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Conferences

Advances in the Development of OpenCalphad Software and Databases

June 28, 2015

Author(s)

Bo Sundman, Ursula R. Kattner, Mauro Palumbo, Suzana G. Fries

Thermodynamics is at the core of materials science. The Calphad method, a powerful tool for materials design and engineering applications, has been shown to be...

Towards implementing the new kelvin: A workshop held at the Kavli Royal Society International Centre, 18-19 May 2015

June 27, 2015

Author(s)

Graham Machin, Joachim Fischer, Michael R. Moldover, John Saunders, J. P. Martin Trusler, Rod White

none

Digital Repository of Mathematical Formulae KLS Seeding Project

June 23, 2015

Author(s)

Howard S. Cohl, Marjorie A. McClain, Bonita V. Saunders, Moritz Schubotz, Cherry Y. Zou, Alex A. Danoff, Azeem S. Mohammed

One initial goal for the DRMF is to seed our digital compendium with fundamental orthogonal polynomial formulae. We have received permission from Springer...

A new method to study variation of aerosol optical properties using 3-D reconstructions

June 22, 2015

Author(s)

Diana Ortiz-Montalvo, Joseph M. Conny

Ambient particles are ubiquitous in the atmosphere and exert a strong influence on the climate by altering the Earth's radiative balance. Aerosol interactions...

Estimating Wind Speeds in Tornadoes and other Windstorms: Development of an ASCE Standard

June 21, 2015

Author(s)

Frank Lombardo, Tanya Brown, Marc Levitan, James LaDue

Estimation of near-surface wind fields in tornadoes has important applications in both structural engineering and meteorology. Estimated near-surface wind...

Comparison of J-integral from single specimen SE(T) tests on API-5L X100 line pipe steel

June 21, 2015

Author(s)

Timothy S. Weeks, David Read

The clamped single-edge notched tension (SE(T)) specimen has seen increased use as a single-specimen testing scheme to determine tearing resistance curves in...

The effect of systematic errors on the hybridization of optical critical dimension measurements

June 21, 2015

Author(s)

Mark Alexander Henn, Richard M. Silver, Nien F. Zhang, Hui Zhou, Bryan M. Barnes

In hybrid metrology two or more measurements of the same measurand are combined to provide a more reliable result that ideally incorporates the individual...

Small footprint nano-mechanical plasmonic phase modulators

June 21, 2015

Author(s)

Vladimir A. Aksyuk, Brian S. Dennis, Michael Haftel, David Czaplewski, Daniel Lopez, Girsh Blumberg

The authors recent Nature Photonics article titled Compact Nano-Mechanical Plasmonic Phase Modulators [1] is reviewed which reports a new phase modulation...

Characterization of Electrothermal Actuation with Nanometer and Microradian Precision

June 21, 2015

Author(s)

Craig R. Copeland, Craig D. McGray, Jon C. Geist, Vladimir A. Aksyuk, Samuel M. Stavis

A recently introduced particle-tracking method was used to measure the single motion cycles of an electrothermal actuator with nanometer and microradian...

HIGH-Q ON-CHIP MICROWAVE RESONATOR FOR SENSITIVE PERMITTIVITY DETECTION IN NANOLITER VOLUMES

June 21, 2015

Author(s)

A Padilla, Alex Watson, Christopher L. Holloway, James Booth

This work presents the design, fabrication and characterization results for a thick film (6µm Cu), coplanar waveguide (CPW) resonator operating at 2.2GHz with a...

A high-concentration programmable solar simulator for testing multi-junction concentrator photovoltaics

June 19, 2015

Author(s)

Tasshi Dennis, Brent Fisher, Matt Meitl, John Wilson

We describe the design and operation of a spectrally programmable solar simulator capable of being concentrated to very high irradiance for the testing of multi...

Taking Impact Metrics to the Next Level at the National Institute of Standards and Technology

June 14, 2015

Author(s)

Susan L. Makar, Amanda J. Malanowski

Only a few years ago, librarians in the Information Services Office (ISO) of the National Institute of Standards and Technology (NIST) were providing a single...

Nanoelectronic Structural Information with Scanning Probe Microscopes

June 14, 2015

Author(s)

Joseph J. Kopanski, Lin You, Jungjoon Ahn, Yaw S. Obeng

Scanning probe microscope (SPM) based methods to obtain subsurface structural information about nano-structured materials are described. A test structure chip...

A Simulation Based Methodology of Assessing Environmental Sustainability and Productivity for Integrated Process and Production Plans

June 12, 2015

Author(s)

Qais Y. Hatim, Guodong Shao, Sudarsan Rachuri, Deogratias Kibira, Soundar Kumara

With the increasing attention directed to sustainable manufacturing, systematic methodologies and tools are needed for not only incorporating the traditional...

Virtual Fusion: State of the Art in Component Simulation/Emulation for Manufacturing

June 12, 2015

Author(s)

William S. Harrison, Frederick M. Proctor

Simulation is an indispensable part of design and analysis in a near infinite space of applications. Every day, simulation is applied to new problems as well as...

Statistical characterizations for tensile properties of co-polymer aramid fibers: loading rate effects

June 9, 2015

Author(s)

Jae Hyun Kim, Nathanael A. Heckert, Kai-Li Kang, Walter G. McDonough, Kirk D. Rice, Gale A. Holmes

Structure-property relationships in bimodal polyethylene from indentation measurements

June 8, 2015

Author(s)

Aaron Forster, Wei-Lun Ho, Kar T. Tan, Donald Hunston

Polyethylene is an advantageous material for the construction of buried pipelines. It is corrosion resistant, seismic tolerant, and utilizes low cost...

A Fast Algorithm for Elastic Shape Distances Between Closed Planar Curves

June 8, 2015

Author(s)

Gunay Dogan, Javier Bernal, Robert C. Hagwood

Effective computational tools for shape analysis are needed in many areas of science and engineering. We address this and propose a fast algorithm to compute...

Enabling Smart Manufacturing Research and Development using a Product Lifecycle Test Bed

June 8, 2015

Author(s)

Moneer M. Helu, Thomas D. Hedberg

Smart manufacturing technologies require a cyber-physical infrastructure to collect and analyze data and information across the manufacturing enterprise. This...

Broadband frequency-dependent material property measurements with the atomic force microscope

June 8, 2015

Author(s)

Ryan B. Wagner, Jason P. Killgore

The atomic force microscope (AFM) is a widely utilized instrument for measuring nanometer-scale variations in mechanical properties. Most AFM techniques only...

Uncertainties of Digital Image Correlation Due to Pattern Degradation at Large Strain

June 8, 2015

Author(s)

Mark A. Iadicola

A method to measure the displacement uncertainty increase, due in part to pattern breakdown at large strains is described. The method is similar to rigid body...

Fundamental Requirements for Data Representations in Laser-based Powder Bed Fusion

June 8, 2015

Author(s)

Shaw C. Feng, Paul W. Witherell, Gaurav Ameta, Duck B. Kim

Additive Manufacturing (AM) processes intertwine aspects of many different engineering-related disciplines, such as powder material metrology, design, in-situ...

Hierarchical Wireless Network Design for Synchrophasor Communication in Distributed Generation Grid

June 8, 2015

Author(s)

Hamid Gharavi

There has been a growing interest in the deployment of Phasor Measurement Units (PMUs) in a Distributed Generation (DG) grid system. The main obstacle is the...

A Generalized Data-Driven Energy Prediction Model with Uncertainty for a Milling Machine Tool using Gaussian Process

June 8, 2015

Author(s)

Jinkyoo Park, Raunak Bhinge, Nishant Biswas, Amrita Srinivasan, Kincho H. Law, David Dornfeld, Moneer Helu, Sudarsan Rachuri

Using a machine learning approach, this study investigates the effects of machining parameters on the energy consumption of a milling machine tool, which would...

A Novel Compact Core Design for Beam Tube Research Reactors

June 7, 2015

Author(s)

Zeyun NMN Wu, Max Carlson, Robert E. Williams, Sean O'Kelly, J. Michael Rowe

Experimental and Numerical Investigation on the Effect of Cooling/Heating Rate on the Freeze-Thaw Behavior of Mortar Containing Deicing Salt Solution

June 3, 2015

Author(s)

Yaghoob Farnam, Hadi S. Esmaeeli, Dale P. Bentz, Pablo Zavattieri, Jason Weiss

In North America, some concrete pavements and sidewalks have shown severe damage during freezing. Research has been performed to better understand the cause of...

Nanometer level sampling and control of a scanning electron microscope

June 2, 2015

Author(s)

Bradley N. Damazo, Andras Vladar, Olivier M. Marie-Rose, John A. Kramar

The National Institute of Standards and Technology (NIST) is developing a specialized, metrology scanning electron microscope (SEM), having a metrology sample...

Systematic Examination of Ring Resonator Structures for Temerpature Sensing Applications

June 1, 2015

Author(s)

Nikolai N. Klimov, Zeeshan Ahmed

In recent years silicon photonic devices have emerged as a powerful tool for devleop novel, sensitivity sensors. In a recent study we systematically examined...

110 Labs in Worlds Largest Interlaboratory Comparison of LED Test Labs improving testing competency to support market transformation

June 1, 2015

Author(s)

Yoshihiro Ohno, Koichi Nara, Peter Bennich, Michael Scholand, Nils Borg

The International Energy Agency (IEA) 4E Solid State Lighting Annex initiated a programme starting in 2011 looking at a global laboratory accreditation scheme...

Dynamic Tensile Behavior of a Quenched and Partitioned High Strength Steel using a Kolsky Bar

June 1, 2015

Author(s)

Steven P. Mates, Fadi Abu-Farha

Dynamic tension tests are performed on a quenched and partitioned high strength steel grade, QP980, using a direct tension Kolsky Bar method. In this method...

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