Thermodynamic modeling of the quaternary Al-Cu-Mg-Si system

Cui, Shuzhen; Jung, In‐Ho

doi:10.1016/j.calphad.2017.02.002

Cited by 30 publications

(5 citation statements)

References 49 publications

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“…The most cited phase diagram of the system is the 1986 work of Olesinski and Abbaschian [4]. Cui and Jung [5] gave a comprehensive overview in the field of the CueSi system; one can find the relevant literature therein. The phases at the copper rich side of the phase diagram is the object of our study and it is shown in Fig.…”

Section: Introductionmentioning

confidence: 99%

“…The phases at the copper rich side of the phase diagram is the object of our study and it is shown in Fig. 1 (after Cui and Jung [5]). There are many differences between the widely cited phase diagram of Olesinski and Abbaschian and the recent results [5], showing us an uncertainty of the Cu À Si phase diagram.…”

Section: Introductionmentioning

confidence: 99%

“…1 (after Cui and Jung [5]). There are many differences between the widely cited phase diagram of Olesinski and Abbaschian and the recent results [5], showing us an uncertainty of the Cu À Si phase diagram. A good example for this uncertainty is the work of P. Riani et al [6] who studied the stability of the Cu 79 Si 21 -ε phase.…”

Section: Introductionmentioning

confidence: 99%

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Low temperature formation of copper rich silicides

2019

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The reactions of copper and amorphous silicon were studied by in-situ transmission electron microscopy up to 500 C. Only the Cu 76 Si 24-h phase and the Cu 82 Si 18-d phase formed at this temperature. The crystal structure of the dominating Cu 76 Si 24 changed, by the elapsed time after heating. The CueSi ordering resulted in different supercells, built up by topologically identical subcells with different site occupancies and arrangement. Two modulated crystal structures were solved based on diffraction data and HRTEM images.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Low temperature formation of copper rich silicides

2019

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“…However, the heat treatment process has a great impact on the solid solution effect and precipitation phase of the alloy. Therefore, the optimization of heat treatment process is very important for improving the alloy structure and improving the strength and toughness of casting parts [ 65 , 66 , 67 ].…”

Section: Heat Treatment Process Optimizationmentioning

confidence: 99%

Research Progress on Multi-Component Alloying and Heat Treatment of High Strength and Toughness Al–Si–Cu–Mg Cast Aluminum Alloys

et al. 2023

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Al–Si–Cu–Mg cast aluminum alloys have important applications in automobile lightweight due to their advantages such as high strength-to-weight ratio, good heat resistance and excellent casting performance. With the increasing demand for strength and toughness of automotive parts, the development of high strength and toughness Al–Si–Cu–Mg cast aluminum alloys is one of the effective measures to promote the application of cast aluminum alloys in the automotive industry. In this paper, the research progress of improving the strength and toughness of Al–Si–Cu–Mg cast aluminum alloys was described from the aspects of multi-component alloying and heat treatment based on the strengthening mechanism of Al–Si–Cu–Mg cast aluminum alloys. Finally, the development prospects of automotive lightweight Al–Si–Cu–Mg cast aluminum alloys is presented.

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“…The measured integral enthalpy of mixing of liquid Pd-Sn alloys [14,15] showed strong asymmetry in shape with a minimum of at least -50 kJ/mole at about 40 at.% Sn, which indicates strong short-range ordering behavior of Pd and Sn atoms in the liquid phase. The thermodynamic behavior of this type of liquid solution can generally be well described using the modified quasichemical model [42][43][44][45][46][47][48] and the associate solution model [49]. However, the Bragg-Williams random mixing model or the regular solution model [50] also showed reasonable reproduction of the liquid properties in the Pd-Sn system [12].…”

Section: The Liquid Phasementioning

confidence: 99%