将钛以金属箔的形式用于摩擦非金属材料,以润湿这些材料并用金属焊料进行焊接

V. S. Zhuravlev, V. P. Krasovskyy
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引用次数: 0

摘要

通过引入钛、锆等化学活性元素来活化用于非金属钎焊的填充金属合金是一项具有技术挑战性的任务。本文讨论了用填充金属合金钎焊非金属材料的一些方法。本文简要回顾了有关通过钛摩擦使非金属材料金属化并与填充金属合金进一步钎焊的出版物。提出并使用了两种用于在非金属材料上摩擦涂层的钛箔工具,与紧凑型钛摩擦相比,这两种工具大大减少了对陶瓷表面的破坏,便于应用。用提出的方法对高铝陶瓷 A995 和 WK94-1 样品进行了金属化处理。研究了涂有 PSr72 填充合金(铜银共晶)的陶瓷的润湿性,获得了钎焊接头,并研究了金属-非金属接触区的微观结构。非金属的表面粗糙度会影响涂层的微观结构。随着粗糙度的降低,涂层的密度也会增加。对钎焊接头微观结构的研究表明,PSr72 熔体可穿透钛涂层,使钛饱和并润湿陶瓷。这意味着这种金属化加速了熔体与钛的饱和。这种方法的钎焊模式实际上与含钛填充金属合金的钎焊模式相吻合 使用摩擦金属化层的方法可降低钎焊工艺的成本。关键词:金属摩擦、钛箔、陶瓷焊接、金属焊料、微观结构。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
The use of titanium in the form of a foil for rubbing non-metallic materials with the purpose of wetting them and soldering them with metal solders
Activation of filler metal alloys for brazing non-metals by introducing chemically active elements such as titanium, zirconium, etc. is a technically challenging task. This paper discusses some methods of brazing non-metallic materials with filler metal alloys. A brief review of publications on the metallisation of non-metallic materials by titanium friction for further brazing with filler metal alloys is given. Two types of titanium foil tools for friction coatings on non-metallic materials have been proposed and used, which, in comparison with friction with compact titanium, significantly reduce the destruction of the ceramic surface and facilitate their application. Samples of high-alumina ceramics A995 and WK94-1, were metallized by the proposed method. The wetting of ceramics coated with PSr72 filler alloy (copper-silver eutectic) was studied, brazed joints were obtained, and the microstructure of the metal-nonmetal contact zone was studied The main purpose of such a coating for brazing processes is to activate the filler metal alloys melt to wet the ceramic. The surface roughness of non-metals affects the microstructure of the applied coating. As the roughness decreases, the density of the coating increases. Studies of the microstructure of the brazed joint have shown that the PSr72 melt penetrates the titanium coating, saturates it with titanium and wets the ceramic. This means that such metallisation accelerates the saturation of the melt with titanium. The brazing modes of this method practically coincide with the brazing modes of titanium-containing filler metal alloys Using the method of friction the metallization layer reduces the cost of the brazing process. Keywords: rubbing with metals, titanium foil, soldering of ceramics, metal solders, microstructure.
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