ʻO Neodymium Magnet, i ʻike ʻia hoʻi he mau mea hoʻokalakupua honua

ʻO nā magnet Neodymium, ʻike ʻia hoʻi he rare-earth magnets, ua lilo i mea koʻikoʻi i nā wahi he nui o ka ʻenehana hou ma muli o ko lākou mau waiwai magnetic.Hoʻohana nui ʻia kēia mau magnet i nā ʻoihana like ʻole, me ka uila, nā mea lapaʻau, aerospace, a me ka ikehu hou.I kēia mau lā, ua loaʻa i kahi hui o nā ʻepekema mai ke Kulanui o Tokyo i kahi ʻike hou e hiki ai ke hoʻomaikaʻi nui i ka hana o nā magnet neodymium.

Ma kahi noiʻi i paʻi ʻia ma ka puke pai Nature, ua hōʻike nā mea noiʻi ua hana maikaʻi lākou i kahi neodymium magnet me ka coercivity kiʻekiʻe ma mua o nā neodymium magnet i hōʻike mua ʻia.ʻO ka Coercivity kahi ana o ka hiki o ka magnet ke pale aku i ka demagnetization, a he mea nui ka coercivity kiʻekiʻe no ka hana paʻa o nā mea hana he nui, me nā kaʻa uila a me nā mea hana.

No ka hoʻokō ʻana i kēia holomua, ua hoʻohana ka hui i kahi ʻenehana i kapa ʻia ʻo spark plasma sintering, e pili ana i ka hoʻomehana wikiwiki a me ka hoʻoluʻu ʻana o kahi hui pauka o ka neodymium a me ka boron hao.E kōkua ana kēia kaʻina hana i ka hoʻolikelike ʻana i nā kīʻaha magnetic i loko o ka mea, e hoʻonui ai i ka coercivity o ka magnet.

ʻO ka magnet hou i hana ʻia e nā mea noiʻi he coercivity o 5.5 tesla, ma kahi o 20% kiʻekiʻe ma mua o ka mea paʻa moʻolelo mua.ʻO kēia hoʻomaikaʻi koʻikoʻi o ka coercivity hiki ke loaʻa i nā noi kūpono he nui i ke kahua o nā kaʻa uila, i hoʻohana ʻia i nā ʻoihana he nui, me ka automotive a me ka aerospace.

Ua hoʻomaopopo pū nā mea noiʻi ua hana ʻia ka magnet hou me ka hoʻohana ʻana i kahi kaʻina hana maʻalahi a hiki ke maʻalahi a ʻoi aku ka maikaʻi o ka hana ʻana i nā magnet neodymium kiʻekiʻe i ka wā e hiki mai ana.Hiki i kēia ke alakaʻi i ka hoʻomohala ʻana i nā kaʻa uila a ʻoi aku ka maikaʻi a hilinaʻi hoʻi, he hopena koʻikoʻi i nā ʻoihana he nui a hiki ke kōkua i ka ulu ʻana o nā kumu ikehu hou.

I ka hopena, ʻo ka holomua hou ʻana i ka noiʻi neodymium magnet e ke Kulanui o Tokyo he hoʻomohala koʻikoʻi i hiki ke loaʻa i nā hopena lōʻihi no nā wahi he nui o ka ʻenehana hou.ʻO ka hiki ke hana i nā magnet neodymium kiʻekiʻe me ka hoʻohana ʻana i kahi kaʻina hana maʻalahi a hiki ke hoʻololi i ka ʻenehana uila a me ka ʻoihana mīkini a kōkua i ka ulu ʻana o nā kumu ikehu hou.