|
|||||
|
|
Partial Redetermination of the Fe-W Phase Diagram |
|
| Authors: | Annie Antoni-Zdziobek Thierry Commeau Jean-Marc Joubert |
| Affiliation: | 1. SIMAP, INP Grenoble-CNRS-UJF, BP 75, 38402, Saint-Martin d’Hères, France 2. Eurotungstène, Eramet Group, 9 Rue André Sibellas, BP 152X, 38100, Grenoble Cedex 9, France 3. Chimie Métallurgique des Terres Rares, Institut de Chimie et des Matériaux Paris-Est, CNRS, Université Paris-Est Créteil, 2-8 Rue Henri Dunant, 94320, Thiais Cedex, France |
| Abstract: | The objective of the current study is to perform a careful investigation of the (Fe) and (W) solvus and of the intermetallic compounds in the Fe-W system as it could have a significant impact on higher-order systems based on this binary system. Two key alloys, Fe-14 at. pct W and Fe-50 at. pct W, and a diffusion couple were synthesized based on the literature. They were studied by long time annealing experiments with a selected heat treatment route, X-Ray diffraction analysis, and electron microprobe analysis with a careful control of impurity levels of C, Si, and O. The two intermetallic phases μ-Fe7W6 and λ-Fe2W are characterized and the composition range of the μ-Fe7W6 phase is specified. The phase previously reported as FeW is most probably a ternary carbide with low carbon content. An accurate determination of the solubility of W in αFe and of Fe in αW is presented. |
| Keywords: | |
| 本文献已被 SpringerLink 等数据库收录！ | |