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Refeered Papers

Bulk high hardness Al90Ce2Mn8 alloy prepared by powder metallurgy

Pages 80-82 | Published online: 19 Jul 2013
 

Abstract

Using powder metallurgy, bulk high strength Al90Ce2Mn8 alloy 25 mm in diameter by 10 mm with near nil porosity has been obtained under certain pressing and heating conditions. The conditions for the best mechanical properties are a pressing temperature of 753-793 K, a pressing time of 30 min, and pressing stress of 1·2 GPa. The compression strength reaches 895 MPa with a hardness of 26 HRC when the alloy is pressed at 753 K. The strength increase is attributed to second phase strengthening and fine grain strengthening.

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