Synthesis of titanium carbosilicides in Ti-Si and Ti-Si-Cu systems under mechanical alloying of elemental powders in liquid hydrocarbon

被引：4

作者：

Eryomina, M. A. ^{[1
]}

Lomayeva, S. F. ^{[1
]}

Demakov, S. L. ^{[2
]}

机构：

[1] Udmurt Fed Res Ctr UB RAS, 34 T Baramzinoy St, Izhevsk 426067, Russia

[2] Ural Fed Univ, 28 Mira St, Ekaterinburg 620002, Russia

来源：

JOURNAL OF SOLID STATE CHEMISTRY | 2020年 / 290卷 / 290期

关键词：

Titanium carbosilicides; Mechanical alloying; Liquid hydrocarbons; Oxides; Structural phase state; CRYSTAL-STRUCTURE; TI3SIC2; TI5SI3; TEMPERATURE; MICROSTRUCTURE; PHASE; NI; AL; NANOCOMPOSITES; CONSOLIDATION;

D O I：

10.1016/j.jssc.2020.121575

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The paper studies synthesis of titanium carbosilicides in Ti-Si and Ti-Si-Cu systems under mechanical alloying of elemental powders of Ti, Si and Cu in a liquid hydrocarbon and subsequent annealing at 900 and 1300 degrees C. It has been shown that mechanical alloying of Ti-Si system facilitates the formation of Ti5Si3Cx carbosilicide as well as Ti(C,H) carbohydride which further transforms into TiC under annealing. The MAX phase Ti3SiC2 is formed in a small amount only after annealing. In addition to Ti5Si3Cx and TiC, a phase in amount of similar to 40 vol% is formed in the Ti-Si-Cu system after annealing, with the structure of Fd (3) over barm type and a lattice parameter of 11.12-11.13 angstrom, being an oxide or oxycarbide of the Ti-Cu-Fe system.

引用

页数：8

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