Abstract
The formation of metastable C40–MoSi2 and C49–TiSi2 during the mechanical alloying of metal/silicon powder mixtures has been investigated by x-ray diffraction. The mechanical alloying of a Si-rich Mo/Si powder mixture results in the formation of both C11b–MoSi2 and C40–MoSi2. The C40–MoSi2 phase is metastable and transforms to C11b–MoSi2 after annealing at 850 °C. The mechanical alloying of a stoichiometric Ti/Si powder mixture leads to the incipient formation of C49–TiSi2 and the subsequent polymorphic transformation to C54–TiSi2. The lattice parameters of C49–TiSi2, as determined from a mechanically alloyed Ti/Si powder sample that has been annealed at 700 °C, are as follows: a0=3.56 Å, b0=13.57 Å, and c0=3.55 Å.
References
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Dates
Type | When |
---|---|
Created | 23 years, 1 month ago (July 26, 2002, 9:52 a.m.) |
Deposited | 1 year, 7 months ago (Feb. 2, 2024, 2:59 p.m.) |
Indexed | 2 months ago (July 4, 2025, 9:03 a.m.) |
Issued | 28 years, 3 months ago (May 15, 1997) |
Published | 28 years, 3 months ago (May 15, 1997) |
Published Print | 28 years, 3 months ago (May 15, 1997) |
@article{Yen_1997, title={X-ray diffraction study of solid-state formation of metastable MoSi2 and TiSi2 during mechanical alloying}, volume={81}, ISSN={1089-7550}, url={http://dx.doi.org/10.1063/1.365228}, DOI={10.1063/1.365228}, number={10}, journal={Journal of Applied Physics}, publisher={AIP Publishing}, author={Yen, Bing K.}, year={1997}, month=may, pages={7061–7063} }