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Effect of Overaging Conditions on Microstructure and Mechanical Properties of Maraging Steel

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Metal Science and Heat Treatment Aims and scope

The microstructure and mechanical properties of maraging steel 350 is studied after aging at 500 – 650°C. The yield strength, the ultimate strength, the impact energy, and the hardness of the steel are determined. The volume fraction of reverted austenite after the aging is assessed. The impact energy, the elongation, and the product of the ultimate strength by the elongation are shown to depend on the fraction of reverted austenite in steel 350.

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Acknowledgement

The Authors are highly grateful to the SUPARCO Chairman for the support of the project.

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Authors and Affiliations

  1. Quality Management Directorate General, Pakistan Space and Upper Atmosphere Research Commission (SUPARCO), Karachi, Pakistan

    Fawad Tariq, Madni Shifa & Rasheed Ahmed Baloch

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  1. Fawad Tariq
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  2. Madni Shifa
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  3. Rasheed Ahmed Baloch
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Correspondence to Madni Shifa.

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Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 3, pp. 7 – 14, March, 2020.

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Tariq, F., Shifa, M. & Baloch, R.A. Effect of Overaging Conditions on Microstructure and Mechanical Properties of Maraging Steel. Met Sci Heat Treat 62, 188–194 (2020). https://doi.org/10.1007/s11041-020-00535-y

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  • DOI: https://doi.org/10.1007/s11041-020-00535-y

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