Brazing Inconel 600 Using the VZ-2150 Filler for Plate Heat Exchanger
The purpose of this investigation is focused on brazing Inconel 600 alloy using the nickel-based VZ-2150 filler foil for advanced plate heat exchanger application. Based on SEM microstructural observations and WDS chemical analysis results, both the amount and shape of precipitates in the brazed joint are changed with brazing parameters. With increasing the brazing temperature and/or time results in depletion of the boron from the joint into the grain boundary of base metal. The amount of boride in the joint is greatly decreased, and continuous grain boundary boride will dominate the entire brazed joint. However, the continuous grain boundary boride cannot be completely eliminated by increasing the brazing temperature and/or time.
Chi-Yuan A. Tsao
C. H. Hsu and R. K. Shiue, "Brazing Inconel 600 Using the VZ-2150 Filler for Plate Heat Exchanger", Key Engineering Materials, Vol. 732, pp. 1-4, 2017