Processing of Porous 316L Stainless Steel by Replacing Metal Powder with Saccharose

  • Authors

    • Nor ‘Aini Wahab
    • Ismail Nasiruddin Ahmad
    • Nurul Farhana Omar
    • Nurul Fatahah Asyqin Zainal
    • Tamil Moli Loganathan
    2018-11-27
    https://doi.org/10.14419/ijet.v7i4.18.21923
  • Metal injection molding, porous, saccharose, space holder, 316L stainless steel.

  • Porous metallic implants with highly interconnected open pores structure are capable to offer solution to concerns related to ‘stress shielding’ effect which will eventually lead to bone resorption. Metal Injection Moulding (MIM) incorporated with space holder technique is a cost-effective way that can be used to produce small, intricate geometry metallic parts with a well-controlled pores structure. In this paper, the metal injection moulding (MIM) route with a space holder material replication is investigated by incorporation of Saccharose as a space holder material at the stage of powder-binder mixing; followed by injection moulding. The study was conducted by replacing the 316L stainless steel (316L SS) powder with increasing volume fraction of saccharose while maintaining the solid loading at a constant value of 65% and utilizing a composite binder system comprising of palm stearin (PS) and low-density polyethylene (LDPE). The experimental results obtained showed that the sintered density and mechanical properties are reduced with increasing saccharose substituted. The presence of interconnected open pores which are homogenously distributed range from 15.2% to 30.7% as the volume fraction of irregular saccharose increases from 20% to 40%. In addition, the findings obtained clearly indicated that saccharose has great potential to be utilised as a non-carcinogenic spacer in forming near net-shape porous 316L stainless steel.

     

     

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  • How to Cite

    ‘Aini Wahab, N., Nasiruddin Ahmad, I., Farhana Omar, N., Fatahah Asyqin Zainal, N., & Moli Loganathan, T. (2018). Processing of Porous 316L Stainless Steel by Replacing Metal Powder with Saccharose. International Journal of Engineering & Technology, 7(4.18), 232-236. https://doi.org/10.14419/ijet.v7i4.18.21923