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      The development of porous titanium products using slip casting

      Xu, Qian; Gabbitas, Brian; Matthews, Steven; Zhang, Deliang
      DOI
       10.1016/j.jmatprotec.2013.03.011
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      Xu, Q., Gabbitas, B., Matthews, S., & Zhang, D. (2013). The development of porous titanium products using slip casting. Journal of Materials Processing Technology, 213(8), 1440-1446.
      Permanent Research Commons link: https://hdl.handle.net/10289/7593
      Abstract
      An optimized titanium slurry was developed from 43 vol.% of titanium powder, 0.3 dw.% of dispersant, 0.8 dw.% of plasticizer and 0.8 dw.% of binder, mixed with a balance of distilled water, which produced a viscosity of 40 cP. It was then poured into a plaster mold to form compacts with a green density of 45%. Thermal debinding was carried out at 320 ℃ with an argon flow for 2 h, followed by vacuum sintering different samples at 1000 ℃ and 1200 ℃ for 0.5 h, respectively. The porous sintered compacts had satisfactory tensile strength with some plastic deformation. The increase in oxygen and carbon content during processing was minor. An X-ray diffraction pattern showed pure alpha titanium peaks without any indication of contamination from organic additives. The results from this investigation suggested that slip casting is a potentially low-cost, simple production route for manufacturing porous titanium products.
      Date
      2013
      Type
      Journal Article
      Publisher
      Elsevier
      Collections
      • Science and Engineering Papers [3122]
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