Lefapha la Khoebo la United States le phatlalalitse ka la 24 Loetse hore le qalile "lipatlisiso tse 232" mabapi le hore na ho kenngoa ha Neodymium-iron-boron magnets e sa feleng (Neodymium-iron-boron permanent magnets) ho senya ts'ireletso ea naha ea United States.Ena ke "lipatlisiso tse 232" tsa pele tse qaliloeng ke tsamaiso ea Biden ho tloha ha a qala ho sebetsa.Lefapha la Khoebo la US le boletse hore lisebelisoa tsa magnete tse sa feleng tsa NdFeB li sebelisoa litsamaisong tse bohlokoa tsa ts'ireletso ea naha joalo ka lijete tsa ntoa le litsamaiso tsa tataiso ea metsu, meaho ea mantlha e kang likoloi tsa motlakase le li-turbine tsa moea, hammoho le li-hard drive tsa khomphutha, lisebelisoa tsa molumo, lisebelisoa tsa matla a khoheli. le masimo a mang.

Ka Hlakola selemong sena, Mopresidente oa Amerika Biden o laetse mekhatlo ea mmuso ho etsa tlhahlobo ea matsatsi a 100 ea phepelo ea lihlahisoa tse 'ne tsa bohlokoa: li-semiconductors, liminerale tse sa tloaelehang tsa lefats'e, libeteri tse nang le matla a maholo bakeng sa likoloi tsa motlakase le meriana.Liphethong tsa tlhahlobo ea matsatsi a 100 tse rometsoeng ho Biden ka la 8 Phuptjane, ho khothaletsoa hore Lefapha la Khoebo la US le hlahlobe hore na le ka etsa lipatlisiso ka limatlase tsa neodymium ho latela Article 232 ea Molao oa Katoloso ea Khoebo ea 1962. Tlaleho e bontšitse hore magnets ea neodymium e bapala karolo ea bohlokoa ho likoloi le lisebelisoa tse ling, 'me li bohlokoa bakeng sa ts'ireletso ea naha le lits'ebetso tsa indasteri ea sechaba.Leha ho le joalo, United States e itšetlehile haholo ka thepa e tsoang linaheng tse ling bakeng sa sehlahisoa sena sa bohlokoa.

Kamano e teng lipakeng tsa neodymium iron boron magnets le motors

Limanete tsa tšepe tsa Neodymium tsa boron li sebelisoa ho li-motor tse sa feleng tsa makenete.Li-motor tsa magnet tse tloaelehileng ke: li-motor tsa DC tsa magnet, li-motor tsa AC tse sa feleng, le li-motor tsa DC tsa magnet li arotsoe ka li-brush DC motors, brushless motors le stepping motors.Li-motor tsa magnet tsa AC li arotsoe ka li-motor tsa magnete tse sa feleng, li-motor tsa magnet servo tse sa feleng, joalo-joalo, ho latela mokhoa oa ho sisinyeha le tsona li ka aroloa ka li-motor linear tsa magnet le li-motor tse potolohang tsa magnet.

Melemo ea neodymium tšepe boron makenete

Ka lebaka la thepa e ntle ea makenete ea lisebelisoa tsa makenete tsa neodymium, matla a khoheli a sa feleng a ka theoa ntle le matla a eketsehileng kamora matla a makenete.Tšebeliso ea li-motors tsa magnete tse sa tloaelehang tsa lefats'e ho e-na le masimo a motlakase a motlakase ha a phahame feela ka katleho, empa hape e bonolo ka sebopeho, e ka tšeptjoang ts'ebetsong, e nyenyane ka boholo le boima bo bobebe.E ke ke ea fihlela ts'ebetso e phahameng feela (joalo ka ts'ebetso e phahameng haholo, lebelo le phahameng haholo, lebelo la karabelo le phahameng haholo) leo li-motor tsa setso tse hlasimollang motlakase li ke keng tsa tšoana le tsona, empa hape li ka fihlela litlhoko tse ikhethang tsa ts'ebetso ea li-motor tse khethehileng joalo ka ho ts'oara ha lifti. lienjineri le likoloi tsa makoloi.Motsoako oa li-motor tsa magnete tse sa feleng tse nang le theknoloji ea elektroniki ea matla le thekenoloji ea taolo ea microcomputer e ntlafatsa ts'ebetso ea rotor ea magnete le sistimi ea phetisetso ho isa boemong bo bocha.Ka hona, ho ntlafatsa ts'ebetso le boemo ba ho tšehetsa lisebelisoa tsa tekheniki ke tataiso ea bohlokoa ea nts'etsopele bakeng sa indasteri ea likoloi ho lokisa sebopeho sa indasteri.

China ke naha e nang le matla a maholo a tlhahiso ea limatlase tsa neodymium.Ho latela data, kakaretso ea tlhahiso ea lefats'e ea limatlase tsa neodymium ka selemo sa 2019 e ka ba lithane tse 170,000, tseo tlhahiso ea China ea neodymium iron boron e ka bang lithane tse 150,000, tse etsang 90%.

China ke mohlahisi e moholo ka ho fetisisa lefatšeng le morekisi-ntle oa lefatše le sa tloaelehang.Litefiso life kapa life tse eketsehileng tse behiloeng ke United States le tsona li tlameha ho romelloa kantle ho naha ke China.Ka hona, lipatlisiso tsa US 232 ha e le hantle li ke ke tsa ba le phello efe kapa efe indastering ea mechini ea motlakase ea China.

E tlalehiloe ke Jessica