揭示原位粒子对铁铬硼合金热疲劳性能的影响

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

Materials Letters Pub Date : 2024-09-12 DOI:10.1016/j.matlet.2024.137380

Yunqian Zhen , Gaopeng Xu , Funian Han , Yazhao Shen , Haiyan Jiang , Kui Wang

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引用次数: 0

摘要

为了克服铁铬硼合金较差的热疲劳（TF）性能，开发了含有原位形成颗粒的铁铬硼钛合金。本研究通过 TF 实验系统地研究了原位颗粒诱导的增强机制。结果表明，原位颗粒不仅直接改变了裂纹的扩展路径，还细化了微观结构，从而有助于降低应力和改善力学性能。此外，原位颗粒还能促进形成致密且具有粘附性的氧化物鳞片。因此，FeCrBTi 合金的 TF 性能是 FeCrB 合金的 3.1 倍。这项研究为提高工具钢的抗 TF 性能带来了新的启示。

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Unveiling the enhancement of thermal fatigue properties of FeCrB alloy induced by in-situ particles

In order to overcome the inferior thermal fatigue (TF) properties of FeCrB alloy, FeCrBTi alloy containing in-situ formed particles has been developed. This study systematically investigated the enhancement mechanism induced by in-situ particles through the TF experiment. Results demonstrated in-situ particles not only directly alter the crack propagation path but also refine the microstructure, thereby contributing to stress reduction and improving mechanical properties. Furthermore, in-situ particles promote the formation of a compact and adhesive oxide scale. Therefore, the TF properties of FeCrBTi alloy are 3.1 times higher compared to FeCrB alloy. This research shed a novel light on the improvement of TF resistance of tool steels.

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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