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heat affected zone (HAZ)

Standard

ECSS-Q-ST-70-39C DIR1 Welding of metallic materials for flight hardware: Start of Public Review (Due: extended until 30 September 2014)

Definition

portion of the base metal that was not melted during fusion welding or stirred during friction stir welding but whose microstructure and mechanical properties were altered by the heat applied during the welding process

Notes

Relations

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