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Effect of Cu and Zr Substitution on Magnetic Properties of Sm2Co7 Melt-Spun Ribbons AITranslate

HOU Yong-jie; ZUO Jian-hua; LI Min-min; BO Yu; ZHANG Ming; DONG Fu-hai; BAI Suo
School of Science,Inner Mongolia University of Science and Technology;School of Science,Inner Mongolia University of Science and Technology;School of Science,Inner Mongolia University of Science and Technology;School of Science,Inner Mongolia University of Science and Technology;School of Science,Inner Mongolia University of Science and Technology;School of Science,Inner Mongolia University of Science and Technology;School of Science,Inner Mongolia University of Science and Technology
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Publisher: Editorial Office of Rare Metals and Cemented Carbides
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Abstract AITranslate

Sm2Co7-xRx(R=Cu,Zr;x=0,0.1,0.2,0.3,0.4)melt-spun ribbons were prepared by induction melting and melt spinning.The effects of substitution elements,substitution amount,and melt spinning rate on magnetic properties,intergranular interaction and irreversible reversal field of the melt-spun ribbons were studied.The results of the magnetic property test show that Cu and Zr substitution causes strong pinning effect within the melt-spun ribbons,contributing to improving the coercivity of the melt-spun ribbons,and both achieve maximum coercivity at x=0.3.When the substitution amount x of Cu is 0.1,0.2 and 0.4,the remanence and maximum magnetic energy product of the melt-spun ribbons gradually decrease with the melt spinning rate,while they gradually increase at x=0.3.When the Zr substitution amount x is 0.1~0.4,the remanence and maximum magnetic energy product of the melt-spun ribbons increase at first and then decrease with the increase of melt spinning rate.The Henkel curve test results indicate that for both Cu and Zr substitution,δM value reaches its maximum at x=0.3,indicating that the intergranular exchange coupling effect in the melt-spun ribbons reaches its maximum at this point.The ma-ximumδM values of Sm2(Co,Cu)7 and Sm2(Co,Zr)7 melt-spun ribbons are 1.48 and 1.04,respectively.A moderate substitution amount of Cu and Zr elements can enhance the irreversible reversal field Hn of the Sm2Co7 magnet during demagnetization.

KeyWords AITranslate

Sm2Co7 melt-spun ribbon Cu and Zr substitution melt spinning rate magnetic property ex-change coupling irreversible reversal field

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Basic Information:

DOI：

Chinese Library Classification Number:TM273[一般工业技术—材料科学与工程]

Citation Information:

Sm2Co7-xRx(R=Cu,Zr;x=0,0.1,0.2,0.3,0.4)melt-spun ribbons were prepared by induction melting and melt spinning.The effects of substitution elements,substitution amount,and melt spinning rate on magnetic properties,intergranular interaction and irreversible reversal field of the melt-spun ribbons were studied.The results of the magnetic property test show that Cu and Zr substitution causes strong pinning effect within the melt-spun ribbons,contributing to improving the coercivity of the melt-spun ribbons,and both achieve maximum coercivity at x=0.3.When the substitution amount x of Cu is 0.1,0.2 and 0.4,the remanence and maximum magnetic energy product of the melt-spun ribbons gradually decrease with the melt spinning rate,while they gradually increase at x=0.3.When the Zr substitution amount x is 0.1~0.4,the remanence and maximum magnetic energy product of the melt-spun ribbons increase at first and then decrease with the increase of melt spinning rate.The Henkel curve test results indicate that for both Cu and Zr substitution,δM value reaches its maximum at x=0.3,indicating that the intergranular exchange coupling effect in the melt-spun ribbons reaches its maximum at this point.The ma-ximumδM values of Sm2(Co,Cu)7 and Sm2(Co,Zr)7 melt-spun ribbons are 1.48 and 1.04,respectively.A moderate substitution amount of Cu and Zr elements can enhance the irreversible reversal field Hn of the Sm2Co7 magnet during demagnetization.

quote

GB/T 7714-2015 [1] HOU Yong-jie, ZUO Jian-hua, LI Min-min, et al. Effect of Cu and Zr Substitution on Magnetic Properties of Sm2Co7 Melt-Spun Ribbons[J]. Rare Metals and Cemented Carbides, 2024(2): 50-54.
MLA [1] HOU Yong-jie, et al., "Effect of Cu and Zr Substitution on Magnetic Properties of Sm2Co7 Melt-Spun Ribbons." Rare Metals and Cemented Carbides, no. 2, 2024, pp. 50-54.
APA [1] HOU Yong-jie, ZUO Jian-hua, LI Min-min, BO Yu, ZHANG Ming, DONG Fu-hai, & BAI Suo. (2024). Effect of Cu and Zr Substitution on Magnetic Properties of Sm2Co7 Melt-Spun Ribbons. Rare Metals and Cemented Carbides(2), 50-54.
IEEE [1] HOU Yong-jie, ZUO Jian-hua, LI Min-min, BO Yu, ZHANG Ming, DONG Fu-hai, and BAI Suo, "Effect of Cu and Zr Substitution on Magnetic Properties of Sm2Co7 Melt-Spun Ribbons," Rare Metals and Cemented Carbides, no. 2, pp. 50-54, 2024. keywords: {SmCo;melt-spun ribbon;Cu and Zr substitution;melt spinning rate;magnetic property;ex-change coupling;irreversible reversal field}