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退火对FeNiPC合金性能的影响。

Influence of Annealing on the Properties of FeNiPC Alloy.

作者信息

Małachowska Aleksandra, Szczepański Łukasz, Żak Andrzej, Kuś Anna, Żrodowski Łukasz, Maj Łukasz, Pilarczyk Wirginia

机构信息

Faculty of Mechanical Engineering, Wroclaw University of Science and Technology, Wybrzeże Wyspiańskiego 27, 50-370 Wroclaw, Poland.

Institute of Advanced Materials, Faculty of Chemistry, Wroclaw University of Science and Technology, Wybrzeże Wyspiańskiego 27, 50-370 Wroclaw, Poland.

出版信息

Materials (Basel). 2025 Jul 18;18(14):3376. doi: 10.3390/ma18143376.

DOI:10.3390/ma18143376
PMID:40731587
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC12298147/
Abstract

In this study, the influence of annealing on the phase evolution and mechanical properties of the FeNiPC (at.%) alloy was investigated. Ribbons produced via melt-spinning were annealed at various temperatures, and their structural transformations and hardness were evaluated. The alloy exhibited a narrow supercooled liquid region (ΔT ≈ 22 °C), confirming its low glass-forming ability (GFA). Primary crystallization began at approximately 380 °C with the formation of α-(Fe,Ni) and FeNiP, followed by the emergence of γ-(Fe,Ni) phase at higher temperatures. A significant increase in hardness was observed after annealing up to 415 °C, primarily due to nanocrystallization and phosphide precipitation. Further heating resulted in a hardness plateau, followed by a noticeable decline. Additionally, samples were produced via selective laser melting (SLM). The microstructure of the SLM-processed material revealed extensive cracking and the coexistence of phosphorus-rich regions corresponding to FeNiP and iron-rich regions associated with γ-(Fe,Ni).

摘要

在本研究中，研究了退火对FeNiPC（原子百分比）合金的相演变和力学性能的影响。通过熔体纺丝制备的薄带在不同温度下进行退火，并对其结构转变和硬度进行了评估。该合金表现出较窄的过冷液相区（ΔT≈22°C），证实其玻璃形成能力（GFA）较低。初次结晶在约380°C开始，形成α-(Fe,Ni)和FeNiP，随后在较高温度下出现γ-(Fe,Ni)相。在高达415°C的退火后观察到硬度显著增加，这主要归因于纳米晶化和磷化物沉淀。进一步加热导致硬度平稳，随后显著下降。此外，通过选择性激光熔化（SLM）制备了样品。SLM处理材料的微观结构显示出广泛的裂纹以及对应于FeNiP的富磷区域和与γ-(Fe,Ni)相关的富铁区域的共存。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bbc2/12298147/d6c9ef76f2c5/materials-18-03376-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bbc2/12298147/4b7a2c5d9a8b/materials-18-03376-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bbc2/12298147/868f8c56c2a9/materials-18-03376-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bbc2/12298147/556d4c6c63fb/materials-18-03376-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bbc2/12298147/3f26eb83112d/materials-18-03376-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bbc2/12298147/80a28636566e/materials-18-03376-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bbc2/12298147/ca85e38453de/materials-18-03376-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bbc2/12298147/d6c9ef76f2c5/materials-18-03376-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bbc2/12298147/4b7a2c5d9a8b/materials-18-03376-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bbc2/12298147/868f8c56c2a9/materials-18-03376-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bbc2/12298147/556d4c6c63fb/materials-18-03376-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bbc2/12298147/3f26eb83112d/materials-18-03376-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bbc2/12298147/80a28636566e/materials-18-03376-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bbc2/12298147/ca85e38453de/materials-18-03376-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bbc2/12298147/d6c9ef76f2c5/materials-18-03376-g007.jpg

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