Zirconium Wire For Welding Applications

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Zirconium is a hard and lustrous silvery metal, with excellent corrosion resistance and good thermal conductivity. It is unaffected by acids (except HF) and alkalis. Zirconium is used in the chemical industry to manufacture reaction towers, tanks, pipes and pumps for producing hydrogen peroxide, rayon, printing and dyeing chemicals. It is also used in the nuclear industry for reactor cladding and as a structural material. Zirconium has a high melting point and low neutron absorption cross section making it ideal for use in nuclear reactors.

zirconium wire is available in various sizes and thicknesses. It is generally used for welding applications in various industries due to its good electrical and mechanical properties. Zirconium can be welded by conventional techniques such as soldering, brazing and solderless welding. Zirconium is an incredibly strong material and has good corrosion resistance, so it is ideal for use in a wide variety of industrial environments.

In order to improve the thermal conductivity of the zirconium based alloy, it is necessary to increase the proportion of aluminum in the microstructure. However, the alloying of aluminum by rare earth metal (REM) or calcium has not been successful in achieving satisfactory results for the combined mechanical and electrical properties.

In this study, the feasibility of gas tungsten arc welding-based wire arc additive manufacturing for fabricating thin wall structures of niobium-1 wt% zirconium (NbZr1) alloy has been investigated under four heat input conditions. The microstructures of the fabricated NbZr1 thin walls have been characterized by optical microscopy, scanning electron microscopy, X-ray diffraction and energy dispersive spectroscopy. The characterizations reveal that the fabricated thin walls have a columnar dendritic structure with elongated columns in the build direction.