Which failure mode is most likely when epoxy-coated rebar is bent sharply in cold weather conditions?

💡 Explanation

When epoxy-coated rebar is bent sharply in cold weather, the epoxy coating can delaminate because the epoxy becomes brittle at low temperatures, damaging its adhesion properties. Therefore, coating delamination causes corrosion rather than embrittlement, spalling, or degradation which each require distinct mechanisms.

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