Defect characteristics and detection methods Fine wrinkles on the surface of casting or dark gray flakes peeling off from the

Defect characteristics and detection methods There are gray white powder like spots or scabs on the thick parts of the

1) Identification of casting defects in sand casting Casting failure refers to the defect on the casting, incomplete outline shape,

Defect characteristics and detection methods It is an open hole or a dark hole embedded with molding materials on the

Defect characteristics and detection methods The appearance is the striated or herringbone pits that are not closed by the alloy

1) Identification of wrong pattern in sand casting Wrong mold is the defect that one part of the casting and

Defect characteristics and detection methods Slag inclusions with gray and gray black fracture are often found in the parts or

Defect characteristics and detection methods Dark gray clusters or single distribution on the upper horizontal surface of the casting, or

Shrinkage cavity and porosity are the most common defects in castings. Shrinkage cavity is produced by poor feeding during solidification