{"id":131362,"date":"2024-03-20T15:12:49","date_gmt":"2024-03-20T07:12:49","guid":{"rendered":"https:\/\/www.alpapowder.com\/131362\/"},"modified":"2024-03-20T15:12:49","modified_gmt":"2024-03-20T07:12:49","slug":"may-nghien-phan-luc-quy-trinh-san-xuat-ndfeb-thieu-ket","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/131362\/","title":{"rendered":"M\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c quy tr\u00ecnh s\u1ea3n xu\u1ea5t NdFeB thi\u00eau k\u1ebft"},"content":{"rendered":"

\"\"<\/p>\n

Ch\u1ebf t\u1ea1o b\u1ed9t b\u1eb1ng m\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c (JM) l\u00e0 m\u1ed9t lo\u1ea1i ph\u01b0\u01a1ng ph\u00e1p ch\u1ebf t\u1ea1o b\u1ed9t m\u1edbi s\u1eed d\u1ee5ng lu\u1ed3ng kh\u00f4ng kh\u00ed \u00e1p su\u1ea5t cao (th\u01b0\u1eddng l\u00e0 nit\u01a1 c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao) \u0111\u1ec3 t\u0103ng t\u1ed1c c\u00e1c h\u1ea1t b\u1ed9t l\u00ean t\u1ed1c \u0111\u1ed9 si\u00eau \u00e2m trong bu\u1ed3ng nghi\u1ec1n lu\u1ed3ng kh\u00f4ng kh\u00ed, khi\u1ebfn c\u00e1c h\u1ea1t b\u1ed9t va ch\u1ea1m v\u1edbi nhau. v\u00e0 ph\u00e1 v\u1ee1.<\/p>\n

Quy tr\u00ecnh c\u1ee5 th\u1ec3 l\u00e0: tr\u1ed9n c\u00e1c m\u1ea3nh hydro \u0111\u00e3 nghi\u1ec1n (SC) v\u1edbi m\u1ed9t t\u1ef7 l\u1ec7 ch\u1ea5t ch\u1ed1ng oxy h\u00f3a nh\u1ea5t \u0111\u1ecbnh, sau \u0111\u00f3 th\u00eam v\u00e0o th\u00f9ng c\u1ea5p li\u1ec7u c\u1ee7a m\u00e1y nghi\u1ec1n lu\u1ed3ng kh\u00ed, th\u00eam v\u00e0o bu\u1ed3ng nghi\u1ec1n lu\u1ed3ng kh\u00ed theo l\u01b0\u1ee3ng \u0111\u1ecbnh l\u01b0\u1ee3ng v\u00e0 nit\u01a1 \u00e1p su\u1ea5t cao (7kg ) \u0111\u01b0\u1ee3c phun ra t\u1eeb b\u1ed1n v\u00f2i c\u1ee7a bu\u1ed3ng nghi\u1ec1n. , t\u0103ng t\u1ed1c v\u1eadt li\u1ec7u l\u00ean t\u1ed1c \u0111\u1ed9 si\u00eau \u00e2m \u0111\u1ec3 t\u1ea1o th\u00e0nh t\u1ea7ng s\u00f4i v\u00e0 c\u00e1c h\u1ea1t va ch\u1ea1m v\u1edbi nhau v\u00e0 v\u1ee1 ra. \u0110\u01b0\u1eddng k\u00ednh c\u1ee7a c\u00e1c h\u1ea1t v\u1ee1 \u0111\u01b0\u1ee3c ph\u00e2n b\u1ed1 trong kho\u1ea3ng 1-8 \u03bcm.<\/p>\n

T\u00f9y thu\u1ed9c v\u00e0o hi\u1ec7u su\u1ea5t v\u00e0 s\u1ef1 ph\u00e2n b\u1ed1 c\u1ee7a v\u1eadt li\u1ec7u, k\u00edch th\u01b0\u1edbc b\u1ed9t nghi\u1ec1n lu\u1ed3ng kh\u00f4ng kh\u00ed trung b\u00ecnh SMD n\u1eb1m trong kho\u1ea3ng 2,5-4\u03bcm. B\u1ed9t \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p nghi\u1ec1n kh\u00f4ng kh\u00ed kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u v\u00e0 c\u1ea7n tr\u1ed9n ba chi\u1ec1u. Tr\u01b0\u1edbc khi tr\u1ed9n, m\u1ed9t t\u1ef7 l\u1ec7 nh\u1ea5t \u0111\u1ecbnh ch\u1ea5t b\u00f4i tr\u01a1n v\u00e0 ch\u1ea5t ch\u1ed1ng oxy h\u00f3a \u0111\u01b0\u1ee3c th\u00eam v\u00e0o th\u00f9ng nguy\u00ean li\u1ec7u theo quy tr\u00ecnh \u0111\u1ec3 ki\u1ec3m so\u00e1t h\u00e0m l\u01b0\u1ee3ng oxy v\u00e0 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t \u0111\u1ecbnh h\u01b0\u1edbng \u0111\u00fac.<\/p>\n","protected":false},"excerpt":{"rendered":"

Ch\u1ebf t\u1ea1o b\u1ed9t b\u1eb1ng m\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c (JM) l\u00e0 m\u1ed9t lo\u1ea1i ph\u01b0\u01a1ng ph\u00e1p ch\u1ebf t\u1ea1o b\u1ed9t m\u1edbi s\u1eed d\u1ee5ng lu\u1ed3ng kh\u00f4ng kh\u00ed \u00e1p su\u1ea5t cao (th\u01b0\u1eddng l\u00e0 nit\u01a1 c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao) \u0111\u1ec3 t\u0103ng t\u1ed1c c\u00e1c h\u1ea1t b\u1ed9t l\u00ean t\u1ed1c \u0111\u1ed9 si\u00eau \u00e2m trong bu\u1ed3ng nghi\u1ec1n lu\u1ed3ng kh\u00f4ng kh\u00ed<\/p>\n","protected":false},"author":7,"featured_media":108299,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[852],"tags":[],"class_list":["post-131362","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cong-nghiep-tin-tuc-vi"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/131362","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/comments?post=131362"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/131362\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/108299"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=131362"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=131362"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=131362"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}