Welding Tantalum Crucibles

Grade: R05200, Ta1

Standard: ASTM B708

Specifications: They can be altered to meet customer needs.

Production process: forging, machining, stamping.

Applications for welding tantalum crucibles

Welding tantalum crucibles have strong resistance to high temperature and deformation and are widely used in rare earth smelting, high-temperature sintering loading plates, chemical corrosion-resistant containers, sputtering, evaporation, containers, etc.

Some developed countries, such as the United States, Germany, etc., use tantalum and its alloys for specific scenarios such as aviation, aerospace, weapons and equipment, nuclear power, engines, chemical equipment, etc., and carry out a series of systematic research according to the service environment, covering welding process, weld structure composition, mechanical properties, finite element simulation, corrosion behavior, etc.; Welding equipment has undergone argon/helium arc welding, explosion welding, electron beam welding, laser welding, etc., with strong continuity and inheritance. After literature research on foreign development history, it is shown that the main development trends of tantalum welding are:

(1) Tantalum weld microstructure control method, welding process research, and weld forming mechanism based on numerical analysis. Establish an accurate analysis model to simulate difficult welding experiments, and then guide the regulation of weld structure and the adjustment of the welding process; The evolution of weld structure is analyzed by material calculation to clarify the weld forming mechanism.

(2) Study on the internal relationship between weld microstructure and performance characterization. The microscopic microstructure of tantalum weld grains is closely related to the electrochemical properties and mechanical properties of welds, and the key to obtaining high-reliability welds lies in effective weld microstructure control.

(3) Research on the failure mechanism of tantalum weld. At present, the research on the damage mechanism of tantalum welds at home and abroad is relatively weak, and tantalum is in service with high temperatures and a strong corrosion environment, and the damage mechanism of tantalum welds can effectively guide the improvement of the welding process and tissue regulation, which is one of the main directions of tantalum welding research.

(4) Welding equipment trend: welding heat source to higher energy density equipment development, laser welding, and electron beam welding has become the ideal welding heat source for tantalum.

The welding level of the tantalum crucible in our factory has also reached an international advanced level, and the welding method is consistent with the mainstream welding method of foreign countries. If you have the need to welding tantalum crucibles, please feel free to consult and place an order.

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