Changes of Structure and Magnetic Properties during Crystallization in Cast Nd60Fe20Al8Co10B2 Alloy-中国期刊网

摘要 TheNd60Fe20Al8Co10B2alloywaspreparedbysuctioncastingofthemoltenalloyintoacoppermoldunderargonatmosphere.Themicro-structuralandmagneticpropertychangesintheNd60Fe20Al8Co10B2alloyduringcrystallizationwereinvestigatedbyX-raydiffraction(XRD),differentialscanningcalorimetry(DSC),scanningelectronmicroscope(SEM)andthevibratingsamplemagnetometer(VSM).TheprecipitationandNd-richandFe-richphaseshavenosignificanteffectontheintrinsiccoercitityforNd60Fe20Al8Co10B2alloyannealedbelow723K.However,thegrowthofFe-richphasedecreasesthesaturatemagnetizationandremanenceofthealloy.Thehardmagneticbehaviorisdisappearedwhenthealloyisfullycrystallized.

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Changes of Structure and Magnetic Properties during Crystallization in Cast Nd60Fe20Al8Co10B2 Alloy

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Changes of Structure and Magnetic Properties during Crystallization in Cast Nd60Fe20Al8Co10B2 Alloy

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