首页|Latent heat of crystallization and precursor film induced superior wettability of tungsten heavy alloy by Cu–Ti based amorphous alloys

Latent heat of crystallization and precursor film induced superior wettability of tungsten heavy alloy by Cu–Ti based amorphous alloys

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  • NSTL
  • Elsevier
? 2021We synthesized a series of Cu–Ti based crystalline and amorphous brazing filler metals (BFMs) and further investigated the microstructure characteristics and melting features for comparison. The presence of precursor film together with latent heat of crystallization showed a significant effect on the enhanced wettability of amorphous BFMs/tungsten heavy alloy (WHA) system. The wetting and spreading mechanism were addressed in a view of atomic adsorption and diffusion. The brazed joints showed effective interface bonding and high shear strength, especially at elevated temperature (up to 364 MPa at 400 °C). This study demonstrates the great superiority and feasibility of amorphous brazing filler metals in the joining of WHAs.

Amorphous materialsInterfacesNuclear reactor materialsRapid solidificationWetting

Xu Y.、Qiu X.、Wang S.、Xing F.、Guo R.

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Key Laboratory of Automobile Materials (Ministry of Education) School of Materials Science and Engineering Jilin University

Key Laboratory of Symbol Computation and Knowledge Engineering of Ministry of Education School of Computer Science and Technology Jilin University

2022

10.1016/j.ijrmhm.2021.105722

International Journal of Refractory Metals & Hard Materials

International Journal of Refractory Metals & Hard Materials

SCI
ISSN：0263-4368
年,卷(期)：2022.102
  • 32