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Topic Area: Materials Science

Displaying records 381 to 390 of 427 records.
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381. Multiscale Modeling of Point Defects and Free Surfaces in Semi-Infinite Solids
Topic: Materials Science
Published: 2/4/2002
Author: Vinod K Tewary
Abstract: A Green's function method is described for multiscale modeling of point defectssuch as vacancies and interstitials at the atomistic level and extended defects such as free surfaces and interfaces at the macroscopic continuum level in a solid. The po ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=851258

382. Effective Hamiltonian Study of PZT 95/5
Topic: Materials Science
Published: 1/21/2002
Authors: K Leung, Eric J Cockayne, A F Wright
Abstract: An effective Hamiltonian is constructed for PbZr0.95Ti0.05O3. It is parameterized using ab initio results computed in the virtual crystal approximation. The phase diagram depends sensitively on the energetic competition between the stable orthorhomb ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=850560

383. Comments on a Recent Infinitesimal-Deformation Approach to Martensite Crystallography
Topic: Materials Science
Published: 1/1/2002
Authors: H M Ledbetter, Martin Dunn
Abstract: We dispute recent claims by Navruz that his infinitesimal-deformation theory gives better predictions than the classical Wechsier-Lieberman-Read/Bowles-Mackenzie invariant-plane-strain theories. Indeed, we argue that the Navruz theory gives habit pl ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=851203

384. Survey of FY 2001 Nanotechnology-Related Research at the National Institute of Standards and Technology.
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: 6864
Topic: Materials Science
Published: 1/1/2002
Authors: Chad R Snyder, J P. Looney, M P Casassa
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=853823

385. Crystallographic Texture in Ceramics and Metals
Series: Journal of Research (NIST JRES)
Topic: Materials Science
Published: 12/1/2001
Author: Mark D Vaudin
Abstract: Preferred crystallographic orientation, or texture, occurs almost universally, both in natural and man-made systems. Many components and devices in electronic and magnetic systems are fabricated from materials that have crystallographic texture. The ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=850558

386. Estimation of Process Stability in the MAG Welding Process by Monitoring the Welding Parameters
Topic: Materials Science
Published: 11/1/2001
Author: Thomas Allen Siewert
Abstract: This paper presents the distribution of the main welding parameters (welding voltage and welding current) for semiautomatic arc welding with the metal active gas (MAG) process, using both flux- cored and solid electrodes. Two different shielding fas ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=851229

387. NIST Recommended Practice Guide: The Use of Nomenclature in Dispersion Science and Technology
Series: Special Publication (NIST SP)
Report Number: 960-3
Topic: Materials Science
Published: 8/1/2001
Authors: Vincent A Hackley, Chiara F Ferraris
Abstract: This Special Publication is essentially a reprint of two NIST Special Publications, SP 945 and SP 946. This particular Practice Guide provides guidelines for the use of technical and scientific nomenclature related to ceramic dispersions.The use of n ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=850489

388. Workshop on Texture in Electronic Applications
Series: Journal of Research (NIST JRES)
Topic: Materials Science
Published: 5/1/2001
Authors: Mark D Vaudin, Debra L Kaiser
Abstract: A two day workshop on Texture in Electronic Applications was held on October 10-11,2000 at NIST, Gaithersburg. The workshop presented an excellent forum for discussion of a broad spectrum of texture-related issues of interest to academic,government a ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=850490

389. Block Copolymer Thin Films: Physics and Applications
Topic: Materials Science
Published: 2/15/2001
Authors: Michael J Fasolka, A M Mayes
Abstract: A two-part review of research concerning block copolymer thin films is presented. The first section summarizes experimental and theoretical studies of the fundamental physics of these systems, concentrating upon the forces that govern film morpholog ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=841503

390. Texture Plus
Topic: Materials Science
Published: 2/1/2001
Author: Mark D Vaudin
Abstract: TexturePlus is a Win '95 or later software package that analyzes crystallographic texture in bulk and thin film specimens. The software analyzes data obtained on a powder x-ray diffractometer. The required data include an x-ray theta-2theta scan ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=850426