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

Yinchen Wang; Zhijie Ding; Bin Wang; Zhenyang Zhang; Zhiwei Qin; Jia Yao; Yu Sun; Fengyun Yu; Honggang Dong; PENG Li

doi:10.1039/d5mh02009c

January 1, 2026Materials HorizonsOpen Access

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

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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

Implication

A study demonstrates enhanced joint strength in Ti2AlNb and GH4169 superalloy using an innovative filler, suggesting advances in aerospace manufacturing.

Abstract

Vacuum brazing with an innovative filler alloy is critical for manufacturing high-precision aerospace components requiring exceptional comprehensive performance, yet achieving superior strength in Ti2AlNb/GH4169 brazed joints remains challenging. This study...

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Cite This Study

Wang et al. (2026) studied this question.

synapsesocial.com/papers/696b25cfd2a12237a93492b3 https://doi.org/10.1039/d5mh02009c

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

Key Points

Implication

Abstract

Discussion

Cite This Study

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

Key Points

Implication

Abstract

Discussion

Cite This Study

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