Enhancement of Joint Properties in B 4 C/TC4 Connections by adding AlN to AgCuTi brazing materials
Source abstract
Abstract
In this study, the surface treatment of boron carbide ceramics was conducted, and an AgCuTi-AlN + AgCu foil composite brazing material system containing aluminum nitride (AlN) particles were employed to connect B4C ceramics and TC4. The addition of 3 wt% AlN improved the structure of the intermediate layer, providing more nucleation sites for solid solution, resulting in a more compact microstructure. However, with an increased AlN content of 6 wt%, the fluidity of the brazing material decreased, leading to a degradation of mechanical properties. When the AgCuTi-3wt%AlN + AgCu foil composite brazing material system was applied for the joining process at 850°C, the highest shear strength obtained was 68 MPa, representing a 70% increase compared to the non-additive condition.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Advanced ceramic materials synthesis · Aluminum Alloys Composites Properties · Advanced materials and composites
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Chinese Academy of Sciences
Funding
Innovation Fund of Shanghai Institute of Ceramics, Chinese Academy of Sciences
References (43)
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