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← HistoryWhen annealing Damascus Wootz steel, embrittlement risks which microstructural mechanism?
A)Cementite network precipitation✓
B)Austenite grain boundary migration
C)Pearlite grain size reduction
D)Ferrite phase composition homogeneity
💡 Explanation
Cementite precipitation leads to embrittlement at grain boundaries because carbon migrates and forms brittle networks rather than remaining dispersed in the ferrite matrix; therefore, the material loses toughness rather than gaining targeted flexibility properties.
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