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      Joint effect of steel addition and press-and-sinter on the properties of low-cost PM Ti Alloys

      Bolzoni, Leandro; Ruiz-Navas, Elisa María; Gordo, Elena
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      978-3-0357-1163-9_50.pdf
      Accepted version, 378.7Kb
      DOI
       10.4028/www.scientific.net/KEM.770.248
      Link
       www.scientific.net
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      Bolzoni, L., Ruiz-Navas, E. M., & Gordo, E. (2018). Joint effect of steel addition and press-and-sinter on the properties of low-cost PM Ti Alloys. Key Engineering Materials, 770, 248–254. https://doi.org/10.4028/www.scientific.net/KEM.770.248
      Permanent Research Commons link: https://hdl.handle.net/10289/11901
      Abstract
      Cheap alloying elements and creative processing techniques are a way forward to open up more industrial opportunities for Ti in sectors where it is not extensively applied yet, rather than in aerospace and biomedical applications. This study focuses on understanding the joint effect of using a commercial steel powder to add Fe to pure Ti and its processing by press-and-sinter on the behaviour of low-cost PM Ti alloys. It is found that the calibrated addition of steel permits to develop new low-cost Fe-bearing Ti alloys that can satisfactorily be produced using the blending elemental PM approach. Densification of the samples and homogenization of the chemical composition are enhanced by the high diffusivity of Fe. The low-cost α+β alloys reach comparable physical and mechanical properties to those of wrought-equivalent PM Ti alloys, such as Ti-6Al-4V, and are therefore promising candidates for load-bearing lightweight products.
      Date
      2018
      Type
      Journal Article
      Publisher
      Trans Tech Publications
      Rights
      This is an author’s accepted version of an article published in the journal: Key Engineering Materials. © 2018 Trans Tech Publications, Switzerland.
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      • Science and Engineering Papers [3069]
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