Local Brittle Zones Lbz
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1. Experimental assessment of heat affected zone fracture toughness of a welded API 5L X80 steel. / Determinação experimental da tenacidade à fratura da zona termicamente afetada de junta soldada de aço API 5L X80.
This work evaluates the possible correlation between low fracture toughness (critical CTOD) and local brittle zones (LBZ) occurrences in heat affected zone (HAZ) coarse grain regions. The fracture toughness of a welded API 5L X80 steel was characterized using SE(B) specimens for CTOD determination with notches located in the HAZ. The specimen dimensions are
Publicado em: 2009