Dab tsi yog vim li cas NdFeB Magnets Break?

Thaum ntau tus neeg siv cov hlau nplaum NdFeB muaj zog, lawv pom tias cov hlau nplaum tau yooj yim tawg thiab tawg. Yog li dab tsi yog vim li cas NdFeB hlau nplaum tawg?

NdFeB hlau nplaum nws tus kheej yog cov hmoov metallurgy tsim los ntawm crushing neodymium, hlau, boron thiab lwm yam khoom thiab ces sib tov thiab sintering lawv. Cov yam ntxwv ntawm cov khoom no yog nkig thiab tawv, thiab zoo li hlau. Qhov tseeb, qhov kev ntxhib los mos nws tus kheej yog nkig heev. Nyob rau tib lub sijhawm, cov khoom sib nqus ntawm cov hlau nplaum muaj zog muaj zog heev. Yog hais tias ib lub hlau nplaum dheev tsoo cov khoom siv ferrous thiab nyiam sai sai los yog ob lub hlau nplaum dheev sib tsoo ua ke, nws yuav tawg yooj yim. Qhov no yeej yog ib txwm tshwm sim.

Yog li vim li cas qee cov neeg hais tias cov hlau nplaum muaj zog yog yooj yim tawg thaum siv. Yog li cov laj thawj rau qhov no yog raws li hauv qab no.

Thawj qhov taw tes: Thaum lub sij hawm tsim cov khoom siv raw, cov pores tshwm nyob rau hauv, uas yuav txo tau qhov hardness ntawm tag nrho cov hlau nplaum.

Qhov thib ob: Cov khoom siv raw yog reprocessed thiab tsim los ntawm ob txhais tes rov siv cov pov tseg, uas tuaj yeem ua rau cov khoom tiav tawg yooj yim.

Qhov thib peb point: Mechanical processing feem ntau siv sib tsoo. Yog tias cov thermal conductivity ntawm lub log sib tsoo tsis zoo, qhov kub thiab txias hauv cheeb tsam ntawm NdFeB dawb paug yuav siab dhau, ua rau oxidation nto thiab tawg. Cov khoom tiav tuaj yeem tawg tau yooj yim.

Cov ntsiab lus saum toj no yog ib qho kev soj ntsuam ntawm cov laj thawj vim li cas cov khoom siv raw thiab cov txheej txheem tom qab ua tiav tuaj yeem ua rau cov hlau nplaum tiav kom tawg yooj yim.

Tseem muaj ruptures los ntawm cov laj thawj uas tsis yog cov hlau nplaum nws tus kheej.

Thawj qhov taw tes: cov hlau nplaum tiav nws tus kheej yog qhov tsis yooj yim.

Lub ntsiab lus thib ob: Yog tias lub zog sab nraud loj dhau thaum lub sijhawm ntim khoom, nws kuj tseem tuaj yeem ua rau cov hlau nplaum tas mus li tawg. Txhawm rau txwv kev cuam tshuam sab nraud ntau dhau.

Lub ntsiab lus thib peb: cov neeg ua haujlwm tsis tu ncua thaum siv cov khoom tiav.