Relationship between Ductility and Wear Resistance of High Mn-Steels

  • N. A. A. Rahim Aly
  • M. R. El-Koussy


The aim of the present work is to study the relationship between ductility, yield stress and abrasive wear resistance of high manganese steels containing from 0.53 to 0.95% C and from 12.5 to 18.3% Mn and about 1% Mo. The specimens were studied in the as cast state. Factorial analysis was applied in this work. The two investigated factors were carbon and manganese content. Abrasive wear resistance was studied in wet sand using a laboratory tumbling mill. The relative weight loss was calculated after 240 hours of testing. Some specimens were subjected to compression test. The obtained stress strain curves were used to calculate the yield stress, σ0·2, the strain hardening coefficient, n, and the strength coefficient, K. The strain hardening coefficient was used as a measure of ductility.

As a result of this experiment four regression equations were obtained. Using these equations the relative weight loss, the strain hardening exponent, the yield stress and strength coefficient were predicted for composition which were not experimentally investigated. The predicted and experimental values were used to construct four charts showing the changes of the investigated parameters with changing carbon content from 0.3 to 1.0% and manganese content from 6 to 24%.


Wear Resistance Stack Fault Energy Manganese Content High Wear Resistance Strength Coefficient 
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Copyright information

© Springer Science+Business Media Dordrecht 1990

Authors and Affiliations

  • N. A. A. Rahim Aly
    • 1
  • M. R. El-Koussy
    • 1
  1. 1.Cairo UniversityGizaEgypt

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