Technology of Ti-Al-Nb Obtaining by Use of Spark Plasma Sintering Method

Abstract:

This method grants effective control of the porosity of the sintering materials and ability to obtain compactly packed samples, where simple pressing is not feasible. Spark plasma sintering is one of the probable methods that could lead to larger energy efficiency in material manufacturing. Upon use of SPS, there is no need to “pre-heat” the material by use of pressure or additional use of connecting agents or components. Manufacture of the components is being finished at the instant. Initial microstructure of the powder is being saved. Besides, with use of analyzing method, it is possible to obtain material of the new type, ones that are have resistance to heat. Use of SPS technology could imply lesser time of sintering for highly packed specimens. Decrease of time implies decrease of microstructural changes as a result of diffusion controlled phase changes. Taking into account what has been mentioned above, choosing the best suitable regime for Ti-Al-Nb proposes a variety of intermetallic junctions and could be used for creation of alloys with different physical-mechanical properties. This study concentrates on optimal regime of obtaining intermetallic junction based on Ti-Al-Nb with use of spark plasma sintering.

• Periodical: Key Engineering Materials (Volume 743)
• Pages: 41-44
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.743.41
• Online since: July 2017
• Authors: Ernat Kozhahmetov*, Batyrzhan Karakozov, Sherzod Rustambekovich Kurbanbekov
• Keywords: Alloys Based on Ti–Al–Nb, Intermetallics, Spark Plasma Sintering Method

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