期刊
INTERMETALLICS
卷 34, 期 -, 页码 142-147出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.intermet.2012.10.004
关键词
Intermetallics miscellaneous; Phase diagrams; Phase identification; Order/disorder transformations
资金
- FWF [P21507-N19, MP0602]
- DFG [1559-N19, SPP 1473]
Phase diagram investigation of the Cu-Sn system was carried out on twenty Cu-rich samples by thermal analysis (DTA), metallographic methods (EPMA/SEM-EDX) and crystallographic analysis (powder XRD, high temperature powder XRD). One main issue in this work was to investigate the high temperature phases beta (W-type) and gamma (BiF3-type) and to check the phase relations between them. In the high temperature powder XRD experiments the presence of the two-phase-field between the beta- and the gamma-phase could not be confirmed. Detailed study of primary literature together with our experimental results leads to a new phase diagram version with a higher order transformation between these two high temperature phases. The present work is designated as part I of our joint publication. The new findings described here have been included into a completely new thermodynamic assessment of the Cu-Sn phase diagram which is presented in part II. (C) 2012 Elsevier Ltd. All rights reserved.
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