CrFeMnNbNi 高熵合金的硼化效应：显微结构、微纳特性和磨损行为

IF 6.1 1区工程技术 Q1 ENGINEERING, MECHANICAL

Tribology International Pub Date : 2024-11-20 DOI:10.1016/j.triboint.2024.110410

Dilara Atam , Sefa Emre Sunbul , Kursat Icin , Kadir Mert Döleker , Mustafa Sabri Gök , Azmi Erdoğan

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引用次数: 0

摘要

本研究旨在确定硼化处理对铬铁锰铌镍合金的影响。根据热力学计算，确定了 HEA 显微结构中的三相（Laves、FeNi、FeCr）。硼化处理后，表面形成了 30-35 µm 厚的金属硼化层。由于硼化物层的存在，硬度提高了约 5 倍，达到 2800 HV。在对 HEA 进行的纳米压痕测试中，硬度和还原弹性模量在 Laves 相中最高（10.9-190 GPa），在 FeNi 相中最低（2.74-128 GPa）。这些数值在硼化物层中达到最高值（24-302 GPa）。磨损测试表明，硼化层直接影响磨损损耗，最多可降低 96%。

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Boriding effect on CrFeMnNbNi high entropy alloy: Microstructure, micro-nano properties, wear behaviour

This study is dedicated to determine the effect of boriding treatment on CrFeMnNbNi alloy. Three phases (Laves, FeNi, FeCr) were determined in the HEA microstructure in accordance with thermodynamic calculations. After the boriding process, a 30–35 µm thick metallic boriding layer was formed on the surface. Thanks to boride layer, the hardness increased approximately 5 times, reaching up to 2800 HV. In nanoindentation tests performed on HEA, hardness and reduced elastic modulus were highest in the Laves phase (10.9–190 GPa) and lowest in the FeNi phase (2.74–128 GPa). These values reached their highest values (24–302 GPa) in the boride layer. In wear tests, it has been shown that boriding directly affects wear losses and reduces them by up to 96 %.

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来源期刊

Tribology International 工程技术-工程：机械

CiteScore

10.10

自引率

16.10%

发文量

627

审稿时长

35 days

期刊介绍： Tribology is the science of rubbing surfaces and contributes to every facet of our everyday life, from live cell friction to engine lubrication and seismology. As such tribology is truly multidisciplinary and this extraordinary breadth of scientific interest is reflected in the scope of Tribology International. Tribology International seeks to publish original research papers of the highest scientific quality to provide an archival resource for scientists from all backgrounds. Written contributions are invited reporting experimental and modelling studies both in established areas of tribology and emerging fields. Scientific topics include the physics or chemistry of tribo-surfaces, bio-tribology, surface engineering and materials, contact mechanics, nano-tribology, lubricants and hydrodynamic lubrication.