NDLI: A new experimental phase diagram investigation of Cu

Content Provider	Springer Nature Link
Author	Fürtauer, Siegfried Flandorfer, Hans
Copyright Year	2012
Abstract	The binary system Cu–Sb is a constituent system that is studied in investigations of technically important ternary and quaternary alloy systems (e.g., casting alloys and lead-free solders). Although this binary system has been thoroughly investigated over the last century, there are still some uncertainties regarding its high-temperature phases. Thus, parts of its phase diagram have been drawn with dashed lines in reviews published in the literature. The aim of this work was to resolve these uncertainties in the current phase diagram of Cu–Sb by performing XRD, SEM-EDX, EPMA, and DTA. The results from thermal analysis agreed well with those given in the literature, although some modifications due to the invariant reaction temperatures were necessary. In particular, reactions located on the Cu-rich side of the nonquenchable high-temperature β phase (BiF3-type) left considerable scope for interpretation. Generally, the structural descriptions of the various binary phases given in the literature were verified. The range of homogeneity of the ε phase (Cu3Ti type) was found to be higher on the Sb-rich side. Most of the reaction temperatures were verified, but a few had to be revised, such as the eutectoid reaction $$ \beta \; \to \;\varepsilon \; + \;\eta $$ at 440 °C (found to occur at 427 °C in this work) and the eutectoid reaction $$ \gamma \; \to \;\left( {\text{Cu}} \right) + \delta $$ at 400 °C (found to occur at 440 °C in this work). Further phase transformations that had previously only been estimated were confirmed, and their characteristic temperatures were determined.
Starting Page	1275
Ending Page	1287
Page Count	13
File Format	PDF
ISSN	00269247
Journal	Monatshefte für Chemie - Chemical Monthly
Volume Number	143
Issue Number	9
e-ISSN	14344475
Language	English
Publisher	Springer Vienna
Publisher Date	2012-08-25
Publisher Place	Vienna
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Phase diagrams Phase transitions X-ray structure determination Thermodynamics Inorganic Chemistry Theoretical and Computational Chemistry Analytical Chemistry Physical Chemistry Organic Chemistry Chemistry/Food Science
Content Type	Text
Resource Type	Article
Subject	Chemistry

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