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In most castings, there are junctions between intersecting component members. This article describes the influence of definite junction and corner configurations on the size and number of defects in different types of steel casting junctions. The types include L-junction, T-junction, V-junction, X-junction, and Y-junction. The article provides an overview of junctions in aluminum castings and a comparison between the T-junction and Y-junction. It illustrates recommended methods for blending abrupt changes in the thickness of a wall to avoid or minimize stress concentration.

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