Effect of B4C nanoparticles addition on the refinement of Fe-rich phase in ZL108 alloy

IF 7.6 2区材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materials & Design Pub Date : 2024-11-01 DOI:10.1016/j.matdes.2024.113424

Wenhao Wang , RongFu Xu , Lixin Xiang , Yuxiu Han , Enfa Li , Shuhao Zhang , Hongliang Zheng

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Abstract

Refining effect of B₄C nanoparticles in ZL108 alloy on Fe-rich phase was studied in this work. It was observed that B₄C nanoparticles apparently refines the size of the Fe-rich phases and partially transforms Fe-rich phases morphology from hollow polyhedron to petal-like shape. The DSC results show that B₄C nanoparticles does not affect the initial nucleation temperature of the Fe-rich phase. However, the addition of B₄C nanoparticles to ZL108 alloy inhibits the growth of Fe-rich phase. The TEM results confirm that the addition of B₄C nanoparticles alters the lattice parameter of Fe-rich phase due to incorporation of C atoms, thereby suppressing the growth of the Fe-rich phase and ultimately leading to its refinement. From the perspective of fracture behavior, the addition of B₄C nanoparticles remarkably reduces the stress concentration of Fe-rich phase, and the elongation of the alloy increases by 25.3%. These findings provide a new perspective for further research and development to refine Fe-rich phase.

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添加 B4C 纳米粒子对 ZL108 合金中富铁相细化的影响

这项工作研究了 B4C 纳米粒子在 ZL108 合金中对富铁相的细化效应。结果表明，B4C 纳米粒子明显细化了富铁相的尺寸，并使富铁相的形态从空心多面体部分转变为花瓣状。DSC 结果表明，B4C 纳米粒子不会影响富铁相的初始成核温度。但是，在 ZL108 合金中添加 B4C 纳米粒子会抑制富铁相的生长。TEM 结果证实，B4C 纳米粒子的加入会改变富铁相的晶格参数，这是由于 C 原子的加入，从而抑制了富铁相的生长，并最终导致其细化。从断裂行为的角度来看，B4C 纳米粒子的加入显著降低了富铁相的应力集中，合金的伸长率增加了 25.3%。这些发现为进一步研究和开发富铁相的精细化提供了新的视角。

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来源期刊

Materials & Design Engineering-Mechanical Engineering

CiteScore

14.30

自引率

7.10%

发文量

1028

审稿时长

85 days

期刊介绍： Materials and Design is a multi-disciplinary journal that publishes original research reports, review articles, and express communications. The journal focuses on studying the structure and properties of inorganic and organic materials, advancements in synthesis, processing, characterization, and testing, the design of materials and engineering systems, and their applications in technology. It aims to bring together various aspects of materials science, engineering, physics, and chemistry. The journal explores themes ranging from materials to design and aims to reveal the connections between natural and artificial materials, as well as experiment and modeling. Manuscripts submitted to Materials and Design should contain elements of discovery and surprise, as they often contribute new insights into the architecture and function of matter.