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SOME EFFECTS OF COPPER ADDITIONS TO PEARLITIC MALLEABLE IRON

3462
Journal: Transactions of the American Foundrymen's Society V 71 P 477-480, 1963 (4 p)
Author: Burgess, P B

The effects of copper additions on the mechanical properties of pearlitic malleable have been investigated for both air quenched and liquid quenched grades. A range of copper contents from about 0.5 per cent to about 1.5 per cent was investigated. It was found that addition of copper up to about one per cent produced a distinct improvement in mechanical properties in air quenched pearlitic malleable. This improvement appeared to be the result of an increase in hardenability. It was found that still further improvement in mechanical properties could be obtained by age hardening. Further investigation of copper alloyed pearlitic, especially for possible production of high strength air quenched material, appears warranted.



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