The main requirements of tungsten materials for structural divertor applications comprise properties like high thermal conductivity, high-temperature strength and stability, high recrystallization temperature, and enough ductility for an operation period of about two years under massive neutron load [1]. However, the mechanical properties of tungsten commercial products are still one of the main concerns for their use in structural armour applications. With the aim of improving this aspect, two W/Ti based products are presented in this paper: (1) a W-Ti alloy with a Ti solid solution and (2) an UFG microstructure product with TiC dispersed particles; both with the aim of obtaining a suitable fusion armour material with enhanced properties, especially at very high temperatures when pure tungsten suffers strong thermal degradation.

It has been reported that strength and recrystallization control can be improved with dispersed TiC particles which inhibits the grain growth. Furthermore, both flexural strength and fracture toughness were twice and even three times higher than the ones observed for our reference pure tungsten produced by the same group and technique, which is, indeed, a great success. However, the intrinsic brittleness of tungsten cannot be enhanced by particle dispersion or solid solution with Ti. On the contrary, intergranular rupture is enhanced even more, and the DBTT is even higher than that of pure W.

钨材料对结构偏滤器的主要要求包括高导热率，高温强度和稳定性，高重结晶温度以及足够的延展性，以在大中子负荷下运行约两年[1]。但是，钨商业产品的机械性能仍然是其在结构装甲应用中使用的主要关注点之一。为了改进这一方面，本文提出了两种基于W / Ti的产品：（1）具有Ti固溶体的W-Ti合金和（2）具有TiC分散颗粒的UFG微结构产品；两者的目的都是为了获得合适的，具有增强性能的聚变装甲材料，特别是在纯钨遭受强烈热降解的极高温度下。

据报道，分散的TiC颗粒可以抑制颗粒的生长，从而提高强度和重结晶控制。此外，弯曲强度和断裂韧性都比相同组和技术生产的参考纯钨高出两倍甚至三倍，这确实是一个巨大的成功。然而，钨的固有脆性不能通过颗粒分散或与钛固溶而增强。相反，晶间断裂的增强更大，DBTT甚至比纯W的断裂高。