Crystallography of the Al-Al3 Fe eutectic - ScienceDirect.com
Crystallographic characteristics and limits of stability of the Al–Al2Fe abnormal eutectic microstructure have been observed. When the GR ratio is low, Al3Fe ...
[ 1-s2.0-0001616075901273-main.pdf?_tid=046e19be-c7c2-11e3-89d7-00000aab0f01&acdnat=1397912366_a9f206a0a9d01d1a6c2d71fc0851f13a - Read/Download File
Preprint - Helmholtz-Zentrum Berlin
Apr 6, 2011 ... not only the true morphology of the Al-Si eutectic and Fe-rich intermetallics, but also ... eutectic microstructure is similar to the unmodified structure again and only ..... is listed in Table 2 and corresponds to Al3.3Fe1.3Si2.
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Assessment of the Al–Fe–Ti system Abstract
The phase diagram derived from this assessment is shown in Fig. 1. Compared to the .... 1000.  b0 = 0.6463(. 4) c0 = 0.4229(. 2). Fe4Al13(Fe. Al3). mC10. 2. C2/m. – .... Crystallographic structures of the ternary Al–Fe–Ti compounds. Phase .
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fulltext - DiVA
changes were explained by stabilization of the α-phase in the Al-Fe-Si phase ..... 0.1 and 0.3wt% Fe is shown, predicting Al, Al + Si and finally the eutectic Al + Si + β ..... Al3(Fe,Mn)Si2 structure  more commonly designated δ-phase .
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Precipitation of iron-rich intermetallic phases in Al-4.6Cu-0.5Fe-0.5
Jan 26, 2012 ... Electron Microscopy, Electron Back-Scattered Diffraction. (EBSD), and ... eutectic reaction approximately at 640 °C during solidifi- cation, possibly ... Al3(FeMn) phase was possible to appear in the Al–Cu cast alloy with 5%Cu ...
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Role of TiAl3 Fine Precipitate in Nucleation of the Primary Al
crystallographic relationship exists between the TiAl3 phase and the surrounding Al phase, ... The Zn-Al-Mg coating is of a ternary eutectic-type alloy, ... scope (FE- SEM) analysis, together with calculation of the ..... Incident beam//Al3. 000.
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On the mechanism of the formation of primary - Brunel University
Jan 16, 2012 ... under ultrasonic melt treatment in an Al-Zr-Ti alloy ... intermetallics (e.g. Al3Zr, Al3 (Zr,Ti)) caused by UST may influence the subsequent .... Grain structure and morphology of primary intermetallics in the Al-0.4 wt% Zr-0.12 wt% ... places of nonequilibrium Fe- and Si-containing eutectic phases); b, UST at 4 ...
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New stable decagonal quasicrystal in the system Al–Ir–Os - CiteSeerX
a Laboratory of Crystallography, Department of Materials, ETH Zurich, Wolfgang- Pauli-Strasse 10, 8093 Zurich, Switzerland .... Al–Ir phase diagram , which we modified by adding the new ... (Ir, Os)Al2 + (Ir, Os)Al3, D + (Ir, Os)4Al13 + (Ir, Os) Al3, D + (Ir,. Fig. 1. .... (pseudo)decagonal Al–Pd–Fe  and Al–Pd–Ru [13,14],.
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Effect of minor Sc and Zr addition on grain refinement of as-cast Al
form coarse eutectic networks in the dendrite and at the interdendritic ... harmful influence of impurity Fe contained in the alloys [5, 6]. A ... amplified as precipitation of the complex phase Al3(ZrxSc1-x) ... addition of Sc and Zr plays a critical role in Al-Zn-Mg-Cu ... Figure 1 presents the grain structure of the as-cast investigated.
[ 200912130592779.pdf - Read/Download File
appeared and constructed with mixed fcc and bcc eutectic phases. ... A single ordered bcc structure was obtained for aluminum contents larger than x. 2.8. ... and Fe-Al binary systems have attracted much attention ..... Al3.0CoCrCuFeNi total.
[ 3-4-7-7-11.pdf - Read/Download File
Precipitation Strengthening of Aluminum - Worcester Polytechnic
strength of the Al-0.4V-0.1Zr alloy at 300ºC show that it is about 3 times ... vanadium into the Al3Zr precipitate and thatthe mean radius of the Al3(Zr,V) particles is .... 2.10 Effect of Silicon and Iron on Precipitation of Transition Metal Aluminides ..... precipitates with L12 structure are fully coherent with the aluminum matrix and.
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Chapter 2 - Constellation - UQAC
phases namely AlmFe, Al^Fe, A^Fe and AlvFe2Si (a-AlFeSi). ... qui a leur tour provoqueraient ce qu'on appelle, la structure en sapin (FTZs) dans les lingots, ainsi ..... FIGURE 4.42:EFFECT OF NI ON AL3 FE PARTICLE DENSITY. 81 .... varies location of the DC casting ingot, different eutectic Fe intermetallic phases form. 4 ...
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INFLUENCE OF RAPID SOLIDIFICATION ON - Scientific Bulletin
A hypereutectic alloy in the Al rich region of the Al-Co system having a cobalt content of ... applied. X-ray diffraction has ascertained the presence of the equilibrium phases, -. fccAl and .... L+Al3 Co↔Al13 Co4. 16.5 25.6 24.0 ... 29. Symbol. V. Cr. Mn. Fe. Co. Ni. Cu wt.%. <0.0001 <0.0001 <0.0001 0.175. 15.82. 0.04076 ...
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Experimental Investigation of the Al-Ca-Zn system - CiteSeerX
with the formula Al3-xCaZx (2≤x≤2.2 at 350oC) and ternary intermetallic IM5 with the formula Al2Ca9Zn3. The crystal structure information of IM1 has been studied by X-ray diffraction .... Figure 2.4. The Al-Ca phase diagram based on the optimization of Wasiur-Rahman  ..... Zn in sealed iron crucibles, followed by slow ...
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Journal of Solid State Chemistry 179 - Department of Chemistry [FSU]
Al/Zn (11.3%: 88.7%, m.p. 381 1C) eutectics for the growth of ... metal Mn. We have also been able to incorporate Fe into this structure .... YMn2(Al3.9Zn16.8).
[ BenbowRT2Zn20.pdf - Read/Download File
Criteria for developing castable, creep-resistant Al based - NanoAl
(fcc), whose close-packed structure is more creep resistant ... the well-known Al – Fe – V – Si alloys developed by Skinner ..... Al3(Sc1 – xZrx) [114–116] and Ti to Al3(Sc1 – xTix)  ... terminal eutectics with Al, while the Group 4 (Ti, Zr, Hf).
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Structural stability of Fe5Si3 and Ni2Si studied by high - arXiv.org
related to the layered structure of Ni2Si where hexagonal layers of Ni. 2+ ... these facts, the high-pressure structural stability of iron and nickel silicides is currently ... a tantalum ampoule, annealed for two days at 1223 K (well below the eutectic ...... speculated whether a garnet-like structure could exist for Al2O3 (Al3. . Al2.
[ 0803.1722 - Read/Download File
Prace Instytutu Odlewnictwa w Krakowie - Instytut Odlewnictwa
6Mn(Fe) → α-Al + α-AlMnFeSi PROCESS IN AlFeMnSi ALLOYS. Streszczenie. W pracy .... (Fig. 3b). The eutectic L → α-Al + α-AlMnFeSi + (Si) transformation was the final process ..... and crystallographic orientation of the α-AlMnFeSi particles ( Figs. 9d, 10). ..... (Fe,Mn) to Al3(Fe,Mn) in AA5182, Acta Mat., 2004, Vol. 52, No.
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Melting of pyrope, MgrAlrSirOrr, at7-16 GPa - Mineralogical Society
with pressure-induced coordination changes involving Al3*. In either case, pyrope is sta- ... in 3 min in the presence of a melt phase (Herzberg et al.,. 1990).
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(TM ¼ Cr, Mn, Fe, Co) alloy systems (cf. Refs. ... H-Al3(Mn,Pd) ... the phase diagram in the T-phase region of the binary AleMn .... Crystallographic data of the thermodynamically stable Al-rich AleMnePd phases found in the present work.
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