Experimental Investigation of Phase Equilibria in the Co-Ta-Si Ternary System.
Experimental Investigation of Phase Equilibria in the Co-Ta-Si Ternary System.
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DOI：
10.3390/ma15093097
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发表时间：
2022-04-25
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影响因子：
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In this work, two isothermal sections of the Co-Ta-Si ternary system at 900 °C and 1100 °C are constructed in the whole composition range via phase equilibrium determination with the help of electron probe microanalysis (EPMA) and X-ray diffraction (XRD) techniques. Firstly, several reported ternary phases G (Co16Ta6Si7), G″ (Co4TaSi3), E (CoTaSi), L (Co3Ta2Si) and V (Co4Ta4Si7) are all re-confirmed again. The G″ phase is found to be a kind of high-temperature compound, which is unstable at less than 1100 °C. Additionally, the L phase with a large composition range (Co32–62Ta26–36Si10–30) crystallizes with a hexagonal crystal structure (space group: P63/mmc, C14), which is the same as that of the binary high-temperature λ1-Co2Ta phase. It can be reasonably speculated that the ternary L phase results from the stabilization toward low-temperature of the binary λ1-Co2Ta through adding Si. Secondly, the binary CoTa2 and SiTa2 phases are found to form a continuous solid solution phase (Co, Si)Ta2 with a body-centered tetragonal structure. Thirdly, the elemental Si shows a large solid solubility for Co-Ta binary compounds while the Ta and Co are hardly dissolved in Co-Si and Ta-Si binary phases, respectively.
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DOI：
10.3390/ma14143886
发表时间：
2021-07-12
期刊：
Materials (Basel, Switzerland)
影响因子：
--
作者：
Ledwig P;Kac M;Kopia A;Falkus J;Dubiel B
通讯作者：
Dubiel B
DOI：
10.1016/j.msea.2017.08.034
发表时间：
2017-09-29
影响因子：
6.4
作者：
Bocchini, Peter J.;Sudbrack, Chantal K.;Seidman, David N.
通讯作者：
Seidman, David N.
影响因子：
2.9
作者：
Berthod, Patrice;Ozouaki Wora, Synthia Annick;Etienne, Erwan
通讯作者：
Etienne, Erwan
影响因子：
6.2
作者：
Lass, Eric A.
通讯作者：
Lass, Eric A.
DOI：
10.1016/0022-5088(85)90266-8
发表时间：
1985-01-01
期刊：
JOURNAL OF THE LESS-COMMON METALS
影响因子：
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作者：
TROJKO, R;BLAZINA, Z
通讯作者：
BLAZINA, Z