![]() Blast Furnace: Introduction, Definition, Construction, Working Principle, Applications & Advantages 8.(ii) Wise use of chills (a chill is an object which is used to promote solidification in a specific portion of a metal casting) and padding. (i) This defect can be removed by applying principle of directional solidification in mold design. ![]() Metallurgical defects: Hot tears, hot spot. ![]() Pouring metal defects: Cold shut, misrun, slag inclusionĥ. Mold material defects: Cut and washes, swell, drops, metal penetration, rat tailĤ. Gas Porosity: Blowholes, open holes, pinholesģ. TypesĬasting defects can be categorized into 5 typesġ. Some of the defects produced may be neglected or tolerated and some are not acceptable, it must be eliminated for better functioning of the parts. Here in this section we will discuss all the major types of casting defects. There is various reason or sources which is responsible for the defects in the cast metal. It is an unwanted irregularities that appear in the casting during metal casting process.
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