Nnwale Xinfeng gosiri na cubic centimita nkeSintered NdFeb Igwe Ọdụdọga-corroded site ọxịdashọn mgbe ekpughere ikuku na 150 ℃ maka 51 ụbọchị.Ọ na-emebi ngwa ngwa na ngwọta acid na-adịghị ike.Iji mee ka NdFeb Magnet na-adịgide adịgide na-adịgide adịgide, a chọrọ ka ọ nwee afọ 20-30 nke ndụ ọrụ, ọ ga-enwerịrị ọgwụgwọ corrosion elu, ka o wee guzogide mmebi nke ihe na-emebi emebi na Magnet.A na-akpọkarịkwa yaIgwe Ọdụdọ na-adịgide adịgide Electroplating.
Ka ọ dị ugbu a, sintered NdFeb na-adịgide adịgide magnet usoro n'ichepụta ụlọ ọrụ n'ozuzu nakweere electroplating metal, electroplating + kemịkalụ gold-plating, electrophoretic mkpuchi na phosphating ọgwụgwọ, wdg, n'elu nke magnet na-kpuchie na ihe ọzọ oyi akwa nke isolator, magnet n'elu na. A na-ekewa ihe ndị na-emebi emebi, iji gbochie mmebi nke ọkara na magnet.
1.Generally galvanized, nickel + ọla kọpa + nickel, nickel + ọla kọpa + electroless nickel plating atọ usoro, ndị ọzọ metal plating chọrọ, n'ozuzu na nickel plating na mgbe ahụ ndị ọzọ metal plating.
2.N'ọnọdụ ụfọdụ pụrụ iche ga-ejikwa phosphating
1) Na NdFeb magnet ngwaahịa n'ihi ntụgharị, oge nchekwa dị ogologo na edoghị anya usoro ọgwụgwọ elu elu, iji phosphating dị mfe ma dị mfe;(2) Mgbe magnet chọrọ epoxy nrapado, agba, gluu, agba na ndị ọzọ epoxy organic bonding ike na-achọ ka mkpụrụ nwere ezigbo infiltration arụmọrụ.Usoro phosphate nwere ike melite ikike infiltration nke elu magnetik.
3.Electrophoretic mkpuchi aghọwo otu n'ime ihe ndị kasị eme ihe mgbochi corrosion elu ọgwụgwọ usoro.N'ihi na ọ bụghị nanị na ọ nwere ezigbo njikọ ike na elu nke porous magnet, kamakwa ọ nwere nguzogide corrosion nke nnu ịgba nnu, acid na alkali, wdg, ezigbo nguzogide corrosion.Ma e jiri ya tụnyere mkpuchi ịgba, ọ na-eguzogide okpomọkụ na iru mmiri adịghị mma.
Ndị ahịa nwere ike ịhọrọ mkpuchi dị ka ọrụ ngwaahịa ha chọrọ.Site na mgbasawanye nke ngwa moto, ndị ahịa nwere ihe dị elu chọrọ maka NdFeb corrosion resistance, naIgwe Ọdụdọ Igwe Ọdịnaya Dị Eluachọrọ.Emebere nnwale HAST (nnwale PCT) iji nwalee nguzogide corrosion nke ihe ndọta na-adịgide adịgide nke sintered NdFeb na gburugburu mmiri na oke okpomọkụ.
Kedu ka ndị ahịa si ekpebi ma mkpuchi na-emezu ihe ndị a chọrọ?Nnwale ịgba nnu nnu bụ nzube nke elu mkpuchi mgbochi corrosion mesoo sintered NdFeb magnet iji mee nnwale mgbochi corrosion ngwa ngwa, na njedebe nnwale, ihe nlele sitere na igbe ule, akọrọ, na anya ma ọ bụ iko na-ebuli elu ka lelee elu sample na ntụpọ, ntụpọ nke nha igbe igbe na-agbanwe.
Iji chịkọta, naanị site n'ịghọta usoro mmepụta na ihe ndị a chọrọ nke ngwaahịa ahụ nwere ike onye ahịa ahụ ikpe n'ụzọ ziri ezi na nkwekọrịta nke ngwaahịa ahụ.Na nkenke, ọ bụ njikwa arụmọrụ, njikwa nke ndidi akụkụ, nchọpụta mkpuchi na nyocha nke ọdịdị.
N'ihe gbasara arụmọrụ, enwere ike ịchọpụta Br ( magnetism fọdụrụnụ), Hcb (mmanye ike), Hcj (mmanye ike dị n'ime), (BH) Max (ngwaahịa ike magnetik kacha) na usoro demagnetization site na arụmọrụ.Nlere anya akụkụ, nke ziri ezi nwere ike tụọ vernier calipers;Na mkpuchi ahụ, agba na nchapụta nke mkpuchi ahụ nwere ike ịhụ anya site na anya gba ọtọ wee chọpụta site na njide ike na nyocha nnu nnu.N'ozuzu ọdịdị, tumadi na anya gba ọtọ ma ọ bụ na-ebuli elu, ma ọ bụ anya microscope (maka ngwaahịa akara na-erughị 0.2mm), elu nke magnet na-eji ire ụtọ, ọ dịghị ahụ anya irighiri na mba ọzọ, ọ dịghị ntụpọ, ọ dịghị dara n'ọnụ ọdịda n'akuku, ọdịdị ahụ ruru eru.
Oge nzipu: Jun-08-2022