Ọgwụgwọ Igwe Igwe Ọdụdọ
The elu ọgwụgwọ nkeneodymium magnetikna-ekere òkè dị mkpa na arụmọrụ ha na ogologo ndụ ha. Ihe ndọta Neodymium, nke a makwaara dị ka ndọta NdFeB, bụ ihe ndọta na-adịgide adịgide nke ukwuu nke sitere na alloy nke ígwè, boron, na neodymium. Ọgwụgwọ n'elu na-ezo aka na usoro nke itinye akwa mkpuchi ma ọ bụ mkpuchi na elu elu nke magnet neodymium. Ọgwụgwọ a dị mkpa iji gbochie ndọta ahụ ka ọ ghara imebi yana imeziwanye ịdịte aka ya n'ozuzu ya. Ụdị ọgwụgwọ elu a na-ahụkarị maka ndọta neodymium gụnyere NiCuNi plating, Zinc plating, na mkpuchi Epoxy.
Otu n'ime isi ihe kpatara ọgwụgwọ elu ji dị mkpa maka ndọta neodymium bụ ike ha nwere na corrosion. Ihe mejuputara neodymium magnets bụ ígwè, nke na-adịkarị mfe nchara ma ọ bụrụ na mmiri na ikuku oxygen na-ekpuchi ya. Site n'itinye mkpuchi nchebe, corrosion nwere ike belata nke ukwuu, na-agbatị ndụ magnet.
Ihe ọzọ mere a na-eji agwọ ọrịa elu bụ iji kwalite arụmọrụ magnet. Ihe mkpuchi ahụ nwere ike inye elu dị nro, na-ebelata esemokwu ma na-enye ohere ka mma magnetik. Ụfọdụ ọgwụgwọ n'elu, dị ka nickel plating ma ọ bụ ọla edo, nwere ike ime ka magnet na-eguzogide okpomọkụ dị elu, na-eme ka ọ dị mma maka ngwa ndị metụtara okpomọkụ. Ngwọta ihu igwe na-emekwa ka magnetik neodymium kwekọọ na gburugburu na ngwa dị iche iche. Dịka ọmụmaatụ, mkpuchi epoxy nwere ike inye mkpuchi, na-enye ohere iji magnet mee ihe na ngwa eletrik na-enweghị obere oge. Ihe mkpuchi mkpuchi nwekwara ike chebe ndọta site na kemịkalụ ma ọ bụ abrasion, na-eme ka ọ dị mma maka ojiji na gburugburu ebe ndị na-emebi emebi ma ọ bụ na ngwa ebe esemokwu na iyi dị.
Ngwọta dị n'elu dị mkpa maka ihe ndọta neodymium iji kpuchido megide corrosion, kwalite arụmọrụ, ịbawanye ogologo ndụ, yana hụ na ndakọrịta na gburugburu na ngwa. Site n'itinye ọgwụgwọ elu kwesịrị ekwesị, ogologo ndụ na ịdị irè nke magnet neodymium nwere ike ime ka ọ dịkwuo mma.
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 anyịmaka mkpuchi ọzọ! | ||||||
Ụdị mkpuchi maka magnet
NiCuNi: Ihe mkpuchi nickel mejupụtara okpukpu 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 mgbakwunye, 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.
Ọlaedo: Ụdị mkpuchi a na-ejikarị eme ihe na ahụike 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 na-arụ ọrụ bụ ihe dịka 150 Celsius C. Ihe owuwu molekụla mejupụtara ogige hydrocarbon yiri mgbanaka nke nwere H, Cl, na F. Dabere n'ụdị molekul, a na-amata ụdị dị iche iche dị ka Parylene N, Parylene C, Parylene D, na Ọnụ ego nke Parylene HT.
Epoxy: Ihe mkpuchi nke na-enye ihe mgbochi dị mma 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 ụgbọ mmiri, injin, sensọ, ngwa ahịa, na ngalaba ụgbọ ala.
Igwe igwe na-agba na rọba: a na-akpọkwa n'elu-akpụzi. Ihe e ji mara ya bụ ihe nchebe dị mma nke magnet 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 ha ga-esi kpuchido magnetik ha wee nweta ngwa kacha mma nke magnet.Kpọtụrụ anyịanyị ga-enwekwa obi ụtọ ịza ajụjụ gị.