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Spray forming metallic support bands on ceramic elements

Description: A study was conducted to assess the feasibility of spray depositing a metal ring on the end of ceramic tubes using a low temperature spray forming process developed at the INEL. 1/16 in.--1.8 in. thick x 1/2 in. wide tin, zinc, and aluminum alloy rings were spray formed using a bench-scale nozzle without damaging the ceramic. Analysis of the deposits indicated that they were suitably dense and exhibited good adherence to the ceramic material.
Date: February 10, 1994
Creator: McHugh, K. D.
Partner: UNT Libraries Government Documents Department
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NMR and NQR study of the thermodynamically stable quasicrystals

Description: {sup 27}Al and {sup 61,65}Cu NMR measurements are reported for powder samples of stable AlCuFe and AlCuRu icosahedral quasicrystals and their crystalline approximants, and for a AlPdMn single grain quasicrystal. Furthermore, {sup 27}Al NQR spectra at 4.2 K have been observed in the AlCuFe and AlCuRu samples. From the quadrupole perturbed NMR spectra at different magnetic fields, and from the zero field NQR spectra, a wide distribution of local electric field gradient (EFG) tensor components and… more
Date: February 10, 1995
Creator: Shastri, A.
Partner: UNT Libraries Government Documents Department
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