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← ScienceWhich mechanism weakens adhesion between metal-matrix composites and matrix?
A)Galvanic corrosion at phase boundaries✓
B)Oxide layer formation during sintering
C)Grain boundary segregation enhancement
D)Hydrogen embrittlement in the metallic lattice
💡 Explanation
Galvanic corrosion at phase boundaries weakens adhesion, because electrochemical potential differences drive metal loss. This is due to oxidation-reduction, therefore interfacial voids increase weakening the mechanical bonding rather than other metallurgical defects under similar conditions.
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