在冰点附近合成具有优异磁热效应的Fe88Pr10Al2金属玻璃

IF 3.2 3区材料科学 Q1 MATERIALS SCIENCE, CERAMICS

Journal of Non-crystalline Solids Pub Date : 2025-04-30 DOI:10.1016/j.jnoncrysol.2025.123576

Z.B. Li , J.M. Yuan , T.G. Zhai , Q. Wang , D. Ding , L. Xia

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引用次数: 0

摘要

本文成功地将Fe88Pr10Al2三元合金玻璃化成非晶带状。Al取代b改善了三元合金的玻璃成形性。在272 K附近，磁性熵变峰值（−ΔSmpeak, ~ 4.69 J/(kg × K)）较大，制冷量(>；在5t下，Fe88Pr10Al2样品中观察到656.6 J/kg)。Fe88Pr10Al2非晶合金在冰点附近的高- ΔSmpeak使得微合金Fe88Pr10Al2金属玻璃的- ΔSmpeak温度从272 K到300 K成为可能，这对于构建高性能的家用冰箱工作材料是必不可少的。

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Synthesis of Fe88Pr10Al2 metallic glass with excellent magnetocaloric effect near the ice point

A ternary Fe₈₈Pr₁₀Al₂ alloy was successfully vitrified into amorphous ribbons in the present work. The ternary alloy shows improved glass formability by Al substitution for B. The large magnetic entropy change peak (−ΔS_m^peak, ∼ 4.69 J/(kg × K) near 272 K) and refrigeration capacity (> 656.6 J/kg) under 5 T were observed in the amorphous Fe₈₈Pr₁₀Al₂ sample. The high −ΔS_m^peak near the ice point of the Fe₈₈Pr₁₀Al₂ amorphous alloy makes it possible to achieve higher −ΔS_m^peak from 272 K to 300 K in the micro-alloyed Fe₈₈Pr₁₀Al₂ metallic glasses, which is essential for constructing high-performance working materials in the domestic refrigerators.

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来源期刊

Journal of Non-crystalline Solids 工程技术-材料科学：硅酸盐

CiteScore

6.50

自引率

11.40%

发文量

576

审稿时长

35 days

期刊介绍： The Journal of Non-Crystalline Solids publishes review articles, research papers, and Letters to the Editor on amorphous and glassy materials, including inorganic, organic, polymeric, hybrid and metallic systems. Papers on partially glassy materials, such as glass-ceramics and glass-matrix composites, and papers involving the liquid state are also included in so far as the properties of the liquid are relevant for the formation of the solid. In all cases the papers must demonstrate both novelty and importance to the field, by way of significant advances in understanding or application of non-crystalline solids; in the case of Letters, a compelling case must also be made for expedited handling.