The evolution of the structure and properties of the composite electron-beam coatings of Ti-B-Fe system, modified by ZrO2 ultrafine powder

PROCEEDINGS OF THE INTERNATIONAL CONFERENCE ON ADVANCED MATERIALS WITH HIERARCHICAL STRUCTURE FOR NEW TECHNOLOGIES AND RELIABLE STRUCTURES 2019 Pub Date : 2019-11-19 DOI:10.1063/1.5132032

K. Kolesnikova, N. Gal’chenko

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Abstract

The objective of the current study was to investigate the effect of ZrO2 ultrafine powder on the structure and properties of the composite coatings obtained from a mixture of thermo-reactive powders of the Ti-B-Fe system. The results of the metallographic and structural x-ray analysis, as well as tribological and hardness analyses showed that the introduction of zirconium dioxide alters the phase composition, reduces the hardness by a factor of 2-4, reduces the grain size, and increases the wear resistance of the coating formed in the process of electron-beam welding.The objective of the current study was to investigate the effect of ZrO2 ultrafine powder on the structure and properties of the composite coatings obtained from a mixture of thermo-reactive powders of the Ti-B-Fe system. The results of the metallographic and structural x-ray analysis, as well as tribological and hardness analyses showed that the introduction of zirconium dioxide alters the phase composition, reduces the hardness by a factor of 2-4, reduces the grain size, and increases the wear resistance of the coating formed in the process of electron-beam welding.

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ZrO2超细粉末改性Ti-B-Fe复合电子束涂层的结构与性能演变

本研究的目的是研究ZrO2超细粉末对Ti-B-Fe体系热反应粉末混合物制备的复合涂层结构和性能的影响。金相、组织x射线分析、摩擦学和硬度分析结果表明，二氧化锆的引入改变了电子束焊接过程中形成的涂层的相组成，硬度降低了2-4倍，晶粒尺寸减小，耐磨性提高。本研究的目的是研究ZrO2超细粉末对Ti-B-Fe体系热反应粉末混合物制备的复合涂层结构和性能的影响。金相、组织x射线分析、摩擦学和硬度分析结果表明，二氧化锆的引入改变了电子束焊接过程中形成的涂层的相组成，硬度降低了2-4倍，晶粒尺寸减小，耐磨性提高。

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PROCEEDINGS OF THE INTERNATIONAL CONFERENCE ON ADVANCED MATERIALS WITH HIERARCHICAL STRUCTURE FOR NEW TECHNOLOGIES AND RELIABLE STRUCTURES 2019

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