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  1. taila

    Coremaking

    What is the relationship between the compression strength of the sand core and it's breaking strength during casting.I am doing compression testing on silica sand cores made from cold boxes and I'm not sure if the results obtained can be used to determine if the core will not break during...
  2. taila

    Aluminium Casting ( Solidification Defect or not?)

    I am working in an aluminium pressure die casting using reclaimed silica sand for coremaking.We manufacture cylinder heads.Recently we've been getting cracks on the inner edge of the boss area.Visual examination revealed no foreign particles and microscopic evaluation revealed large shrinkage...

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