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Production of Titanium-Hydroxyapatite Composite Particles by Mechanical Alloying
Abstract:
Biomaterials are significantly required for medical technology. Hydroxyapatite (HA) is a bioactive material and is an excellent candidate for use as a bone replacement or bone repair material. Because HA has similar properties to human bone. However, the disadvantage of HA is its low mechanical strength. Titanium (Ti) is the famous material used to strengthen the strength of HA. This is because Ti can be used in the human body without causing undesirable reactions. The development of Ti-HA composite materials provides a bioactive material with high-strength properties. The homogeneous microstructure of materials, which is essential for achieving the required properties, can be accomplished by using composite particles as the starting materials. This research aims to develop the Ti-HA composite particles by mechanical alloying method. The mixture of Ti and HA in a mass ratio of 70:30 (Ti:HA) was milled by using a high-energy mill, i.e., a vibration mill, at a speed of 750 and 1000 rpm for 30, 60, 120, 180 and 300 minutes without inert gas supply. The results show that the Ti-HA composite particles were produced by using a vibration mill. HA particles completely cover the surface of Ti. No phase change of Ti and HA was observed under all milling conditions except at 1000 rpm for 300 minutes. The tiny XRD peaks of TiO were observed. This study developed an effective and low-cost method for producing Ti-HA composite particles, which is advantageous to engineering and medical technology.
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59-64
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October 2025
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© 2025 Trans Tech Publications Ltd. All Rights Reserved
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