改进电渗流饱和技术

O. P. Gaponova, V. Okhrimenko, N.V. Tarelnik, O.M. Myslyvchenko
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引用次数: 0

摘要

该工作显示了旨在开发保护结构钢免受磨损的方法的研究,以钢20和40为例,使用电火花合金化(ESA),通过在处理过的表面上施加类氮混合物,随后制作适合工件材料的钢电极。为了增加表面层的厚度和涂层的最佳粘附性,在相应品牌的钢制成的ESA电极工具前面提供,以使用来自血压品牌的铝棒的电极形成铝模具。进行了计量学研究和涂层中微观随机性的分布。研究表明,含氮涂层由一层“白色”层组成,该层能顺利地进入扩散区和基体金属“110-130微米。对所获得的含氮涂层的显微硬度的研究结果表明,硬度增加到9700-9910兆帕。氮涂层的相组成由合金固体和立方氮化铁表示,铝溶解在氮化物和铁氧体中。所考虑的含氮涂料的施涂方法可用于增强n泵送和压缩机设备的负责零件和元件的表面:用于保护套管的环的端面;活塞机,增加产品磨损的机制等。关键词:电火花合金化,微观结构,氮化,钢,相分析。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Вдосконалення технології азотування методом електроіскрового легування
The work shows studies aimed at developing methods for protection of structural steels on the example of steels 20 and 40, from wear, using the electricity spark alloying (ESA), by applying the nitrogen-like mixture on the treated surface with subsequent vanity of steel electrode appropriate to the material of the workpiece. To increase the thickness of the surface layer and the best adhesion of the coating is offered in front of the ESA electrode-tools made of steel of the corresponding brand, to form a mold of aluminum, using an electrode from the aluminum bar of the brand of blood pressure. Metrolographic studies were performed and the distribution of microtrandomness in the coating. Studies have shown that nitrogen -containing coatings consist of a "white" layer ", which smoothly goes into the diffusion zone and base metal. The obtained coatings have the highest thickness of "white layer" 110-130 microns. The results of the study of the micro-hardness of the obtained nitrogen-containing coatings indicate an increase in hardness to 9700-9910 MPa. The phase composition of nitrogen coatings is represented by a alloy solid and cubic iron nitride, aluminum dissolves in nitride and ferrite. The considered methods of application of nitrogen -containing coatings can be used to strengthen the surface of responsible parts and elements of pumping and compressor equipment: end surfaces of rings, for protective bushings; piston machines, mechanisms that have increased wear of the product, etc. Keywords: electro-spark alloying, microstructure, nitriding, steel, phase analysis.
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