Journal Article10.1016/J.MATCHAR.2009.06.012
Microstructural investigations on as-cast and annealed Al―Sc and Al―Sc―Zr alloys
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TL;DR: The phase composition of the alloys and the morphology of precipitates that developed during solidification in the sand casting process and subsequent thermal treatment of the samples were studied using optical microscopy, electron microscopy and X-ray diffraction.
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About: This article is published in Materials Characterization. The article was published on 01 Nov 2009. The article focuses on the topics: Alloy & Zirconium alloy.
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Citations
Coarsening resistance at 400 °C of precipitation-strengthened Al–Zr–Sc–Er alloys
TL;DR: In this article, the effect of substituting 0.01 or 0.02 Er for Sc in an Al 0.06 Zr-0.06 Sc-at.% alloy was studied to develop cost-effective high-temperature aluminum alloys for aerospace and automotive applications.
394
Effect of minor Sc and Zr on recrystallization behavior and mechanical properties of novel Al–Zn–Mg–Cu alloys
TL;DR: In this paper, the effect of trace amount of Sc and Zr on microstructure and mechanical properties of novel Al-Zn-Mg-Cu-Sc-Zr alloys are investigated.
148
The effect of Sc additions on the microstructure and age hardening behaviour of as cast Al–Sc alloys
TL;DR: In this paper, the grain refinement effect and the ageing behaviour of Al 0.5 wt.% Sc alloys are studied on the basis of optic microscopy (OM), scanning electron microscopy, X-ray diffraction (XRD) observations and hardness measurements.
120
Effects of Sc content on the microstructure of As-Cast Al-7 wt.% Si alloys
TL;DR: In this paper, the effects of Sc content on the microstructure of as-cast Al-Si alloys were investigated by adding 0.15% Sc content to hypoeutectic Al-7-wt.% Si alloys.
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Aluminium scandium alloys
Thomas Dorin,Mahendra Ramajayam,Alireza Vahid,Timothy Langan +3 more
- 01 Jan 2018
TL;DR: Scandium is the first transition element and occupies an intermediate position between the typical rare-earth elements and the light metallic elements as mentioned in this paper, and it has been shown that minor alloying addition of scandium can result in a major increase in strength, with reports of a 50-100 MPa increment per 0.1
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Nanoscale structural evolution of Al3Sc precipitates in Al(Sc) alloys
TL;DR: In this article, the exact morphologies of the Al3Sc precipitates were determined for the first time by HREM, in Al-0.1 wt% Sc and Al- 0.3 wt % Sc alloys, with 26 facets, which are the 6 {100} (cube), 12 {110} (rhombic dodecahedron), and 8 {111} (octahedron).
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The solidification behaviour of dilute aluminium–scandium alloys
TL;DR: In this paper, the authors investigated the solidification behavior of dilute Sc containing Al alloys and found that Sc additions greater than the eutectic composition (0.55 wt%) produced a remarkable refinement in the grain size of aluminium castings, due to the formation of the primary Al3Sc intermetallic phase during solidification.
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