Solid state reactions in Ni–Al–Ti–C system by mechanical alloying

K Krivoroutchko , Tadeusz Kulik , H Matyja , V.K Portnoy , V.I Fadeeva

Abstract

Several Ni–Al–Ti–C compositions from different areas of the Ni–Al phase diagram containing various amounts of Ti and C were prepared by mechanical alloying. Synthesized samples were investigated by X-ray diffraction and differential scanning calorimetry methods. Solid state reactions in Ni–Al–Ti–C powder mixtures with an equiatomic Ni/Al ratio lead to the formation of NiAl and TiC equilibrium phases. Metastable solid solution of Ni(Al,Ti,C) and non-stoichiometric TiCx are formed in the mixtures with CNi/CAl ratio of 1.7–3. The grain size of metastable intermetallic phases is less than 5 nm, if Ni and Al content in the mixtures corresponds to the dual-phase and Ni3Al-areas of the Ni–Al phase diagram.
Author K Krivoroutchko - [Politechnika Warszawska]
K Krivoroutchko,,
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, Tadeusz Kulik (FMSE / DCFM)
Tadeusz Kulik,,
- Division of Construction and Functional Materials
, H Matyja - [Warsaw University of Technology (PW)]
H Matyja,,
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- Politechnika Warszawska
, V.K Portnoy - [Lomonosov Moscow State University]
V.K Portnoy,,
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, V.I Fadeeva - [Lomonosov Moscow State University]
V.I Fadeeva,,
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Journal seriesJournal of Alloys and Compounds, ISSN 0925-8388
Issue year2000
Vol308
No1–2
Pages230-236
Keywords in EnglishCarbides, Mechanical alloying, Metastable phase, Ni–Al–Ti–C alloys
ASJC Classification2505 Materials Chemistry; 2506 Metals and Alloys; 2210 Mechanical Engineering; 2211 Mechanics of Materials
DOIDOI:10.1016/S0925-8388(00)00802-1
URL http://www.sciencedirect.com/science/article/pii/S0925838800008021
Score (nominal)35
Score sourcejournalList
Publication indicators Scopus Citations = 28; GS Citations = 36.0; WoS Citations = 25; Scopus SNIP (Source Normalised Impact per Paper): 2000 = 0.957; WoS Impact Factor: 2006 = 1.25 (2) - 2007=1.62 (5)
Citation count*36 (2015-04-02)
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* presented citation count is obtained through Internet information analysis and it is close to the number calculated by the Publish or Perish system.
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