L\u00fd do h\u00e0ng \u0111\u1ea7u \u0111\u1ec3 ph\u1ee7 l\u1edbp cho nam ch\u00e2m Neodymium<\/strong><\/span><\/h2>\nCh\u1ed1ng \u0103n m\u00f2n
\n<\/strong>
\nNam ch\u00e2m Neodymium g\u1ed3m c\u00e1c th\u00e0nh ph\u1ea7n neodymium, s\u1eaft v\u00e0 boron, trong \u0111\u00f3 s\u1eaft d\u1ec5 b\u1ecb g\u1ec9 s\u00e9t, \u0111\u1eb7c bi\u1ec7t trong m\u00f4i tr\u01b0\u1eddng \u1ea9m \u01b0\u1edbt. L\u1edbp ph\u1ee7 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t h\u00e0ng r\u00e0o b\u1ea3o v\u1ec7, ng\u0103n ch\u1eb7n qu\u00e1 tr\u00ecnh oxy h\u00f3a v\u00e0 \u0103n m\u00f2n c\u1ee7a nam ch\u00e2m. N\u1ebfu kh\u00f4ng c\u00f3 l\u1edbp ph\u1ee7, hi\u1ec7u su\u1ea5t c\u1ee7a nam ch\u00e2m c\u00f3 th\u1ec3 gi\u1ea3m theo th\u1eddi gian.<\/p>\nT\u0103ng \u0111\u1ed9 b\u1ec1n<\/strong><\/p>\nNam ch\u00e2m Neodymium kh\u00e1 gi\u00f2n v\u00e0 d\u1ec5 b\u1ecb s\u1ee9t m\u1ebb, n\u1ee9t v\u1ee1. C\u00e1c l\u1edbp ph\u1ee7 nh\u01b0 nh\u1ef1a ho\u1eb7c cao su t\u1ea1o ra m\u1ed9t l\u1edbp b\u1ea3o v\u1ec7, n\u00e2ng cao kh\u1ea3 n\u0103ng ch\u1ed1ng l\u1ea1i t\u1ed5n th\u01b0\u01a1ng v\u1eadt l\u00fd trong qu\u00e1 tr\u00ecnh x\u1eed l\u00fd v\u00e0 s\u1eed d\u1ee5ng.<\/p>\n
N\u00e2ng cao t\u00ednh th\u1ea9m m\u1ef9<\/strong><\/p>\nL\u1edbp ph\u1ee7 c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n v\u1ebb ngo\u00e0i c\u1ee7a nam ch\u00e2m Neodymium, \u0111i\u1ec1u n\u00e0y r\u1ea5t quan tr\u1ecdng trong c\u00e1c \u1ee9ng d\u1ee5ng ti\u00eau d\u00f9ng n\u01a1i y\u1ebfu t\u1ed1 th\u1ea9m m\u1ef9 \u0111\u00f3ng vai tr\u00f2. C\u00e1c lo\u1ea1i ho\u00e0n thi\u1ec7n kh\u00e1c nhau, bao g\u1ed3m nickel ho\u1eb7c v\u00e0ng, c\u00f3 th\u1ec3 mang l\u1ea1i v\u1ebb b\u00f3ng b\u1ea9y ph\u00f9 h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y, nh\u01b0 trang s\u1ee9c ho\u1eb7c trang tr\u00ed.<\/p>\n
C\u00e1c y\u1ebfu t\u1ed1 v\u1ec1 s\u1ee9c kh\u1ecfe<\/strong><\/p>\nM\u1ed9t s\u1ed1 l\u1edbp ph\u1ee7, nh\u01b0 v\u00e0ng, kh\u00f4ng g\u00e2y d\u1ecb \u1ee9ng v\u00e0 ng\u0103n ng\u1eeba k\u00edch \u1ee9ng da, ph\u00f9 h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp v\u1edbi da, nh\u01b0 thi\u1ebft b\u1ecb ph\u1ee5c h\u1ed3i y h\u1ecdc v\u00e0 thi\u1ebft b\u1ecb tr\u1ecb li\u1ec7u t\u1eeb t\u00ednh.<\/p>\n
C\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t ch\u1ee9c n\u0103ng<\/strong><\/p>\nM\u1ed9t s\u1ed1 l\u1edbp ph\u1ee7 c\u00f3 th\u1ec3 thay \u0111\u1ed5i \u0111\u1eb7c t\u00ednh b\u1ec1 m\u1eb7t c\u1ee7a nam ch\u00e2m \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3. V\u00ed d\u1ee5, l\u1edbp ph\u1ee7 cao su cung c\u1ea5p b\u1ec1 m\u1eb7t kh\u00f4ng tr\u01b0\u1ee3t, l\u00fd t\u01b0\u1edfng \u0111\u1ec3 g\u1eafn ho\u1eb7c treo v\u1eadt d\u1ee5ng, trong khi l\u1edbp ph\u1ee7 c\u00e1ch \u0111i\u1ec7n c\u00f3 l\u1ee3i trong c\u00e1c \u1ee9ng d\u1ee5ng \u0111i\u1ec7n n\u01a1i c\u1ea7n c\u00e1ch \u0111i\u1ec7n.<\/p>\n
D\u1ec5 d\u00e0ng l\u00e0m s\u1ea1ch<\/strong><\/p>\nC\u00e1c l\u1edbp ph\u1ee7 nh\u01b0 epoxy ho\u1eb7c nh\u1ef1a gi\u00fap nam ch\u00e2m d\u1ec5 l\u00e0m s\u1ea1ch h\u01a1n, \u0111i\u1ec1u n\u00e0y r\u1ea5t quan tr\u1ecdng trong c\u00e1c m\u00f4i tr\u01b0\u1eddng y\u00eau c\u1ea7u v\u1ec7 sinh cao, nh\u01b0 ch\u1ebf bi\u1ebfn th\u1ef1c ph\u1ea9m ho\u1eb7c thi\u1ebft b\u1ecb y t\u1ebf.<\/p>\n
\u0110i\u1ec7n d\u1eabn \u0111i\u1ec7n<\/strong><\/p>\nM\u1ed9t s\u1ed1 l\u1edbp ph\u1ee7, \u0111\u1eb7c bi\u1ec7t l\u00e0 c\u00e1c l\u1edbp kim lo\u1ea1i nh\u01b0 nickel, t\u0103ng kh\u1ea3 n\u0103ng d\u1eabn \u0111i\u1ec7n c\u1ee7a nam ch\u00e2m. Ng\u01b0\u1ee3c l\u1ea1i, c\u00e1c l\u1edbp ph\u1ee7 c\u00e1ch \u0111i\u1ec7n nh\u01b0 cao su ho\u1eb7c nh\u1ef1a r\u1ea5t h\u1eefu \u00edch trong c\u00e1c \u1ee9ng d\u1ee5ng c\u1ea7n c\u00e1ch \u0111i\u1ec7n \u0111i\u1ec7n.<\/p>\n
Ng\u0103n ch\u1eb7n ph\u1ea3n \u1ee9ng ho\u00e1 h\u1ecdc<\/strong><\/p>\nL\u1edbp ph\u1ee7 c\u00f3 th\u1ec3 b\u1ea3o v\u1ec7 nam ch\u00e2m neodymium kh\u1ecfi ph\u1ea3n \u1ee9ng v\u1edbi c\u00e1c ch\u1ea5t kh\u00e1c. Trong m\u00f4i tr\u01b0\u1eddng c\u00f3 ch\u1ee9a h\u00f3a ch\u1ea5t ho\u1eb7c h\u1ee3p ch\u1ea5t ph\u1ea3n \u1ee9ng, l\u1edbp ph\u1ee7 gi\u1ea3m thi\u1ec3u r\u1ee7i ro ph\u1ea3n \u1ee9ng ho\u00e1 h\u1ecdc c\u00f3 th\u1ec3 g\u00e2y h\u01b0 h\u1ecfng nam ch\u00e2m.<\/p>\n
Ch\u1ecbu nhi\u1ec7t<\/strong><\/p>\nL\u1edbp ph\u1ee7 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh kh\u1ea3 n\u0103ng d\u1eabn nhi\u1ec7t c\u1ee7a nam ch\u00e2m, \u0111i\u1ec1u n\u00e0y r\u1ea5t quan tr\u1ecdng trong c\u00e1c \u1ee9ng d\u1ee5ng nh\u1ea1y c\u1ea3m v\u1edbi nhi\u1ec7t \u0111\u1ed9. \u0110i\u1ec1u n\u00e0y gi\u00fap ki\u1ec3m so\u00e1t t\u1ed1t h\u01a1n c\u00e1c v\u1ea5n \u0111\u1ec1 li\u00ean quan \u0111\u1ebfn hi\u1ec7u su\u1ea5t do nhi\u1ec7t \u0111\u1ed9 g\u00e2y ra.<\/p>\n
D\u1ec5 d\u00e0ng x\u1eed l\u00fd<\/strong><\/p>\nL\u1edbp ph\u1ee7 c\u1ea3i thi\u1ec7n \u0111\u1ed9 b\u00e1m, gi\u00fap nam ch\u00e2m d\u1ec5 x\u1eed l\u00fd h\u01a1n v\u00e0 gi\u1ea3m thi\u1ec3u r\u1ee7i ro h\u01b0 h\u1ecfng do r\u01a1i ho\u1eb7c x\u1eed l\u00fd sai. \u0110i\u1ec1u n\u00e0y \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c nam ch\u00e2m nh\u1ecf ho\u1eb7c h\u00ecnh d\u1ea1ng kh\u00f4ng \u0111\u1ec1u.<\/p>\n
C\u00e1c lo\u1ea1i l\u1edbp ph\u1ee7 v\u00e0 m\u1ea1 ph\u1ed5 bi\u1ebfn<\/strong><\/span><\/h2>\nC\u00f3 nhi\u1ec1u l\u1ef1a ch\u1ecdn l\u1edbp ph\u1ee7 v\u00e0 m\u1ea1 cho nam ch\u00e2m neodymium, m\u1ed7i lo\u1ea1i mang l\u1ea1i nh\u1eefng l\u1ee3i \u00edch ri\u00eang d\u1ef1a tr\u00ean \u1ee9ng d\u1ee5ng d\u1ef1 \u0111\u1ecbnh:<\/p>\n
\n- Nickel (Ni-Cu-Ni)<\/strong><\/li>\n<\/ul>\n
Nickel l\u00e0 l\u1edbp m\u1ea1 ph\u1ed5 bi\u1ebfn nh\u1ea5t cho nam ch\u00e2m neodymium, g\u1ed3m c\u1ea5u tr\u00fac ba l\u1edbp: nickel, \u0111\u1ed3ng v\u00e0 l\u1edbp nickel ngo\u00e0i c\u00f9ng. N\u00f3 cung c\u1ea5p kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n tuy\u1ec7t v\u1eddi, b\u1ec1 m\u1eb7t m\u1ecbn m\u00e0ng v\u00e0 kh\u00f4ng \u0111\u1ed9c h\u1ea1i trong nhi\u1ec1u \u1ee9ng d\u1ee5ng. Nam ch\u00e2m m\u1ea1 nickel \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong \u0111\u1ed9ng c\u01a1, c\u1ea3m bi\u1ebfn v\u00e0 c\u00e1c s\u1ea3n ph\u1ea9m ti\u00eau d\u00f9ng.<\/p>\n
\n- \u0110en Nickel (Ni-Cu-Ni-BlackNi)<\/strong><\/li>\n<\/ul>\n
L\u1edbp m\u1ea1 nickel \u0111en mang l\u1ea1i c\u00f9ng l\u1ee3i \u00edch b\u1ea3o v\u1ec7 nh\u01b0 nickel ti\u00eau chu\u1ea9n nh\u01b0ng v\u1edbi l\u1edbp ho\u00e0n thi\u1ec7n t\u1ed1i m\u00e0u, th\u1ea9m m\u1ef9 \u0111\u1ed9c \u0111\u00e1o h\u01a1n. Lo\u1ea1i l\u1edbp ph\u1ee7 n\u00e0y h\u1eefu \u00edch trong c\u00e1c \u1ee9ng d\u1ee5ng m\u00e0 ngo\u1ea1i h\u00ecnh \u0111\u00f3ng vai tr\u00f2 c\u00f9ng v\u1edbi hi\u1ec7u su\u1ea5t.<\/p>\n
\n- V\u00e0ng (Ni-Cu-Ni + Au)<\/strong><\/li>\n<\/ul>\n
L\u1edbp m\u1ea1 v\u00e0ng \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng tr\u00ean n\u1ec1n nickel, cung c\u1ea5p th\u00eam kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 v\u00e0 v\u1ebb ngo\u00e0i kh\u00e1c bi\u1ec7t. Th\u00edch h\u1ee3p cho nh\u1eefng ng\u01b0\u1eddi d\u1ecb \u1ee9ng v\u1edbi nickel v\u00e0 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c b\u1ed9 ph\u1eadn gi\u1ea3 y h\u1ecdc, k\u1ebft n\u1ed1i v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng nh\u1ea1y c\u1ea3m kh\u00e1c.<\/p>\n
\n- K\u1ebdm (Zn)<\/strong><\/li>\n<\/ul>\n
L\u1edbp ph\u1ee7 k\u1ebdm c\u00f3 chi ph\u00ed h\u1ee3p l\u00fd v\u00e0 cung c\u1ea5p kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n trung b\u00ecnh, ph\u00f9 h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p kh\u00f4ng y\u00eau c\u1ea7u kh\u1ea3 n\u0103ng ch\u1ed1ng \u1ea9m cao. Nam ch\u00e2m m\u1ea1 k\u1ebdm th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u1ea3m bi\u1ebfn \u00f4 t\u00f4 v\u00e0 m\u00e1y m\u00f3c chung.<\/p>\n
\n- Epoxy<\/strong><\/li>\n<\/ul>\n
L\u1edbp ph\u1ee7 epoxy \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng tr\u00ean n\u1ec1n nickel v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u1ea9m v\u00e0 ho\u00e1 ch\u1ea5t tuy\u1ec7t v\u1eddi. Ch\u00fang c\u00f3 nhi\u1ec1u m\u00e0u s\u1eafc kh\u00e1c nhau v\u00e0 ph\u00f9 h\u1ee3p cho m\u00f4i tr\u01b0\u1eddng ngo\u00e0i tr\u1eddi ho\u1eb7c m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t nh\u01b0 turbine gi\u00f3 v\u00e0 \u1ee9ng d\u1ee5ng h\u00e0ng h\u1ea3i.<\/p>\n
\n- Polytetrafluoroethylene (PTFE)<\/strong><\/li>\n<\/ul>\n
L\u1edbp ph\u1ee7 PTFE, c\u00f2n g\u1ecdi l\u00e0 Teflon, c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng ho\u00e1 ch\u1ea5t cao v\u00e0 mang l\u1ea1i b\u1ec1 m\u1eb7t ch\u1ed1ng d\u00ednh, d\u1ec5 l\u00e0m s\u1ea1ch. C\u00e1c l\u1edbp ph\u1ee7 n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong thi\u1ebft b\u1ecb y t\u1ebf, thi\u1ebft b\u1ecb ch\u1ebf bi\u1ebfn th\u1ef1c ph\u1ea9m v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng kh\u00e1c n\u01a1i v\u1ec7 sinh l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng.<\/p>\n
\n- cao su<\/strong><\/li>\n<\/ul>\n
L\u1edbp ph\u1ee7 cao su cung c\u1ea5p kh\u1ea3 n\u0103ng ch\u1ed1ng va \u0111\u1eadp, h\u1ea5p th\u1ee5 s\u1ed1c v\u00e0 b\u1ec1 m\u1eb7t ch\u1ed1ng tr\u01b0\u1ee3t. Ch\u00fang r\u1ea5t ph\u00f9 h\u1ee3p cho c\u00e1c s\u1ea3n ph\u1ea9m ti\u00eau d\u00f9ng nh\u01b0 gi\u00e1 \u0111\u1ee1 t\u1eeb t\u00ednh, \u0111\u1ed3 ch\u01a1i v\u00e0 d\u1ee5ng c\u1ee5, n\u01a1i \u0111\u1ed9 b\u1ec1n v\u00e0 an to\u00e0n l\u00e0 quan tr\u1ecdng.<\/p>\n
\n- V\u1ecf th\u00e9p kh\u00f4ng g\u1ec9<\/strong><\/li>\n<\/ul>\n
Kh\u00f4ng ph\u1ea3i l\u00e0 l\u1edbp ph\u1ee7 v\u1ec1 m\u1eb7t k\u1ef9 thu\u1eadt, nh\u01b0ng v\u1ecf th\u00e9p kh\u00f4ng g\u1ec9 mang l\u1ea1i kh\u1ea3 n\u0103ng ch\u1ed1ng r\u1ec9 s\u00e9t v\u00e0 ch\u1ed1ng n\u01b0\u1edbc t\u1ed1t nh\u1ea5t. B\u1ea1n s\u1ebd th\u1ea5y ch\u00fang tr\u00ean c\u00e1c s\u1ea3n ph\u1ea9m c\u1ea7n \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc cao v\u00e0 kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng nh\u01b0 d\u1ee5ng c\u1ee5 c\u00e2u c\u00e1 t\u1eeb t\u00ednh ho\u1eb7c thi\u1ebft b\u1ecb h\u00e0ng h\u1ea3i.<\/p>\n
\n- Nh\u1ef1a c\u00f3 m\u00e0u (PP)<\/strong><\/li>\n<\/ul>\n
L\u1edbp ph\u1ee7 polypropylene (PP) \u0111\u01b0\u1ee3c \u0111\u00fac \u00e9p v\u00e0 mang l\u1ea1i l\u1edbp ph\u1ee7 \u0111\u1eb9p, nhi\u1ec1u m\u00e0u s\u1eafc, m\u1ecbn m\u00e0ng. Ch\u00fang ch\u1ed1ng \u1ea9m v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c \u1ee9ng d\u1ee5ng li\u00ean quan \u0111\u1ebfn n\u01b0\u1edbc nh\u01b0 b\u1ec3 c\u00e1.<\/p>\n
\n- cao su silicon<\/strong><\/li>\n<\/ul>\n
cao su silicon mang l\u1ea1i \u0111\u1ed9 ma s\u00e1t cao, \u0111\u1ed9 b\u00e1m d\u00ednh t\u1ed1t v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng n\u01b0\u1edbc. N\u00f3 ph\u00f9 h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng c\u1ea7n s\u1ef1 linh ho\u1ea1t, ch\u1ecbu va \u0111\u1eadp v\u00e0 b\u1ea3o v\u1ec7 ch\u1ed1ng \u1ea9m nh\u01b0 h\u1ec7 th\u1ed1ng treo ho\u1eb7c bi\u1ec3n qu\u1ea3ng c\u00e1o ngo\u00e0i tr\u1eddi.<\/p>\n
\u00a0<\/strong><\/p>\nCh\u1ecdn l\u1edbp ph\u1ee7 ph\u00f9 h\u1ee3p<\/strong><\/span><\/h2>\nL\u1edbp ph\u1ee7 ph\u00f9 h\u1ee3p ph\u1ee5 thu\u1ed9c v\u00e0o m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng c\u1ee7a b\u1ea1n:<\/p>\n
Ti\u1ebfp x\u00fac m\u00f4i tr\u01b0\u1eddng:<\/strong> N\u1ebfu b\u1ea1n c\u1ea7n l\u1edbp ph\u1ee7 cho nam ch\u00e2m ngo\u00e0i tr\u1eddi, trong m\u00f4i tr\u01b0\u1eddng \u1ea9m \u01b0\u1edbt, h\u00f3a ch\u1ea5t ho\u1eb7c c\u00e1c y\u1ebfu t\u1ed1 kh\u00e1c, b\u1ea1n n\u00ean ch\u1ecdn l\u1edbp ph\u1ee7 m\u1ea1nh nh\u01b0 epoxy, PTFE ho\u1eb7c th\u00e9p kh\u00f4ng g\u1ec9.<\/p>\n\u00c1p l\u1ef1c c\u01a1 h\u1ecdc:<\/strong> N\u1ebfu nam ch\u00e2m c\u1ee7a b\u1ea1n s\u1ebd ch\u1ecbu t\u00e1c \u0111\u1ed9ng l\u1edbn ho\u1eb7c rung l\u1eafc, b\u1ea1n c\u1ea7n l\u1edbp ph\u1ee7 cao su \u0111\u1ec3 b\u1ec1n b\u1ec9 v\u00e0 gi\u1ea3m ch\u1ea5n.<\/p>\nY\u00eau c\u1ea7u ph\u00e1p l\u00fd:<\/strong> M\u1ed9t s\u1ed1 ng\u00e0nh nh\u01b0 ch\u1ebf bi\u1ebfn th\u1ef1c ph\u1ea9m ho\u1eb7c ch\u0103m s\u00f3c s\u1ee9c kh\u1ecfe c\u1ea7n l\u1edbp ph\u1ee7 kh\u00f4ng \u0111\u1ed9c h\u1ea1i, kh\u00f4ng g\u00e2y d\u1ecb \u1ee9ng nh\u01b0 PTFE ho\u1eb7c v\u00e0ng.<\/p>\nChi ph\u00ed:<\/strong> N\u1ebfu chi ph\u00ed l\u00e0 m\u1ed1i quan t\u00e2m l\u1edbn, l\u1edbp ph\u1ee7 k\u1ebdm ho\u1eb7c niken l\u00e0 s\u1ef1 c\u00e2n b\u1eb1ng t\u1ed1t gi\u1eefa hi\u1ec7u su\u1ea5t v\u00e0 gi\u00e1 th\u00e0nh.<\/p>\n <\/p>\n
K\u1ebft lu\u1eadn<\/p>\n
L\u1edbp ph\u1ee7 t\u1ea1o ra s\u1ef1 kh\u00e1c bi\u1ec7t l\u1edbn v\u1ec1 hi\u1ec7u su\u1ea5t, \u0111\u1ed9 b\u1ec1n v\u00e0 ngo\u1ea1i h\u00ecnh c\u1ee7a nam ch\u00e2m neodymium. D\u00f9 l\u00e0 \u0111\u1ec3 ch\u1ed1ng \u0103n m\u00f2n, d\u1ec5 d\u00e0ng x\u1eed l\u00fd hay c\u1ea3i thi\u1ec7n ch\u1ee9c n\u0103ng kh\u00e1c, l\u1edbp ph\u1ee7 ph\u00f9 h\u1ee3p s\u1ebd k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd v\u00e0 t\u00ednh h\u1eefu d\u1ee5ng c\u1ee7a nam ch\u00e2m c\u1ee7a b\u1ea1n. Khi c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p thay \u0111\u1ed5i, c\u00e1c lo\u1ea1i l\u1edbp ph\u1ee7 c\u0169ng s\u1ebd ng\u00e0y c\u00e0ng t\u1ed1t h\u01a1n theo th\u1eddi gian.<\/p>","protected":false},"excerpt":{"rendered":"
Nam ch\u00e2m Neodymium, c\u00f2n g\u1ecdi l\u00e0 nam ch\u00e2m NdFeB, l\u00e0 m\u1ed9t trong nh\u1eefng nam ch\u00e2m v\u0129nh c\u1eedu m\u1ea1nh nh\u1ea5t hi\u1ec7n nay. M\u1eb7c d\u00f9 c\u00f3 s\u1ee9c m\u1ea1nh t\u1eeb c\u1ef1c k\u1ef3 v\u01b0\u1ee3t tr\u1ed9i, nh\u1eefng nam ch\u00e2m n\u00e0y d\u1ec5 b\u1ecb \u0103n m\u00f2n do h\u00e0m l\u01b0\u1ee3ng s\u1eaft cao. \u0110\u1ec3 b\u1ea3o v\u1ec7 c\u1ea5u tr\u00fac v\u00e0 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a ch\u00fang, nhi\u1ec1u l\u1edbp ph\u1ee7 kh\u00e1c nhau \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng \u0111\u1ec3 b\u1ea3o v\u1ec7 kh\u1ecfi t\u00e1c \u0111\u1ed9ng c\u1ee7a m\u00f4i tr\u01b0\u1eddng [\u2026]<\/p>","protected":false},"author":1,"featured_media":964,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_mi_skip_tracking":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1428","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"jetpack_featured_media_url":"https:\/\/nbaem.com\/wp-content\/uploads\/2022\/07\/Magnetic-hooks.jpg","_links":{"self":[{"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/1428","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/comments?post=1428"}],"version-history":[{"count":2,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/1428\/revisions"}],"predecessor-version":[{"id":1430,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/1428\/revisions\/1430"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/media\/964"}],"wp:attachment":[{"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/media?parent=1428"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/categories?post=1428"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/tags?post=1428"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
![\"\"](\"https:\/\/nbaem.com\/wp-content\/uploads\/2022\/07\/Magnetic-hooks.jpg\")
<\/p>\n