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Topic Area: Materials Science
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Displaying records 31 to 40 of 427 records.
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31. Analysis of Welding Parameter Distribution in Stud Arc Welding
Topic: Materials Science
Published: 7/15/2007
Authors: Ivan Samardzic, Stefanija Klaric, Thomas Allen Siewert
Abstract: This paper describes the application of on-line monitoring system for recording welding current and voltage during stud arc welding with a ceramic ferrule. Recorded values of welding current and voltage are analyzed off-line for the weld process wi ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=50536

32. Analyzing Microstructure by Rietveld Refinement
Topic: Materials Science
Published: 6/1/2005
Authors: Davor Balzar, N C Popa
Abstract: Rietveld refinement has a primary purpose of refining crystal structure. However, this powerful technique is being increasingly used for obtaining microstructural information, such as texture, crystallite size, strain and stress, and crystalline defe ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=50140

33. Anisotropic elastic properties of nanocrystalline nickel thin films
Topic: Materials Science
Published: 5/1/2006
Authors: Donna C Hurley, Roy Howard Geiss, N Jennett, Malgorzata Kopycinska-Mueller, A Maxwell, Jens Mueller, David Thomas Read, J Wright
Abstract: As length scales continue to shrink, new tools are needed to measure mechanical properties. We are developing two such tools using different nondestructive acoustical techniques. Surface acoustic wave spectroscopy (SAWS) uses laser-ultrasonic methods ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=50050

34. Application of an On-Line Weld Monitoring System
Topic: Materials Science
Published: 9/12/2002
Authors: Thomas Allen Siewert, Ivan Samardzic, Stefanija Klaric
Abstract: quisition analysis and real-time manipulation of the welding parameters offer added controls over the weld quality. Thanks to the continual development of information technology and electronics, it is possible to improve the systems for monitoring ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=851294

35. Applications of Thermogravimetric Analysis in Quality Control of Single-Walled Carbon Nanotubes
Topic: Materials Science
Published: 2/1/2010
Authors: Elisabeth Mansfield, Aparna Kar, Stephanie A Hooker
Abstract: Carbon nanotube exhibit a range of chemistries, including mixtures of different nanotube diameters, lengths and chiralities, coupled with various concentrations of metallic and non-nanotube carbon impurities. The performance of a given material for ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=903419

36. Artificial Intelligence Tools for Failure Event Data Management and Probability Risk Analysis for Failure Prevention
Topic: Materials Science
Published: 10/25/2009
Authors: Jeffrey T Fong, Pedro Vincente Marcal
Abstract: Over the last thirty years, much research has been done on the development of failure event databases and fatigue modeling of crack growth in pressure vessels and piping. According to a USNRC report (NUREG/CR6674, 2000), results of a fatigue crack g ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=903592

37. Assessing and Improving Bonding in Wet Conditions
Topic: Materials Science
Published: 4/3/2010
Authors: Kar Tean Tan, Christopher C White, Donald Lee Hunston, Vogt D Bryan, Anthony Haag
Abstract: Water is ubiquitous in any uncontrolled setting and affects world wide commerce by instigating device and structural failures. This can be a result of corrosion, electrical shorting, or adhesive failure. For adhesive failure, the environmental attack ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=901478

38. Assessment of Factors Affecting Fire Performance of Mattresses: A Review
Series: Technical Note (NIST TN)
Report Number: 1740
Topic: Materials Science
Published: 3/20/2012
Authors: Shonali Nazare, Rick D Davis
Abstract: An in-depth analysis of U.S. residential fire statistics shows that although the total number of fires and deaths due to mattress fires has dropped as a result of several regulatory approaches, the number of deaths per 1000 mattress/bedding fires ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=910909

39. Authentication and Dating of Biomass Components of Industrial Materials; Links to Sustainable Technology
Topic: Materials Science
Published: 10/1/2000
Authors: Lloyd A. Currie, D Klinedinst, R Burch, N Feltham, R Dorsch
Abstract: There are twin pressures mounting in U.S. industry for increased utilization of biomass feedstocks and biotechnology in production. The more demanding pressure relates to economic sustainability, that is, because of increased competition globally, b ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=831161

40. Automated Data Processing and Quantification in Polymer Mass Spectrometry
Topic: Materials Science
Published: 12/1/2011
Authors: Till Gruendling, Christopher Barner-Kowollik, William E Wallace III, Charles Martin Guttman, Anthony J Kearsley
Abstract: An overview is given of some new techniques in quantitative composition and molecular mass distribution measurement of synthetic polymers by mass spectrometry. New concepts in data analysis, including peak picking and integration, are also described ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=907901