硼对蒙乃尔K-500合金静态再结晶行为的影响

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

Materials Letters Pub Date : 2025-07-01 DOI:10.1016/j.matlet.2025.139023

Yanfei Min , Zhigang Song , Wenjie Zheng , Han Feng , Jianguo He , Yuliang Zhu , Tao Liu

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引用次数: 0

摘要

研究了不同硼含量对蒙乃尔K-500合金静态再结晶行为的影响。增加B含量（0.001 %、0.005%和0.022%）可显著抑制静态再结晶，使再结晶率从92.7%降低到31.4%，平均核平均取向偏差（KAM）值从0.19°提高到0.85°。B的加入通过与Ni和Ti结合，促进纳米级Ni-Ti-B相的形成，抑制带状TiC的析出，有效钉住晶界，阻碍其迁移。此外，晶界B偏析引起的溶质阻力效应增加了晶界运动的能垒，进一步阻碍了再结晶。这些发现为研究B在镍基合金中调节再结晶提供了新的视角。

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Effect of boron on static recrystallization behavior of Monel K-500 alloy

The effect of varying boron (B) content on the static recrystallization behavior of Monel K-500 alloy was investigated. Increasing the B content (0.001 %, 0.005 %, and 0.022 %) significantly suppresses static recrystallization, reducing the recrystallized fraction from 92.7 % to 31.4 % and increasing the average kernel average misorientation (KAM) value from 0.19° to 0.85°. The addition of B promotes the formation of nanoscale Ni-Ti-B precipitates by combining with Ni and Ti, which inhibits the precipitation of banded TiC and effectively pins grain boundaries to hinder their migration. Additionally, the solute drag effect, which results from B segregation at grain boundaries, increases the energy barrier for grain boundary movement and further hinders recrystallization. These findings offer new perspectives on B in regulating recrystallization in nickel-based alloys.

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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