The location of Ti containing phases after the completion of the NaAlH4+xTiCl3 milling process
Publication: Research - peer-review › Journal article – Annual report year: 2012
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The location of Ti containing phases after the completion of the NaAlH4+xTiCl3 milling process. / Pitt, M.P.; Vullum, P.E.; Sørby, M.H.; Blanchard, D.; Sulic, M.P.; Emerich, H.; Paskevicius, M.; Buckley, C.E.; Walmsley, J.; Holmestad, R.; Hauback, B.C.
In: Journal of Alloys and Compounds, Vol. 513, 2012, p. 597-605.Publication: Research - peer-review › Journal article – Annual report year: 2012
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TY - JOUR
T1 - The location of Ti containing phases after the completion of the NaAlH<sub>4</sub>+xTiCl<sub>3</sub> milling process
A1 - Pitt,M.P.
A1 - Vullum,P.E.
A1 - Sørby,M.H.
A1 - Blanchard,D.
A1 - Sulic,M.P.
A1 - Emerich,H.
A1 - Paskevicius,M.
A1 - Buckley,C.E.
A1 - Walmsley,J.
A1 - Holmestad,R.
A1 - Hauback,B.C.
AU - Pitt,M.P.
AU - Vullum,P.E.
AU - Sørby,M.H.
AU - Blanchard,D.
AU - Sulic,M.P.
AU - Emerich,H.
AU - Paskevicius,M.
AU - Buckley,C.E.
AU - Walmsley,J.
AU - Holmestad,R.
AU - Hauback,B.C.
PB - Elsevier BV
PY - 2012
Y1 - 2012
N2 - <p>The NaAlH4 + xTiCl3 (x < 0.1) system has been studied by X-ray synchrotron diffraction and transmission electron microscopy (TEM) after the completion of the milling process, for both planetary (PM) and cryo milled (CM) samples. Comparison of the NaAlH4 mosaic size (coherence length) determined from the X-ray synchrotron diffraction lineshape, and measurement of the external powder grain dimensions of ca. 250–300 particles by TEM, reveals that after the completion of the milling process, ‹110› {111} edge dislocated 2–20 nm Al crystallites are dispersed in a Ti rich amorphous (a-)Al<sub>1−x</sub>Ti<sub>x</sub> (0.3 < <em>x</em> < 0.5) matrix. This nano Al/Al<sub>50</sub>Ti<sub>50</sub> composite is embedded on the surface of single crystalline NaAlH<sub>4</sub> powder grains. <br/> The NaAlH<sub>4</sub> single crystal powder grains are moderately defected with uncorrelated defects, induced from the milling process. <br/> © 2011 Elsevier B.V. All rights reserved.</p>
AB - <p>The NaAlH4 + xTiCl3 (x < 0.1) system has been studied by X-ray synchrotron diffraction and transmission electron microscopy (TEM) after the completion of the milling process, for both planetary (PM) and cryo milled (CM) samples. Comparison of the NaAlH4 mosaic size (coherence length) determined from the X-ray synchrotron diffraction lineshape, and measurement of the external powder grain dimensions of ca. 250–300 particles by TEM, reveals that after the completion of the milling process, ‹110› {111} edge dislocated 2–20 nm Al crystallites are dispersed in a Ti rich amorphous (a-)Al<sub>1−x</sub>Ti<sub>x</sub> (0.3 < <em>x</em> < 0.5) matrix. This nano Al/Al<sub>50</sub>Ti<sub>50</sub> composite is embedded on the surface of single crystalline NaAlH<sub>4</sub> powder grains. <br/> The NaAlH<sub>4</sub> single crystal powder grains are moderately defected with uncorrelated defects, induced from the milling process. <br/> © 2011 Elsevier B.V. All rights reserved.</p>
U2 - 10.1016/j.jallcom.2011.11.021
DO - 10.1016/j.jallcom.2011.11.021
JO - Journal of Alloys and Compounds
JF - Journal of Alloys and Compounds
SN - 0925-8388
VL - 513
SP - 597
EP - 605
ER -