Continuous extrusion of a commercially pure titanium powder via the Conform process

References

• R. K. Islamgaliev, V. U. Kazyhanov, L. O. Shestakova, A. V. Sharafutdinov and R. Z. Valiev: ‘Microstructure and mechanical properties of titanium (grade 4) processed by high-pressure torsion’, Mater. Sci. Eng. A, 2008, 493, (1–2), 190–194. doi: 10.1016/j.msea.2007.08.084
   Web of Science ®Google Scholar
• R. Z. Valiev and T. G. Langdon: ‘Principles of equal-channel angular pressing as a processing tool for grain refinement’, Prog. Mater. Sci., 2006, 51, (7), 881–981. doi: 10.1016/j.pmatsci.2006.02.003
   Web of Science ®Google Scholar
• Y. T. Zhu, T. C. Lowe, R. Z. Valiev and G. J. Raab: ‘Continuous equal-channel angular pressing’, US Patent 7152448, 2006.
   Google Scholar
• D. Green: ‘Extrusion’, US Patent 3765216, 1973.
   Google Scholar
• A. Henly: ‘Conform - continuous extrusion of powder products’, Metal Powder Rep., 1991, 46, 44–47. doi: 10.1016/0026-0657(91)90550-K
   Google Scholar
• J. B. Childs and O. P. McKenna: ‘Continuous friction-actuated extrusion’, UK Patent Application 2087301 A, 1983.
   Google Scholar
• J. East and I. Maxwell: ‘Continuous extrusion of metals’, US Patent 4552520, 1985.
   Google Scholar
• U. K. Sinha and R. D. Adams: ‘Apparatus for conform extrusion of powder feed’, US Patent 5284428, 1994.
   Google Scholar
• J. A. Pardoe: ‘‘Conform’ continuous extrusion of metal powders into products for electrical industry: development experience’, Powder Metall., 1979, 1, 1–7.
   Google Scholar
• C. Etherington: ‘Conform and the recycling of non-ferrous scrap metals’, Conserv. Recycl., 1978, 2, 19–29. doi: 10.1016/0361-3658(78)90025-5
   Web of Science ®Google Scholar
• J. A. Pardoe: ‘Conform continuous extrusion process - its contribution to energy-conservation’, Metals Technol., 1984, 11, 358–365. doi: 10.1179/030716984803275025
   Web of Science ®Google Scholar
• N. J. E. Adkins and P. Tsakiropoulos: ‘Design of powder metallurgy aluminium alloys for applications at elevated temperatures Part 2 Tensile properties of extruded and Conformed gas atomised powders’, Mater. Sci. Technol., 1991, 7, (5), 419–426. doi: 10.1179/mst.1991.7.5.419
   Web of Science ®Google Scholar
• S. Katsas, R. J. Dashwood, G. Todd, M. Jackson and R. Grimes: ‘Characterisation of Conform and conventionally extruded Al–4Mg–1Zr. Effect of extrusion route on superplasticity’, J. Mater. Sci., 2010, 45, (15), 4188–4195. doi: 10.1007/s10853-010-4513-5
   Web of Science ®Google Scholar
• C. A. Poblano-Salas: ‘High temperature properties of Cu-Cr-Zr alloys processed by conventional inverse extrusion of atomised powders and comparison with Conform consolidated powders’, Powder Metall., 2009, 52, (2), 124–134. doi: 10.1179/174329008X293723
   Web of Science ®Google Scholar
• T. Kubina, J. Dlouhy, M. Kövér and J. Hodek: ‘Preparation and thermal stability of ultra fine grained commercially pure titanium wire’, COMAT 2012, 21–22 November 2012, Plzen, Czech Republic, 1–4.
   Google Scholar
• M. Duchek, T. Kubina, J. Hodek and J. Dlouhy: ‘Development of the production of ultrafine-grained titanium with the conform equipment’, Mater. Technol., 2013, 47, 515–518.
   Google Scholar
• J. Hodek, T. Kubina and J. Dlouhy: ‘FEM model and experimental production of titanium rods using Conform machine’, ‘Metal 2013’, 15–17 May 2013, Brno, Czech Republic, 1–6.
   Google Scholar
• R. Wilson: ‘Continuous extrusion of titanium wire from powder feeds’, ‘Int. Titanium Powder Processing, Consolidation and Metallurgy Conf.’, 2–4 December 2013, Hamilton, New Zealand, 2013.
   Google Scholar
• R. Wilson, M. Yousuff, N. A. Stone, D. J. B. Ritchie, G. M. D. Cantin, M. A. Gibson and I. C. Thomas: ‘Extrusion of high temperature formable non-ferrous metals’, US Patent 2014/0000332 A1, 2014.
   Google Scholar
• P. Luo, D. T. McDonald, S. Palanisamy, M. S. Dargusch and K. Xia: ‘Recycling of titanium machining chips by severe plastic deformation consolidation’, J. Mater. Process. Technol., 2013, 213, 469–476. doi: 10.1016/j.jmatprotec.2012.10.016
   Web of Science ®Google Scholar
• ASTM International: ASTM E8/E8M-15a, Standard Test Methods for Tension Testing of Metallic Materials, 2015.
   Google Scholar
• Scientific Forming Technologies Corporation: ‘DEFORM-2D/3D v 10.2’, available at www.deform.com.
   Google Scholar
• C. Stadelmann: ‘Extrusion von Metallpulven durch kontinuierliches Pulverstrangpressen’, PhD thesis, Universität Erlangen - Nürnberg, 2009.
   Google Scholar