Synthesis, crystal structure, and density of (W1-xAlx)C
Data(s) |
2004
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Resumo |
A new solid solution system of Al in WC, with the stoichiometry of (W1-xAlx)C (x = 0.10, 0.25, 0.50, 0.75, 0.86), has been synthesized by a solid-state reaction between W1-xAlx alloys and carbon at around 1673 K in vacuum. Environment scanning electron microscope, energy- dispersive analysis of X-ray, X-ray photoelectron spectroscopy, and inductively coupled plasma analyses are used to certify the formation of the products. The mechanism of the solid-state reaction is also discussed. (W1-xAlx)C is identified to crystallize in the hexagonal space group P6m2 (No. 187) and belongs to the WC structure type. The atoms of W and Al occupy the same lattice site (la site) in the cell of (W1-xAlx)C. The cell parameters for each specimen in the phase of W-AI-C are quite close to that of WC, while their densities are far lower than that of WC. |
Identificador | |
Idioma(s) |
英语 |
Fonte |
Yan JM;Ma XF;Zhao W;Tang HG;Zhu CJ.Synthesis, crystal structure, and density of (W1-xAlx)C,JOURNAL OF SOLID STATE CHEMISTRY,2004,177(7):2265-2270 |
Palavras-Chave | #MECHANICAL-PROPERTIES #CEMENTED CARBIDES #WC #HARDMETALS #FE #CO |
Tipo |
期刊论文 |