| Citation: |
WANG Jianzhong, AO Qingbo, MA Jun, LI Aijun. Preparation and compressive properties of Ti alloy fiber porous materials[J]. Powder Metallurgy Technology, 2023, 41(2): 125-130. DOI: 10.19591/j.cnki.cn11-1974/tf.2021080005
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To reduce the cost of Ti and Ti alloy products, the Ti chips (cutting fibers) from the surface of Ti ingots were used as the raw materials to prepare the Ti alloy fiber porous materials by cleaning, cutting, pressing, and high temperature confined sintering. The microstructures were observed, the influence of pressing pressure on porosity was analyzed, and the effects of sintering temperature, fiber width, and porosity on the compressive properties of the Ti alloy fiber porous materials were systemically studied. The results show that, the interior of Ti alloy fiber porous materials is the through-pore. As the increase of the pressing pressure, the porosity of the Ti alloy fiber porous materials decreases. The compressive platform stress of the Ti alloy fiber porous materials sintered at 1200 ℃ is up to 17.34 MPa with the fiber width of 2 mm and the porosity of 56.0%. The titanium alloy fiber porous materials are prepared at zero cost for the raw materials in this paper, which can be applied in the fields of damping, vibration reduction, and impact protection.
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