Selective laser melting of the Ti–(40–50) wt.% Nb alloy

Yu P. Sharkeev, A. I. Dmitriev, A. G. Knyazeva, A. Yu Eroshenko, A. A. Saprykin, M. A. Khimich, E. A. Ibragimov, I. A. Glukhov, A. M. Mairambekova, A. Yu Nikonov

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Experimental macrosamples of Ti–(40–50) wt.% Nb alloy were produced using a method of selective laser melting (SLM) from a Ti and Nb composite powder obtained by mechanical alloying in a high-energy planetary ball mill from pure titanium and niobium powders. The SLM process of a Ti–Nb alloy was modeled on micro- and macroscale levels. The necessity of additional heating the powder layer and substrate for successful occurrence of the SLM process on the microscale level was shown. Based on the calculations of the temperature field of the powder layer in the course of the SLM process, the modes and parameters of the SLM process required for the production of macrosamples of Ti–Nb system alloys were determined and specified. The Ti–45 wt.% Nb and Ti–48 wt.% Nb alloys formed as a result of SLM have a two-phase state. This state is represented by the matrix phase of β-bcc solid solution of titanium and niobium and by the nonequilibrium martensite α’’-phase.

Original languageEnglish
Pages (from-to)161-183
Number of pages23
JournalHigh Temperature Material Processes
Volume21
Issue number2
DOIs
Publication statusPublished - 1 Jan 2017

Fingerprint

Melting
melting
Powders
Lasers
Niobium
lasers
Titanium
niobium
microbalances
titanium
Ball mills
Mechanical alloying
Laser modes
martensite
Martensite
alloying
balls
Solid solutions
Temperature distribution
temperature distribution

Keywords

  • Mechanical properties
  • Microscale and macroscale levels
  • Microstructure
  • Modeling
  • Phase composition
  • Selective laser melting
  • Ti-Nb alloy

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Energy Engineering and Power Technology
  • Engineering(all)
  • Spectroscopy
  • Physical and Theoretical Chemistry

Cite this

Selective laser melting of the Ti–(40–50) wt.% Nb alloy. / Sharkeev, Yu P.; Dmitriev, A. I.; Knyazeva, A. G.; Eroshenko, A. Yu; Saprykin, A. A.; Khimich, M. A.; Ibragimov, E. A.; Glukhov, I. A.; Mairambekova, A. M.; Nikonov, A. Yu.

In: High Temperature Material Processes, Vol. 21, No. 2, 01.01.2017, p. 161-183.

Research output: Contribution to journalArticle

Sharkeev, Yu P. ; Dmitriev, A. I. ; Knyazeva, A. G. ; Eroshenko, A. Yu ; Saprykin, A. A. ; Khimich, M. A. ; Ibragimov, E. A. ; Glukhov, I. A. ; Mairambekova, A. M. ; Nikonov, A. Yu. / Selective laser melting of the Ti–(40–50) wt.% Nb alloy. In: High Temperature Material Processes. 2017 ; Vol. 21, No. 2. pp. 161-183.
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