Magnetocaloric effect in Fe-Ni-Zr alloys prepared by using the rapidly-quenched method

Dan, Nguyen Huy; Duc, Nguyen Huu; Thành, Trần Đăng; Yen, Nguyen Hai; Thanh, Pham Thi; Bang, Ngac An; Anh, Do Thi Kim; Phan, The‐Long; Yu, Seong‐Cho

doi:10.3938/jkps.62.1715

Cited by 13 publications

(7 citation statements)

References 18 publications

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“…The results indicate that Curie temperature, T C , of the amorphous phase in the ribbons is increased with increasing Dy concentration (Table I). As reported in our previous publication, 21 T C of the amorphous phase of Fe 90 Zr 10 ribbons (i.e. the sample with x = 0) is about 250 K. Thus, T C of the Fe 90 Zr 10 ribbons is enhanced more than 20 K by adding 1 at.% of Dy.…”

Section: Resultsmentioning

confidence: 67%

“…the sample with x = 0) is about 250 K. Thus, T C of the Fe 90 Zr 10 ribbons is enhanced more than 20 K by adding 1 at.% of Dy. In comparison with the addition of Ni, 21 to increase T C of the Fe 90 Zr 10 ribbons to 306 K, 5 at.% of Ni is needed. This means the enhancement for T C of Dy is stronger than that of Ni.…”

Section: Resultsmentioning

confidence: 98%

“…This RC of the Fe-Dy-Zr alloy is higher than that of some amorphous and nanocrystalline alloys such as Finemet (Fe 68.5 Mo 5 Si 13.5 B 9 Cu 1 Nb 3 ), Nanoperm (Fe 83Àx Co x Zr 6 B 10 Cu 1 , Fe 91Àx Mo 8 Cu 1 B x ), HiTperm (Fe 60Àx Mn x Co 18 Nb 6 B 16 ), and bulk amorphous alloys (Fe x Co y B z CuSi 3 Al 5 Ga 2 P 10 ), 17 and equivalent to that of Fe 90Àx Ni x Zr 10 ribbons. 21 The advantage of the magnetocaloric materials in an amorphous state is that they can provide a wide working temperature range and large magnetic RC at room temperature region. Besides that, they have useful mechanical properties such as durability and malleability, which are necessary for practical applications of the magnetocaloric material.…”

Section: Resultsmentioning

confidence: 99%

“…Among this type of GMCE material, Fe-Zr based alloys have attracted the attention of many scientists. [16][17][18][19][20][21][22] To improve glass forming ability (GFA) and change in Curie temperature (T C ) of the Fe-Zr alloy, other elements such as Mn, Co, Ni, Y, and B have been added. However, the effect of the additional elements on the GFA and T C of the alloy is widely various.…”

Section: Introductionmentioning

confidence: 99%

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Magnetocaloric Effect and Critical Behavior in Fe-Dy-Zr Rapidly Quenched Alloys

Dan

Yen

Thanh

2016

Journal of Elec Materi

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In this paper, we present our study results for Fe 90Àx Dy x Zr 10 (x = 1-6) alloy ribbons with thickness of about 15 lm prepared by using a melt-spinning technique. Structure and magnetic properties of the ribbons were investigated by using x-ray diffraction analysis and magnetization measurements, respectively. The results show that the alloy is almost amorphous with x = 1, but partly crystalline with x ‡ 2, i.e. the glass forming ability (GFA) of the alloy is reduced with an increase of the Dy-concentration. Curie temperature, T C , of the alloy is considerably increased, from 273 K (for x = 1) to 305 K (for x = 3), by increasing the Dy-concentration. Maximum magnetic entropy change, |DS m | max , of the alloys with x = 1 and 2 was respectively determined to be 0.84 and 0.93 J kg À1 K À1 with magnetic field change DH = 12 kOe. High refrigerant capacity (RC > 80 J kg À1 ) at room temperature region has been obtained for the alloy revealing its possibility for practical application in magnetic refrigeration. Critical analyses around the ferromagnetic-paramagnetic phase transitions, by using the Arrott-Noakes method, indicate longrange ferromagnetic orders in the alloys.

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Section: Resultsmentioning

confidence: 67%

Section: Resultsmentioning

confidence: 98%

Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Magnetocaloric Effect and Critical Behavior in Fe-Dy-Zr Rapidly Quenched Alloys

Dan

Yen

Thanh

2016

Journal of Elec Materi

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“…x Mn x Zr 10 system is decreased with increasing Mn concentration [10][11][12] Recently, a lot of research groups have concentrated on magnetocaloric materials prepared by using melt-spinning method [13][14][15][16][17][18][19][20][21]. Advantages of those materials are easily changing Curie temperature, possessing GMCE, low coercive force, large electric resistivity, cheaper price etc.…”

Section: Introductionmentioning

confidence: 99%

MAGNETIC PROPERTIES AND MAGNETOCALORIC EFFECT OF Fe90-xPrxZr10 RAPIDLY QUENCHED ALLOYS

Hà¹

2018

JST

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In this paper, we present the results of studying magnetic properties and magnetocaloric effect of Fe 90-x Pr x Zr 10 (x = 1, 2 and 3) rapidly quenched alloys. The alloy ribbons with thickness of about 15 µm were prepared by melt-spinning method on a single roller system. X-ray diffraction patterns of the ribbons manifest their almost amorphous structure. Thermomagnetization measurements show that the Curie temperature of the alloys can be controlled to be near room temperature by changing concentration of Pr (x). When the concentration of Pr is increased, saturation magnetization of the alloys increased from 48 emu/g (with x = 1) to 66.8 emu/g (with x = 2). All the ribbons reveal soft magnetic behavior with low coercive force (H c < 42 Oe). The magnetic entropy change of the alloys, |∆S m | max > 0.9 J.kg -1 K -1 in magnetic field change H = 12 kOe, shows large magnetocaloric effect at phase transition temperature. On the other hand, the working temperature range is quite large ( FWHM ~ 70 K) revealing an application potential in magnetic refrigeration technology of these alloys.

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