2000
DOI: 10.1016/s0925-8388(00)01101-4
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The effect of ternary addition on the formation and the thermal stability of L12 Al3Zr alloy with nanocrystalline structure by mechanical alloying

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Cited by 37 publications
(12 citation statements)
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“…The XRD pattern of the ball-milled LiAlH 4 doped with TiCl 3 (50 wt%) also shows diffraction peaks at 2θ of 30. [16]. This means that Al 3 Zr with cubic structure is formed by a mechanochemical reaction of LiAlH 4 and ZrCl 4 .…”
Section: Resultsmentioning
confidence: 99%
“…The XRD pattern of the ball-milled LiAlH 4 doped with TiCl 3 (50 wt%) also shows diffraction peaks at 2θ of 30. [16]. This means that Al 3 Zr with cubic structure is formed by a mechanochemical reaction of LiAlH 4 and ZrCl 4 .…”
Section: Resultsmentioning
confidence: 99%
“…According to our previous study on the Al-Zr system, [16] it was found that the homogeneous distribution of two elements is important in forming intermetallic compounds. Also, it is thought that the homogeneous distribution of these two elements was enhanced by the nanocrystallization of the microstructure.…”
Section: A Al-v Binary Systemmentioning
confidence: 98%
“…At present, the diffusivities of V and Al in Al are 1.27 ϫ 10 Ϫ13 cm 2 /s [22] and 2.41 ϫ 10 Ϫ10 cm 2 /s, [23] respectively; there is great difference in the diffusion between Al and V in the Al matrix. Also, since the time required for homogenous distribution of atoms in the Al-V system, 6 hours, was longer than that for Al-Zr system, 3 hour, [16] this could be another evidence that the diffusion of V in Al must be difficult. The amorphous phase was easily formed in this system, because V atoms acted as a slower diffuser in the Al matrix.…”
Section: A Al-v Binary Systemmentioning
confidence: 99%
“…The role of Zr lies essentially in inhibiting the recrystallization through the precipitation of fine spherical and coherent Al 3 Zr particles. [17][18][19][20][21][22][23][24] Small Zr addition promotes a decomposition of the supersaturated solid solution of Al responsible for the formation of a metastable L1 2 Al 3 Zr phase. Prolonged heat treatment transforms this phase in the equilibrium DO 2 Al 3 Zr phase.…”
Section: Introductionmentioning
confidence: 99%