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Volume 25 Issue 7
Jul.  2018
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Vinayak Dakre, D. R. Peshwe, S. U. Pathak,  and Ajay Likhite, Effect of austenitization temperature on microstructure and mechanical properties of low-carbon-equivalent carbidic austempered ductile iron, Int. J. Miner. Metall. Mater., 25(2018), No. 7, pp. 770-778. https://doi.org/10.1007/s12613-018-1625-4
Cite this article as:
Vinayak Dakre, D. R. Peshwe, S. U. Pathak,  and Ajay Likhite, Effect of austenitization temperature on microstructure and mechanical properties of low-carbon-equivalent carbidic austempered ductile iron, Int. J. Miner. Metall. Mater., 25(2018), No. 7, pp. 770-778. https://doi.org/10.1007/s12613-018-1625-4
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研究论文

Effect of austenitization temperature on microstructure and mechanical properties of low-carbon-equivalent carbidic austempered ductile iron

  • 通讯作者:

    Vinayak Dakre    E-mail: vinayakdakre2007@gmail.com

  • The wear resistances of austempered ductile iron (ADI) were improved through introduction of a new phase (carbide) into the matrix by addition of chromium. In the present investigation, low-carbon-equivalent ductile iron (LCEDI) (CE=3.06%, and CE represents carbon-equivalent) with 2.42% chromium was selected. LCEDI was austenitized at two different temperatures (900 and 975℃) and soaked for 1 h and then quenched in a salt bath at 325℃ for 0 to 10 h. Samples were analyzed using optical microscopy and X-ray diffraction. Wear tests were carried out on a pin-on-disk-type machine. The effect of austenization temperature on the wear resistance, impact strength, and the microstructure was evaluated. A structure–property correlation based on the observations is established.
  • Research Article

    Effect of austenitization temperature on microstructure and mechanical properties of low-carbon-equivalent carbidic austempered ductile iron

    + Author Affiliations
    • The wear resistances of austempered ductile iron (ADI) were improved through introduction of a new phase (carbide) into the matrix by addition of chromium. In the present investigation, low-carbon-equivalent ductile iron (LCEDI) (CE=3.06%, and CE represents carbon-equivalent) with 2.42% chromium was selected. LCEDI was austenitized at two different temperatures (900 and 975℃) and soaked for 1 h and then quenched in a salt bath at 325℃ for 0 to 10 h. Samples were analyzed using optical microscopy and X-ray diffraction. Wear tests were carried out on a pin-on-disk-type machine. The effect of austenization temperature on the wear resistance, impact strength, and the microstructure was evaluated. A structure–property correlation based on the observations is established.
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