Ni44Fe19Ga27Co10 单晶中的高温热弹性马氏体转变

IF 2.7 4区材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materials Letters Pub Date : 2024-11-21 DOI:10.1016/j.matlet.2024.137744

E.E. Timofeeva , E.Yu. Panchenko , M.V. Zherdeva , A.B. Tokhmetova , A.I. Tagiltsev , N.Yu. Surikov , I.D. Fatkullin , M.C. Dmitrienko , M.N. Volochaev , Yu.I. Chumlyakov

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引用次数: 0

摘要

在 1448 K 退火 6 小时，然后在冰冷盐水中快速淬火后，首次获得了在拉伸和压缩条件下具有高温马氏体转变（Ms = 336 K）和高温超弹性（373-548 K）的 Ni44Fe19Ga27Co10 单晶。温度的升高与大γ粒子的析出和纳米级ω相析出的大幅减少有关，单晶体在 1448 K 退火 1 小时并在较慢的水淬火后观察到了纳米级ω相的析出。

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High-temperature thermoelastic martensitic transformations in Ni44Fe19Ga27Co10 single crystals

For the first time Ni₄₄Fe₁₉Ga₂₇Co₁₀ single crystals with high-temperature martensitic transformation (M_s = 336 K) and high-temperature superelasticity (373–548 K) under tension and compression were obtained after annealing at 1448 K for 6 h, followed by fast quenching in ice-cold salt water. The increase in temperature is associated with the precipitation of the large γ-particles and the substantial decrease in the precipitation of the nanosized ω-phase, which was observed in the single crystals after annealing at 1448 K for 1 h with slower water quenching.

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来源期刊

Materials Letters 工程技术-材料科学：综合

CiteScore

5.60

自引率

3.30%

发文量

1948

审稿时长

50 days

期刊介绍： Materials Letters has an open access mirror journal Materials Letters: X, sharing the same aims and scope, editorial team, submission system and rigorous peer review. Materials Letters is dedicated to publishing novel, cutting edge reports of broad interest to the materials community. The journal provides a forum for materials scientists and engineers, physicists, and chemists to rapidly communicate on the most important topics in the field of materials. Contributions include, but are not limited to, a variety of topics such as: • Materials - Metals and alloys, amorphous solids, ceramics, composites, polymers, semiconductors • Applications - Structural, opto-electronic, magnetic, medical, MEMS, sensors, smart • Characterization - Analytical, microscopy, scanning probes, nanoscopic, optical, electrical, magnetic, acoustic, spectroscopic, diffraction • Novel Materials - Micro and nanostructures (nanowires, nanotubes, nanoparticles), nanocomposites, thin films, superlattices, quantum dots. • Processing - Crystal growth, thin film processing, sol-gel processing, mechanical processing, assembly, nanocrystalline processing. • Properties - Mechanical, magnetic, optical, electrical, ferroelectric, thermal, interfacial, transport, thermodynamic • Synthesis - Quenching, solid state, solidification, solution synthesis, vapor deposition, high pressure, explosive