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1. Gas defects in castings can occur when gases are trapped during pouring or precipitate out of solution during solidification. 2. Gases may be trapped from entrained air or evolved from reactions with the mold, resulting in defects like blows or pinholes. Proper venting and controlling gas-forming substances in the mold can prevent entrapment defects. 3. During solidification, dissolved gases like hydrogen can precipitate out due to their much lower solubility in the solid than liquid. Reaction of ele

Author

Luis Arturo Ramirez

Language

EN