电子束熔合制备的二硼化钛复合涂层的结构与性能

Proceedings of the 6th International Scientific and Practical Conference of Students, Post-graduates and Young Scientists. Modern Techniques and Technology. MTT'2000 (Cat. No.00EX369) Pub Date : 1900-01-01 DOI:10.1109/SPCMTT.2000.896090

L.A. Starostina, A.V. Shilenko, N. Galchenko

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引用次数: 0

摘要

二硼化钛在不同工程和技术领域的应用是由其具有高硬度、熔化温度和导电性等特性所决定的。本文研究了多层电子束熔覆在3钢基体上的二硼化钛-金属键合涂层。使用SVS复合材料(TiB/sub 2/+Fe)和用于创建放热连接的商业生产的结扎物混合物(TiB/sub 2/具有不同含量的结合物)作为炉。粉末的粒度组成在100-250微米范围内变化。熔接组织的估计是通过显微硬度测试确定主要组织成分的相组织和形貌。

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Composite coatings structure and properties based on titanium diboride obtained by electron-beam fusing

The use of titanium diboride in different areas of engineering and technology is conditioned by availability of such properties, as high hardness, melting temperature, and electrical conductivity. In the given work the coatings titanium diboride-metallic bonding, overcoated by multilayer electron-beam fusing (EBF) on a substrate from steel 3 are investigated. SVS composite (TiB/sub 2/+Fe) and mixture of ligatures of a commercial production intended for creation of exothermal connection TiB/sub 2/ with different contents of bonding was used as a furnace. The grain-size composition of powders varied in the range of 100-250 microns. The estimation of structure of fusing was the definition of a phase structure and morphology of the main structural components with a microhardness testing.

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Proceedings of the 6th International Scientific and Practical Conference of Students, Post-graduates and Young Scientists. Modern Techniques and Technology. MTT'2000 (Cat. No.00EX369)

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