High-entropy gradient filler metal enables high-strength joints of Ti2AlNb and GH4169 superalloy

Key Points

• This research aims to improve the strength of brazed joints between Ti2AlNb and GH4169 superalloy using a high-entropy gradient filler alloy.
• Utilized vacuum brazing technique
• Employed an innovative high-entropy filler metal
• Analyzed joint performance and strength under stress conditions
• Achieved significantly higher joint strength compared to traditional methods
• Demonstrated improved comprehensive performance in aerospace applications
• Provided insights into the effectiveness of high-entropy alloys for brazing