Abstract
Additively manufactured tungsten and its alloys have been widely used for plasma facing components (PFCs) in future nuclear fusion reactors. Under the fusion process, PFCs experience a high-temperature exposure, which will ultimately affect the microstructural features, keeping in mind the importance of microstructures. In this study, microhardness and electron backscatter diffraction (EBSD) techniques were used to study the specimens. Vickers hardness method was used to study tungsten under different parameters. EBSD technique was used to study the microstructure and Kikuchi pattern of samples under different orientations. We mainly focused on selective laser melting (SLM) parameters and the effects of these parameters on the results of different techniques used to study the behavior of samples.
Highlights
Tungsten has been widely studied due to its unique characteristics and comportment under related fusion loading situations such as high melting point, low erosion rate, low sputtering yield, high thermal conductivity, and significant neutron irradiation resistance.Tungsten diverter has been proposed for the International Thermonuclear ExperimentalReactor (ITER), and it is a very important material for the Demonstration Power PlantReactor (DEMO) [1]
Each sample was placed on the Vickers hardness apparatus and five different points were taken on the specimen
The observations were recorded and the relationship between microhardness and other parameters were studied in the observation
Summary
Tungsten has been widely studied due to its unique characteristics and comportment under related fusion loading situations such as high melting point, low erosion rate, low sputtering yield, high thermal conductivity, and significant neutron irradiation resistance.Tungsten diverter has been proposed for the International Thermonuclear ExperimentalReactor (ITER), and it is a very important material for the Demonstration Power PlantReactor (DEMO) [1]. Reactor (ITER), and it is a very important material for the Demonstration Power Plant. Several efforts are required to explain and understand the problems affiliated with tungsten interactions, most importantly, during the maximum heat loads at which conditions are severe and will conclude the durability of the plasma facing components (PFCs). Strong heating exposure of the surfaces will cause dynamic recrystallization and grain growth, resulting in cracking. This is why it is so important for plasma-facing materials to consider the evolution of the microstructure according to ambient temperature [2,3,4]. For a controlled and sustainable nuclear reactor, tungsten is the most suitable material for its chamber
Sign-in/Register to view highlights & summary Sign-in/Register to access full text options 
Free) 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
