The Al-Co-Si phase diagram

B. Huber, A. Kodentsov, K.W. Richter

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Abstract

The ternary Al–Co–Si phase diagram was investigated using optical microscopy, powder X-ray diffraction (XRD), differential thermal analysis (DTA) and electron probe microanalysis (EPMA). In the Co-rich part ternary phase equilibria were investigated within two isothermal sections at 1050 and 1200 °C and the homogeneity ranges at these temperatures were determined by means of EPMA. Samples covering the entire ternary system were investigated by means of DTA measurements. A total number of 29 invariant ternary reactions could be derived from these data yielding a complete description of the ternary Al–Co–Si system, including a ternary reaction scheme (Scheil Diagram) and a liquidus surface projection. Diffusion couple experiments were carried out between the end-members Al/CoSi2 at 550 °C, AlCo/Co2Si at 1050 °C and Si/AlCo at 900 °C. The results of these studies are in good agreement with the isothermal sections.
Original languageEnglish
Pages (from-to)307-320
JournalIntermetallics
Volume19
Issue number3
DOIs
Publication statusPublished - 2011

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Electron probe microanalysis
Ternary systems
Differential thermal analysis
Phase diagrams
Phase equilibria
X ray powder diffraction
Optical microscopy
Experiments
Temperature

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Huber, B., Kodentsov, A., & Richter, K. W. (2011). The Al-Co-Si phase diagram. Intermetallics, 19(3), 307-320. https://doi.org/10.1016/j.intermet.2010.10.014
Huber, B. ; Kodentsov, A. ; Richter, K.W. / The Al-Co-Si phase diagram. In: Intermetallics. 2011 ; Vol. 19, No. 3. pp. 307-320.
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Huber, B, Kodentsov, A & Richter, KW 2011, 'The Al-Co-Si phase diagram', Intermetallics, vol. 19, no. 3, pp. 307-320. https://doi.org/10.1016/j.intermet.2010.10.014

The Al-Co-Si phase diagram. / Huber, B.; Kodentsov, A.; Richter, K.W.

In: Intermetallics, Vol. 19, No. 3, 2011, p. 307-320.

Research output: Contribution to journalArticleAcademicpeer-review

TY - JOUR

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AU - Huber, B.

AU - Kodentsov, A.

AU - Richter, K.W.

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AB - The ternary Al–Co–Si phase diagram was investigated using optical microscopy, powder X-ray diffraction (XRD), differential thermal analysis (DTA) and electron probe microanalysis (EPMA). In the Co-rich part ternary phase equilibria were investigated within two isothermal sections at 1050 and 1200 °C and the homogeneity ranges at these temperatures were determined by means of EPMA. Samples covering the entire ternary system were investigated by means of DTA measurements. A total number of 29 invariant ternary reactions could be derived from these data yielding a complete description of the ternary Al–Co–Si system, including a ternary reaction scheme (Scheil Diagram) and a liquidus surface projection. Diffusion couple experiments were carried out between the end-members Al/CoSi2 at 550 °C, AlCo/Co2Si at 1050 °C and Si/AlCo at 900 °C. The results of these studies are in good agreement with the isothermal sections.

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Huber B, Kodentsov A, Richter KW. The Al-Co-Si phase diagram. Intermetallics. 2011;19(3):307-320. https://doi.org/10.1016/j.intermet.2010.10.014