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Conferences

The Influence of Additives on the Room-Temperature Recrystallization of Electrodeposited Copper

October 16, 2008

Author(s)

Gery R. Stafford, Mark D. Vaudin, Thomas P. Moffat, N G. Armstrong, David R. Kelley

The recrystallization behavior of copper, electrodeposited from a copper sulfate-sulfuric acid plating bath into which various combinations of NaCl, sodium 3...

Report to The Medical Devices Standards Board

October 16, 2008

Author(s)

John A. Tesk

News of recent NIST standards-related activities are presented for information to the Medical Devices Standards Board. These include the release of reference...

Scanning Acoustic Microscopy Stress Measurements in Electronic Packaging

October 16, 2008

Author(s)

E Drescher-Krasicka, T M. Moore, T Hartfield, D Chery

Scanning acoustic microscopy has been successfully implemented for the nondestructive detection of cracks and delaminations in integrated circuit packages. In...

A Multi-Sample Melt Micro-Rheometer

October 16, 2008

Author(s)

Anthony J. Bur, Kalman Migler

A slit micro-rheometer that is used for simultaneous measurement of melt viscosities of four samples has been developed. Sample size is less than 100 mg. The...

Chromatographic Separation of Single Wall Carbon Nanotubes

October 16, 2008

Author(s)

Barry J. Bauer, Vardhan Bajpai, Jeffrey Fagan, Matthew Becker, Erik K. Hobbie

Size exclusion chromatography (SEC) has been used to separate single wall carbon nanotubes (SWNT) dispersed by chemical modification in organic solvents and by...

The Increasing Role of Fractography in the Dental Community

October 16, 2008

Author(s)

Janet Quinn, Susanne Scherrer, George D. Quinn

The development of new fabrication capabilities along with new alloys, polymers, composites and advanced ceramics has revolutionized many industries including...

Multi-Scale Discrete Dislocation Plasticity Analysis: Application to Nano-indentation

October 16, 2008

Author(s)

S M. Khan, Lyle E. Levine

To closely analyze the dislocation structure evolution during nano-indentation, a multi-scale discrete dislocation plasticity code is modified to include nano...

Dynamic Material Properties for Machining Simulation Using the NIST Pulse-Heated Kolsky Bar

October 16, 2008

Author(s)

Richard L. Rhorer

The modeling or simulation of machining processes is important for economically implementing new manufacturing processes such as high-speed milling or...

Stress Relaxation of Poly(ethylene Naphthalate): Isothermal, Isochronal and Isostructural Responses

October 16, 2008

Author(s)

M L. Cerrada, G B. McKenna

The physical aging response of polymers is generally examined in isothermal conditions by following the viscoelastic behavior as a function of aging time. It is...

In-Situ Visualization of Novel Polymer Droplet Morphologies During Extrusion

October 16, 2008

Author(s)

Erik K. Hobbie, Kalman Migler

We report the observation of novel droplet morphologies in the high stress layers near the walls of a specially instrumented slit die. We utilize in-situ...

Modeling Complex Aftereffect Behavior in Recording Materials Using a Preisach-Arrhenius Approach

October 16, 2008

Author(s)

Edward Della Torre, Lawrence H. Bennett, L Swartzendruber

A Preisach-Arrhenius aftereffect model, that accurately calculates the entire relaxation process, including the linear log-time region, is used to describe some...

A Description of the Fluoroelastomer Coating Evolution as a Polymer Processing Aid

October 16, 2008

Author(s)

Mathurin G. Meillon, D Morgan, D Bigio, Kalman Migler, S Oriani

For decades, fluoroelastomers have been used as polymer processing aids (PPA). Previous works have measured the thickness of the PPA coating, its effects on the...

An Optical Sensor for Measuring Fluorescence Anisotropy of Oriented Polymers

October 16, 2008

Author(s)

S C. Roth, Anthony J. Bur

An optical sensor containing polarizing optical components has been constructed for the purpose of measuring fluorescence anisotropy of fluorescent dyes. The...

Effect of Signal-Processing Parameters on Phase Velocity Uncertainty

October 16, 2008

Author(s)

M C. Renken, C M. Fortunko, C T. Mullis

Quantification of signal-processing effects is required for an accurate determination (less than 1% uncertainty) of the absolute phase velocity, particularly...

Craze Growth in Stress Relaxation Conditions: Effects of Physical Aging

October 16, 2008

Author(s)

M Delin, G B. McKenna

Growth of crazes during stress relaxation has been examined under physical aging conditions at four temperatures, from ambient to 60 degrees} C, for a styrene...

Report to The Medical Devices Standards Board, Prepared for the November 13, Meeting of the MDSB

October 16, 2008

Author(s)

John A. Tesk

Standards Board. These include the release of reference material 8457 for measurements of crosslinking of Ultra High Molecular Weight Polyethylene (UHMWPE)...

Hygrothermal Effects on Physical Aging and Structural Recovery of an Epoxy Thermoset

October 16, 2008

Author(s)

W H. Han, G B. McKenna

We have investigated the hygrothermal effects on thin epoxy films (c.a. 60 :m thick) using mass uptake, swelling, and uniaxial creep compliance measurements...

Reduced Hardening Time of Calcium Phosphate Cements

October 16, 2008

Author(s)

Milenko Markovic, S. Takagi, Laurence C. Chow

The first self-hardening calcium phosphate cement (CPC) consisting of tetracalcium phosphate (TTCP, Ca 4(PO 4) 2O) and dicalcium phosphate anhydrous (DCPA...

Coping With Complex Surfaces: An Interface Between Mathematics and Condensed Matter Physics

October 16, 2008

Author(s)

Jack F. Douglas

A transcript of a talk on the application of mathematics to materials science is presented. The talk considers the application of random walk methods to solving...

Review of a Workshop on Thin Film Thermal Conductivity Measurements

October 16, 2008

Author(s)

A Feldman, N M. Balzaretti, A Guenther

A Workshop was held on the subject Thin Film Thermal Conductivity Measurement as part of the Thirteenth Symposium on Thermophysical Properties at the University...

Evaluation of Cell Source for Tissue Engineered Ligament: Anterior Cruciate Ligament (ACL), Medial Collateral Ligament (MCL), Achilles Tendon (AT) and Patellar Tendon (PT)

October 16, 2008

Author(s)

James A. Cooper, L A. Bailey, Janell N. Carter, Cynthia Castiglioni, Michelle D. Kofron, Frank K. Ko, Cato T. Laurencin

This study investigated four different connective tissue cell types to determine which cell type is an optimal source for seeding a tissue-engineered Anterior...

A Dielectric Slit die for In-Line Monitoring of Polymer Componding

October 16, 2008

Author(s)

Anthony J. Bur, M M. McBrearty

The dielectric slit die is a new instrument designed for real-time monitoring of polymer compounding. It is a multi-purpose sensing device for measuring...

Monitoring Polymerization in Microfludic Flow Channels Using Spectroscopy Methods

October 16, 2008

Author(s)

Anthony J. Bur, Zuzanna T. Cygan, Kathryn L. Beers, Susan E. Barnes

A micro-fluidic device, designed as a high throughput system for characterizing polymerizations over a range of solvent, monomer, initiator and temperature...

Comparison of Area Measurements of Apertures for Exo-Atmospheric Solar Irradiance Between NIST and JPL

October 16, 2008

Author(s)

Maritoni Litorja, B. Carol Johnson, J B. Fowler

A comparison of the area measurements of the limiting apertures used for total solar irradiance measurements in the Active Cavity Radiometer Irradiance Monitor...

The Establishment and Verification of Traceability for Remote Sensing Radiometry, With an Eye Towards Intercomparison of Results

October 16, 2008

Author(s)

B. Carol Johnson, Joseph P. Rice, Steven W. Brown

Establishment of traceability is necessary for placing results and estimates of their uncertainty on an absolute scale. There are a number of factors that must...

Metrology for Remote Sensing Radiometry

October 16, 2008

Author(s)

B. Carol Johnson, Steven W. Brown, Joseph P. Rice

Metrology, the science of measurement, is discussed in terms of measurements of radiant flux and associated quantities. Radiometric measurements are naturally...

Nitrides in Materials Science: Some Thermodynamic Aspects

October 16, 2008

Author(s)

P A. O'Hare

Recent studies by fluorine bomb calorimetry are described that lead to the determination of the standard molar enthalpy of formation of silicon nitride, [Δ] fH...

Formlations of the Basic Vector Network Analyzer Error Model Including Switch Terms

October 16, 2008

Author(s)

Roger Marks

This paper explores details of the relationship between two expressions of the basic error model describing a two-part vector network analyzer (VNA). One of...

Chemical Taxonomy a Novel Annotation Technique for Chemical Genomics and Semantic Web

October 16, 2008

Author(s)

Talapady N. Bhat, H Rodriguez

: Chemistry and Biology that are traditionally dominated by experimentalists, are emerging to be one of the most active areas of science in the modern era of...

A Brief Summary of the NIST Organic Thermochemistry Archive

October 16, 2008

Author(s)

H Y. Afeefy, J F. Liebman, Stephen E. Stein

This brief description summarizes the contents, philosophy and evolution of The NIST Organic Thermochemistry Archive, a chapter of the NIST Chemistry WebBook.

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