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<p>Reducing weight is a key factor in manufacturing and medical applications. Magnesium has recently been utilized due to its excellent biocompatibility with the human body and various devices, including those used in automobiles. The present study examined two phases designed; the primary phase increased strength by reinforcing organic phases, such as silica and cerium dioxide, with different weight fractions fabricated through the casting technique. In the secondary phase, hydroxyapatite (HA) particles are dispersed at varying percentages in a coating solution, using a dip-coating method combined with a GelMA technique to enhance wear resistance. The WE 43/(20%Si-3%CeO<sub>2</sub>) with a 4% HA coating exhibits high tensile strength and hardness of 983&#xa0;MPa and 345&#xa0;MPa, respectively. The hard reinforcement particles with a 4% HA coating significantly reduced wear loss and coefficient of friction, with the 26% MHCC<sub>2</sub> sample showing the lowest values (0.025&#xa0;g and 0.21&#xa0;µ). The mechanisms were explored using wear mechanism map for coated samples.</p>

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Assessing the In Vitro Biocompatibility and Tribological Properties of WE 43 Alloy Using GelMA Hydrogel Coatings: Effect of Silica Doped with Hydroxyapatite

  • 期刊论文

  • 发表日期：

    2026年2月7日

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  • B. Vinod,
  • Ranga Jarabala,
  • S. Ravindra,
  • K. Anjani Devi,
  • Pasupuleti Baburao

摘要

Reducing weight is a key factor in manufacturing and medical applications. Magnesium has recently been utilized due to its excellent biocompatibility with the human body and various devices, including those used in automobiles. The present study examined two phases designed; the primary phase increased strength by reinforcing organic phases, such as silica and cerium dioxide, with different weight fractions fabricated through the casting technique. In the secondary phase, hydroxyapatite (HA) particles are dispersed at varying percentages in a coating solution, using a dip-coating method combined with a GelMA technique to enhance wear resistance. The WE 43/(20%Si-3%CeO2) with a 4% HA coating exhibits high tensile strength and hardness of 983 MPa and 345 MPa, respectively. The hard reinforcement particles with a 4% HA coating significantly reduced wear loss and coefficient of friction, with the 26% MHCC2 sample showing the lowest values (0.025 g and 0.21 µ). The mechanisms were explored using wear mechanism map for coated samples.