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Information Journal Paper

Title

NUMERICAL AND EXPERIMENTAL INVESTIGATION OF EXPLOSIVE POWDER COMPACTION PROCESS FOR THE PRODUCTION OF COMPOSITE PARTS AL-B4C

Pages

  59-67

Keywords

AL-B4C POWDERQ2

Abstract

EXPLOSIVE POWDER COMPACTION is one of the developed methods of powder metallurgy that has been investigated due to the limitations of the traditional powder metallurgy. In the process in order to achieve higher density, instead of pressing force, the energy released by the explosion of an explosive is used to compact and sinter the powder simultaneously. EXPLOSIVE POWDER COMPACTION can be done by the two main methods, direct and indirect. In this paper, within the introduction of different methods of EXPLOSIVE POWDER COMPACTION and the history of conducted researches, AUTODYN software has been used to simulate the forming procedure of the Al-B4C powder in which due to the symmetrical nature of the experiment, the modeling was conducted as a two-dimensional axial symmetry. Johnson -Cook model was used to define the materials and the effects of the mass ratio of explosion to powder and water layer thickness on the created pressures in the powder ambient was presented in pressure-time diagrams. The results showed that increasing the ratio of ME/MP from 1.5 to 2.5, increased the created pressure in the powder as much as 15% and increasing the thickness of the water layer to 10mm reduced the created pressure in the powder as much as 31%, that both effects were justified due to the dissipation of energy. Then, some discs were made from the mentioned powder by the explosive method, and their density was 99% of theoretical density.

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  • Cite

    APA: Copy

    GANJI, M., KARIMI KAKAVAND, Y., MEHDIPOOR OMRANI, A., & ALIZADEH, A.. (2015). NUMERICAL AND EXPERIMENTAL INVESTIGATION OF EXPLOSIVE POWDER COMPACTION PROCESS FOR THE PRODUCTION OF COMPOSITE PARTS AL-B4C . JOURNAL OF ENERGETIC MATERIALS, 10(3 (27)), 59-67. SID. https://sid.ir/paper/115343/en

    Vancouver: Copy

    GANJI M., KARIMI KAKAVAND Y., MEHDIPOOR OMRANI A., ALIZADEH A.. NUMERICAL AND EXPERIMENTAL INVESTIGATION OF EXPLOSIVE POWDER COMPACTION PROCESS FOR THE PRODUCTION OF COMPOSITE PARTS AL-B4C . JOURNAL OF ENERGETIC MATERIALS[Internet]. 2015;10(3 (27)):59-67. Available from: https://sid.ir/paper/115343/en

    IEEE: Copy

    M. GANJI, Y. KARIMI KAKAVAND, A. MEHDIPOOR OMRANI, and A. ALIZADEH, “NUMERICAL AND EXPERIMENTAL INVESTIGATION OF EXPLOSIVE POWDER COMPACTION PROCESS FOR THE PRODUCTION OF COMPOSITE PARTS AL-B4C ,” JOURNAL OF ENERGETIC MATERIALS, vol. 10, no. 3 (27), pp. 59–67, 2015, [Online]. Available: https://sid.ir/paper/115343/en

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