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Topic Area: Materials Science
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Displaying records 431 to 440 of 507 records.
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431. Mechanism of Acetylene Oxidation on the Pt(111) Surface using in situ Fluorescence Yield Near-Edge Spectroscopy
Topic: Materials Science
Published: 1/10/2005
Authors: D J Burnett, A M Gabelnick, J L Gland, Daniel A Fischer
Abstract: In-situ studies of acetylene oxidation on Pt(111) have been performed using both fluorescence yield near edge spectroscopy (FYNES) and temperature-programmed FYNES (TP-FYNES) to study surface oxidation for temperatures up to 600 K and oxygen pressure ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=850523

432. A Coupled Arc and Droplet Model of GMAW
Topic: Materials Science
Published: 1/8/2005
Authors: Timothy P Quinn, M Szanto, T Gilad, I Shai
Abstract: A model of gas metal arc welding was developed that solves the magneto-hydrodynamic equations for the flow and temperature fields of the molten electrode and the plasma simultaneously, to form a fully coupled model. A commercial finite element code ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=851278

433. McMurdie
Topic: Materials Science
Published: 12/3/2004
Authors: Alan D. Mighell, Gasper J. Piermarini, Winnie K Wong-Ng
Abstract: Howard F. McMurdie - known as Mac to his friends oa colleagues--was an exemplar of good living. Blessed with excellent health, a loving family, and many close colleagues, Mac was active and productive to the very end. It is therefore with the deepe ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=850842

434. Modal-based identification of acoustic emission sources in the presence of electronic noise
Topic: Materials Science
Published: 12/1/2004
Authors: Marvin Arnold Hamstad, Agnes O'Gallagher
Abstract: Based on the results of an earlier study, a specific scheme was demonstrated to identify acoustic emission (AE) source types using ratios of Lamb-wave modal amplitudes from two radiation directions in a 4.7 mm thick aluminum plate. The modal amplitud ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=50017

435. Size-Strain Line-Broadening Analysis of the Ceria Round-Robin Sample
Topic: Materials Science
Published: 12/1/2004
Authors: Davor Balzar, N Audebrand, M R Daymond, A Fitch, A Hewat, J I Langford, A Le Bail, D Louer, P Masson, Christopher N McCowan, N Popa, P W Stephens, B H. Toby
Abstract: We report the results of a line-broadening study on a ceria sample prepared for a size-strain round robin. The sample was prepared from a recursor hydrated ceria by heating in a silica crucible at 650 C for 45 hours. Another ceria sample wasprepar ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=851306

436. The 2003 Materials Research Society (MRS) Fall Meeting
Topic: Materials Science
Published: 9/22/2004
Author: Winnie K Wong-Ng
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=850799

437. Continuum Dyson's Equation and Defect Green's Function in a Heterogeneous Anisotropic Solid
Topic: Materials Science
Published: 7/1/2004
Authors: B Yang, Vinod K Tewary
Abstract: Continuum Dyson's equation and defect Green's function (GF) in a heterogeneous, anisotropic and linearly elastic solid under homogeneous boundary conditions have been introduced. The continuum Dyson's equation relates the point-force Green's respons ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=851371

438. Phase Relations, Crystal Chemistry, and Dielectric Properties in Sections of the La^d2^O^d3^-CaO-MgO-TiO^d2^ System
Topic: Materials Science
Published: 6/1/2004
Authors: Terrell A Vanderah, Val R Miller, Igor Levin, S M Bell, T Negas
Abstract: Subsolidus phase equilibria, crystal chemistry, and dielectric behavior were studied for the La^d2^O^d3^ MgO TiO^d2^ system and for the ternary sections LaMg^d1/2^Ti^d1/2^O^d3^ CaTiO^d3^ La^d2^O^d3^ and LaMg^d1/2^Ti^d1/2^O^d3^ CaTiO^d3^ 0.5La^d2/3^Ti ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=850734

439. Stresses in shape memory polymer-matrix nanocomposites for biomedical applications
Topic: Materials Science
Published: 6/1/2004
Authors: Davor Balzar, G Stefanic, Kenneth Gall, Martin Dunn, Yiping Liu
Abstract: We report on the residual stresses in amorphous shape memory polymers reinforced with SiC particles. After 50 % compression of the composite material at 25 ¿C, the SiC particles exhibit a compressive stress, which is almost completely released during ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=50164

440. Multiscale Green's-Function Method for Modeling Point Defects and Extended Defects in Anisotropic Solids: Application to a Vacancy and Free Surface in Copper
Topic: Materials Science
Published: 3/1/2004
Author: Vinod K Tewary
Abstract: A multiscale Green's function method is described for modeling of point defects such as vacancies and interstitals together with extended defects such as free surfaces and interfaces in a general anisotropic solid. The method treats the point defect ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=851330



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