Brazing of SiC ceramics pretreated by chromium coating using inactive AgCu filler metal
Source abstract
Abstract
Abstract In this work, chromium coating conducted by magnetron sputtering was introduced to braze SiC ceramics using inactive AgCu filler metal. The results showed that reliable metallurgical bonding of SiC ceramics was obtained at 900°C for 10 minutes. SEM, XRD, and TEM were used to identify the reaction phase in the joint, and the typical interfacial microstructure was SiC/mixed CrSi 2 + Cr 23 C 6 layer/CrSi 2 /Ag(s,s)+Cu(s,s)/CrSi 2 /mixed CrSi 2 + Cr 23 C 6 layer/SiC. The shear strength of SiC joint using chromium coating brazed with inactive AgCu filler metal was 29.6 MPa and the joint fractured at the SiC substrate entirely after shear test. The proposed active element coating method provides a feasible way to achieve the brazing of ceramics.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Advanced ceramic materials synthesis · Advanced materials and composites · MXene and MAX Phase Materials
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
State Key Laboratory of Advanced Welding and Joining Harbin Institute of Technology Harbin China
School of Materials Science and Engineering Nanyang Technological University Singapore Singapore
State Key Laboratory of Advanced Brazing Filler Metals and Technology Zhengzhou Research Institute of Mechanical Engineering Zhengzhou China
Funding
National Natural Science Foundation of China · Natural Science Foundation of Shandong Province
References (39)
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