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Effect of Pb Addition on the Discontinuous and Continuous Mg17Al12-β Precipitate During Solidification of AZ91 Magnesium Alloy

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Abstract

The purpose of this study is to investigate the effect of varying Pb additions on the precipitation sequence of the as-cast and aged AZ91 alloy. The amount of discontinuous precipitate gets reduced by increasing the Pb addition. The phase fraction of as-cast and aged alloys demonstrates that by Pb addition Mg17Al12 phase is reduced to 37.7 and 38.7 % respectively.

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Acknowledgments

The authors thank CSIR, New Delhi, for its financial support to the first author and the members in the Materials Science and Technology division at NIIST, Trivandrum for their support in the course of the experiments.

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Authors and Affiliations

  1. Materials Science and Technology Division, National Institute for Interdisciplinary Science & Technology (NIIST), CSIR, Thiruvananthapuram, 695019, India

    Arun Boby, U. T. S. Pillai & B. C. Pai

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  1. Arun Boby
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  2. U. T. S. Pillai
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  3. B. C. Pai
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Correspondence to Arun Boby.

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Boby, A., Pillai, U.T.S. & Pai, B.C. Effect of Pb Addition on the Discontinuous and Continuous Mg17Al12-β Precipitate During Solidification of AZ91 Magnesium Alloy. Trans Indian Inst Met 66, 105–108 (2013). https://doi.org/10.1007/s12666-012-0232-8

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  • DOI: https://doi.org/10.1007/s12666-012-0232-8

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