Why is it common for greater permeability, collapsibility, and refractoriness to be required of cores than for

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Why is it common for greater permeability, collapsibility, and refractoriness to be required of cores than for the base molding sand?

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Materials and process in manufacturing

ISBN: 978-0471656531

9th edition

Authors: E. Paul DeGarmo, J T. Black, Ronald A. Kohser

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Question Posted: May 24, 2016 04:08 AM

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Why is it common for greater permeability, collapsibility, and refractoriness to be required of cores than for

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Since cores may be nearly surrounded by molten metal they ...View the full answer

Materials and process in manufacturing

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