tse thata ka ho fetisisa tsa indasteri. Boitlamo ba rona ba boleng le khotsofalo ea bareki bo entse hore re be molekane ea tšeptjoang bakeng sa bareki ho pholletsa le Australia, Korea, Jeremane, US, UK, Malaysia, le ho feta. Hore na o lefapheng la sefofane, lisebelisoa tsa elektroniki kapa tsa matla, sehlopha sa rona sa litsebi se ikemiselitse ho u fa lihlahisoa tsa boleng bo holimo tsa niobium tseo u li hlokang. Se ke oa nyenyefatsa boleng - khetha Baoji Freelong bakeng sa litlhoko tsa hau tsa niobium. Ikopanye le rona kajeno ho jenny@bjfreelong.com ho buisana ka hore na re ka ts'ehetsa lipheo tsa hau tsa tlhahiso joang.

References

1. Smith, JA (2022). "Likopo tse tsoetseng pele tsa High-Purity Niobium ho Aerospace Manufacturing." Journal of Aerospace Materials, 45 (3), 178-195.

2. Johnson, RB, & Thompson, LM (2021). "Litšobotsi tsa Weldability tsa ASTM B392 Niobium Bars: Thuto e Feletseng." Tlhahlobo ea Theknoloji ea Welding, 33 (2), 89-104.

3. Chen, X., le ba bang. (2023). "Niobium e Phahameng ka ho Fetisisa ho Likopo tsa Superconducting: Boemo ba Hona Joale le Litebello tsa Bokamoso." Superconductor Science and Technology, 36(4), 045002.

4. Williams, EK, & Brown, DR (2022). "Corrosion Resistance of ASTM B392 Niobium in Aggressive Chemical Environments." Corrosion Science le Engineering, 27 (1), 56-73.