Neodymium Iron Boron Igwe Ọdụdọ bụ otu n'ime ihe ndọta azụmahịa na-adịgide adịgide kachasị ike dị taa. Ihe ndọta ụwa ndị a na-adịghị ahụkebe nwere ike ịdị ike ruo ugboro iri karịa seramiiki magnetik kacha sie ike. A na-emepụta magnetik NdFeB site na iji otu n'ime usoro abụọ n'ozuzu ya, ihe ndọta jikọtara (mkpakọ, injection, extrusion ma ọ bụ nhazi kalenda), na ihe ndọta nke sintered (ụtụ ntụ ntụ, usoro PM). A na-ejikarị magnetik NdFeB na ngwaahịa na-achọ magnetik na-adịgide adịgide siri ike dị ka draịva diski ike maka kọmputa, moto eletrik n'ime akụrụngwa na-enweghị eriri, na ihe nkwụnye. Maka ngwa akụrụngwa ọgwụ ọhụrụ ojiji magnetik ndị a siri ike na-apụta. Dịka ọmụmaatụ, igodo catheter, ebe enwere ike itinye ndọta n'ọnụ ọnụ mgbakọ catheter yana sistemu magnetik dị n'èzí na-achịkwa maka steerability na ịgbagha ikike.
Ojiji ndị ọzọ na ngalaba ahụike gụnyere iwebata ihe nlebanya oghere magnetik (MRI) nke a na-eji na-esepụta eserese na ihe gbasara ahụ mmadụ, dị ka ihe ọzọ na-eme magnetik nke na-ejikarị eriri waya na-emepụta oghere ndọta. Ojiji ndị agbakwunyere na mpaghara ngwaọrụ ahụike gụnyere, ntinye ogologo na obere oge, yana obere ngwa mkpasu iwe. Ngwa ụfọdụ dị ntakịrị mkpasu iwe maka neodymium iron boron magnets bụ mgbakọ endoscopic maka ọtụtụ usoro gụnyere; gastroesophageal, eriri afọ, skeleton, akwara na nkwonkwo, obi, na neural.
A na-eji magnet Ferrite, magnet neodymium ma ọ bụ ọbụna ntọala magnetik maka ngwa dị iche iche na teknụzụ, na ụlọ ọrụ yana maka ebumnuche ahụike. Ọ dị mkpa ịnye magnetik na nchebe elu megide corrosion, "ihe mkpuchi" maka magnet. Ịkwasa magnetik neodymium bụ usoro dị mkpa iji chebe magnet megide corrosion. Mkpụrụ NdFeB (Neodymium, Iron, Boron) ga-agbaze ngwa ngwa na-enweghị oyi akwa nchebe. N'okpuru ebe a bụ ndepụta plating / mkpuchi na nku ha maka ntụaka gị.
| Ọgwụgwọ elu | ||||||
| Mkpuchi | Mkpuchi Ọkpụrụkpụ (μm) | Agba | Okpomọkụ na-arụ ọrụ (℃) | PCT (h) | SST (h) | Atụmatụ |
| Zinc na-acha anụnụ anụnụ | 5-20 | Blue-Ọcha | ≤160 | - | ≥48 | Ihe mkpuchi anodic |
| Agba Zinc | 5-20 | Agba egwurugwu | ≤160 | - | ≥72 | Ihe mkpuchi anodic |
| Ni | 10-20 | Ọlaọcha | ≤390 | ≥96 | ≥12 | Nnukwu okpomọkụ na-eguzogide |
| Ni+Cu+Ni | 10-30 | Ọlaọcha | ≤390 | ≥96 | ≥48 | Nnukwu okpomọkụ na-eguzogide |
| Vacuum aluminum | 5-25 | Ọlaọcha | ≤390 | ≥96 | ≥96 | Ngwakọta dị mma, oke okpomọkụ na-eguzogide |
| Electrophoretic epoxy | 15-25 | Nwa | ≤200 | - | ≥360 | Mkpuchi, ezi agbanwe agbanwe nke ọkpụrụkpụ |
| Ni+Cu+Epoxy | 20-40 | Nwa | ≤200 | ≥480 | ≥720 | Mkpuchi, ezi agbanwe agbanwe nke ọkpụrụkpụ |
| Aluminium+Epoxy | 20-40 | Nwa | ≤200 | ≥480 | ≥504 | Mkpuchi, ike iguzogide nnu nnu |
| Epoxy ịgba | 10-30 | Nwa, isi awọ | ≤200 | ≥192 | ≥504 | Mkpuchi, elu okpomọkụ na-eguzogide |
| Phosphating | - | - | ≤250 | - | ≥0.5 | Ọnụ ala |
| Mmasị | - | - | ≤250 | - | ≥0.5 | Ọnụ ala dị ala, enyi na gburugburu ebe obibi |
| Kpọtụrụ ndị ọkachamara anyị maka mkpuchi ndị ọzọ! | ||||||
Ihe mkpuchi NiCuNi: Ihe mkpuchi nickel nwere akwa atọ, nickel-copper-nickel. Ụdị mkpuchi a bụ nke a na-ejikarị eme ihe ma na-enye nchebe megide corrosion nke magnet na ọnọdụ dị n'èzí. Ọnụ ego nhazi dị ala. Okpomọkụ kachasị na-arụ ọrụ bụ ihe dịka 220-240ºC (dabere na oke okpomọkụ nke magnet). A na-eji ụdị mkpuchi a na engines, generators, ngwaọrụ ahụike, sensọ, ngwa ụgbọ ala, njigide, usoro ntinye ihe nkiri dị mkpa na nfuli.
Black nickel: Njirimara nke mkpuchi a yiri nke mkpuchi nickel, nke dị iche na a na-emepụta usoro ọzọ, mgbakọ nickel ojii. Ngwongwo dị ka ndị nke nickel plating; ya na ihe dị iche iche na-eji mkpuchi a na-eji ngwa ndị na-achọ ka akụkụ anya nke ibe ahụ adịghị egbuke egbuke.
Gold: A na-ejikarị ụdị mkpuchi a eme ihe na ngalaba ahụike ma dịkwa mma maka iji kọntaktị na ahụ mmadụ. Enwere nkwado sitere na FDA (Nchịkwa nri na ọgwụ ọjọọ). N'okpuru mkpuchi ọla edo enwere sub-layer nke Ni-Cu-Ni. Okpomọkụ kachasị na-arụ ọrụ dịkwa ihe dị ka 200 Celsius C. Na mgbakwunye na ngalaba ọgwụ, a na-ejikwa ọla edo edo edo maka ihe ịchọ mma na ihe ịchọ mma.
Zinc: Ọ bụrụ na okpomọkụ kachasị arụ ọrụ na-erughị 120 Celsius C, ụdị mkpuchi a zuru oke. Ọnụ ego ndị ahụ dị ala ma na-echebe magnet site na corrosion na mbara ikuku. Enwere ike ijikọ ya na nchara, ọ bụ ezie na a ghaghị iji ihe nkedo emepụtara pụrụ iche mee ihe. Ihe mkpuchi zinc dabara adaba ma ọ bụrụhaala na ihe mgbochi nchebe maka magnet dị ala na obere okpomọkụ na-arụ ọrụ.
Parylene: FDA kwadoro mkpuchi a. Ya mere, a na-eji ha eme ihe maka ngwa ahụike na ahụ mmadụ. Okpomọkụ kachasị arụ ọrụ bụ ihe dịka 150 Celsius C. Ihe owuwu molekụla mejupụtara ogige hydrocarbon yiri mgbanaka nke nwere H, Cl na F. Dabere na usoro molekul, a na-ekewa ụdị dị iche iche dị ka: Parylene N, Parylene C, Parylene D na Parylene. HT.
Epoxy: mkpuchi nke na-enye ezigbo ihe mgbochi megide nnu na mmiri. Enwere ezigbo mmachi na nchara, ma ọ bụrụ na magnet na-ejikọta ya na nrapado pụrụ iche kwesịrị ekwesị maka magnet. Okpomọkụ kachasị arụ ọrụ bụ ihe dịka 150 Celsius C. Ihe mkpuchi epoxy na-abụkarị oji, mana ha nwekwara ike ịdị ọcha. Enwere ike ịchọta ngwa na mpaghara mmiri, injin, sensọ, ngwa ahịa na mpaghara ụgbọ ala.
Igwe ndọta gbanyere n'ime rọba: ma ọ bụ nke a na-akpọkwa ihe karịrị akpụ. Isi njirimara ya bụ nchebe magburu onwe ya nke ndọta megide mmebi, mmetụta na corrosion. Igwe nchekwa na-enye nchebe megide mmiri na nnu. Okpomọkụ kachasị arụ ọrụ dabere na plastik eji (acrylonitrile-butadiene-styrene).
Mepụtara PTFE (Teflon): Dị ka mkpuchi injected / plastic na-enyekwa nchebe dị mma nke magnet megide mmebi, mmetụta na corrosion. A na-echebe magnet ahụ pụọ na mmiri, mmiri na nnu. Okpomọkụ kachasị arụ ọrụ dị gburugburu 250 Celsius C. A na-ejikarị mkpuchi a na ụlọ ọrụ ahụike na ụlọ ọrụ nri.
Rubber: Ihe mkpuchi roba na-echebe nke ọma site na nkwụsịtụ na mmetụta ma na-ebelata corrosion. Ngwongwo roba na-emepụta ezigbo nguzogide ntupu n'elu ígwè. Okpomọkụ kachasị arụ ọrụ dị gburugburu 80-100 Celsius C. Ihe ndọta ite nwere mkpuchi rọba bụ ngwaahịa kachasị pụta ìhè na nke a na-ejikarị eme ihe.
Anyị na-enye ndị ahịa anyị ndụmọdụ ọkachamara na ngwọta maka otu esi echekwa magnet gị yana inweta ngwa magnetik kacha mma. Kpọtụrụ anyị na anyị ga-enwe obi ụtọ ịza ajụjụ gị.
