Search Results - "Chumbley, L. S."

Initial crystallization in a nanostructured Al–Sm rare earth alloy by Kalay, Y.E., Yeager, C., Chumbley, L.S., Kramer, M.J., Anderson, I.E.

“…The transformation kinetics and microstructural evolution during initial crystallization in highly driven Al 90Sm 10 were investigated using transmission…”
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Interfacial voids in aluminum created by aqueous dissolution by Adhikari, S., Chumbley, L.S., Chen, H., Jean, Y.C., Geiculescu, A.C., Hillier, A.C., Hebert, K.R.

“…Nanometer-scale voids in aluminum formed by aqueous room-temperature corrosion were detected and characterized by a combination of electron microscopy…”
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Electron microscopy studies of lutetium doped erbium silicide (Er0.9Lu0.1)5Si4 by CAO, Q, CHUMBLEY, L. S

“…Examination of bulk microstructures of lutetium doped erbium silicide (Er0.9Lu0.1)5Si4(space group: Pnma) using scanning and transmission electron microscopy…”
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Liquid metal extraction of Nd from NdFeB magnet scrap by Xu, Y., Chumbley, L. S., Laabs, F. C.

“…This research involves using molten magnesium (Mg) to remove neodymium (Nd) from NdFeB magnet scrap by diffusion. Mg was melted over pieces of NdFeB scrap and…”
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Effects of mechanical grinding and low temperature annealing on crystal structure of Er5Si4 by Cao, Q., Chumbley, L.S., Mudryk, Y., Zou, M., Pecharsky, V.K., Gschneidner, K.A.

“…► Impurity phases exist in orthorhombic Er5Si4:monoclinic 5:4, 1:1 and 5:3. ► Mechanical grinding induces transition from orthorhombic 5:4 to monoclinic 5:4. ►…”
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Mechanical properties and determination of slip systems of the B2 YZn intermetallic compound by Cao, G.H., Becker, A.T., Wu, D., Chumbley, L.S., Lograsso, T.A., Russell, A.M., Gschneidner, K.A.

“…Single crystal specimens of YZn (B2) were tested in tension at room temperature. Specimens with a [1 0 1] tensile axis orientation exhibited {0 1 1}〈1 0 0〉…”
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Characterization of a marginal glass former alloy solidified in gas atomized powders by Kalay, Y.E., Chumbley, L.S., Anderson, I.E.

“…Al 90Sm 10, a marginal glass former, was rapidly solidified using high pressure gas atomization (HPGA). Rapid solidification is a non-equilibrium process, with…”
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Determination of slip systems and their relation to the high ductility and fracture toughness of the B2 DyCu intermetallic compound by Cao, G.H., Shechtman, D., Wu, D.M., Becker, A.T., Chumbley, L.S., Lograsso, T.A., Russell, A.M., Gschneidner, K.A.

“…DyCu single crystals with CsCl-type B2 structure were tensile tested at room temperature. Slip trace analysis shows that the primary slip system in DyCu with a…”
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Characterization of hypereutectic Al-Si powders solidified under far-from equilibrium conditions by KALAY, Y. E, CHUMBLEY, L. S, ANDERSON, I. E, NAPOLITANO, R. E

“…The rapid solidification microstructure of gas-atomized Al-Si powders of 15, 18, 25, and 50 wl pct Si were examined using scanning electron microscopy (SEM)…”
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Determination of phases in as prepared Gd5(SixGe1-x)4, where x ≅ 1/2 by MEYERS, J. S, CHUMBLEY, L. S, LAABS, F, PECHARSKY, A. O

“…Phase identification of Gd5(Si1.95Ge2.05), produced using commercial grade Gd and induction melting, showed that various contaminant and second phases were…”
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Identification of thin plates seen in R5(SixGe1-x)4 alloys, where R is Gd, Tb, Dy, and Er by UGURLU, O, CHUMBLEY, L. S, SCHLAGEL, D. L, LOGRASSO, T. A, TSOKOL, A. O

“…Rs(SixGe1-x)4 alloys, where R is Tb, Dy, and Er, have been examined. Their microstructures consisted of large grains with thin plates of a second phase. Energy…”
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Thermal stability of deformation processed gold–silver composite by Wongpreedee, K., Russell, A.M., Chumbley, L.S.

“…An Au–14 at.% Ag filamentary composite was annealed at 563, 573, and 583 K. Electrical resistivity was used as a measure of the degree of transformation from…”
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Synthesis and characterization of hexagonal Cd51Yb14 single crystals by Wu, D., Ugurlu, O., Chumbley, L. S., Kramer, M. J., Lograsso, T. A.

“…Synthesis of large, bulk single grains of the hexagonal crystalline phase Cd 51 Yb 14 has been accomplished using the Bridgman method. Growth was carried out…”
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Characterization of an Atypical Widmanstätten structure in Gd5Si2Ge2 alloys by UGURLU, O, CHUMBLEY, L. S, SCHLAGEL, D. L, LOGRASSO, T. A

“…Bulk microstructures of Gd5Si2Ge2 alloys have been examined using scanning electron microscopy (SEM) and transmission electron microscopy (TEM). The…”
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Local structure in marginal glass forming Al–Sm alloy by Kalay, Y.E., Chumbley, L.S., Kramer, M.J., Anderson, I.E.

“…The local structure in rapidly quenched Al (100− x) Sm x ( x = 8, 10, 11, and 12) and liquid Al 89Sm 11 has been investigated using a combination of…”
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Characterization of tin oxidation products using sequential electrochemical reduction analysis (SERA) by Hillman, D.D, Chumbley, L.S

“…Purpose - To evaluate the oxide formation characteristics of tin (Sn) as a function of conditioning treatment and define a conditioning methodology that…”
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A deformation processed Al-20%Sn in-situ composite by Xu, K, Russell, A.M, Chumbley, L.S, Laabs, F.C

“…Al-20Sn can be deformation processed to a deformation true strain of 7.41. The Sn second phase adopts a convoluted, ribbon shaped filamentary morphology after…”
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Analysis of interdiffusion of Dy, Nd, and Pr in Mg by Xu, Y., Chumbley, L. S., Weigelt, G. A., Laabs, F. C.

“…The diffusion characteristics of Mg–rare-earth diffusion couples were studied. Cylinders of pure Mg and rare earth (Dy, Nd, and Pr) were abutted and annealed…”
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Characterization of second-phase plates in a Gd₅Ge₃ intermetallic compound by Cao, Q, Chumbley, L S

“…Rare-earth compounds based on the stoichiometry R₅(Si(x)Ge(1-x))₄ (R = rare-earth elements) exhibit many unusual features, including possessing…”
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Characterization of strength and microstructure in deformation processed Al-Mg composites by XU, K, RUSSELL, A. M, CHUMBLEY, L. S, LAABS, F. C, GANTOVNIK, V. B, TIAN, Y

“…The microstructures, mechanical properties and electrical resistivity have been evaluated for deformation processed Al-20 vol % Mg and Al-13 vol % Mg…”
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