表面等离子氮化后 Ti-8Al-1Mo-1V 的相组成和显微结构研究

IF 0.7 4区材料科学 Q4 METALLURGY & METALLURGICAL ENGINEERING

Archives of Metallurgy and Materials Pub Date : 2023-12-19 DOI:10.24425/amm.2023.146188

R. Yankova, L. DRenchev

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引用次数: 0

摘要

由于钛合金的表面硬度和耐磨性较低，特别是在摩擦和接触载荷下工作的部件，其应用受到了限制。气体氮化是钛合金热化学处理中应用最广泛的技术之一。本研究对钛合金 Ti-8al-1Mo-1v 在功率为 18 千瓦和 25 千瓦、时间为 5 至 30 分钟的等离子气体氮化后相变、微观结构和表面硬度的变化进行了研究。使用间接等离子体加速器对钛合金进行等离子气体氮化后，表面产生了连续的表层。等离子气体氮化层的厚度在 100 μm 到 350 μm 之间，具体取决于技术参数。

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Study on the Phase Composition and Microstructure of Ti-8Al-1Mo-1V After Surface Plasma Nitriding

The application of titanium alloys is limited due to their low surface hardness and wear resistance, especially for parts operating under friction and contact loads. one of the most widely used technologies for the thermochemical treatment of titanium alloys is gas nitriding. a new method in this direction is surface plasma gas nitriding using indirect arc plasmatrons operating in a chamber with a controlled nitrogen atmosphere. In the present work, the changes in the phase transformations, microstructure, and surface hardness of titanium alloy Ti-8al-1Mo-1v after plasma gas nitriding at the power of 18 kW, and 25 kW for a time between 5 and 30 minutes are studied. The plasma gas nitriding with the indirect plasmatron of the titanium alloy produced continuous surface layers. analysis of the surface showed the presence of Tin and Tio 2 . The thickness of the plasma gas nitrided layers ranges between 100 μm and 350 μm, depending on the technological parameters.

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来源期刊

Archives of Metallurgy and Materials 工程技术-冶金工程

CiteScore

1.20

自引率

0.00%

发文量

审稿时长

4.5 months

期刊介绍： The Archives of Metallurgy and Materials is covered in the following Institute for Scientific Information products: SciSearch (the Science Citation Index - Expanded), Research Alert, Materials Science Citation Index, and Current Contents / Engineering, Computing and Technology. Articles published in the Archives of Metallurgy and Materials are also indexed or abstracted by Cambridge Scientific Abstracts.