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Conferences

Analytical Tools for Point Source Interferometry

February 20, 2017

Author(s)

Gregory W. Hoth, John E. Kitching, Elizabeth A. Donley, Bruno M. Pelle

Light pulse atom interferometry can be used to realize high-performance sensors of accelerations and rotations. In order to broaden the range of applications of...

Process Engineering During the Life Cycle of a Product in the Twenty-First Century: Scope and Status of ISO/CD 10303-231

February 19, 2017

Author(s)

Mark E. Palmer, M Gilbert, F E. Hess

This document provides an overview of a new ISO standard, ISO/CD 10303-231, for exchanging process engineering information among process design and process...

Nonlinear Database-Assisted Design Improves Wind Resistance of Low-Rise Buildings

February 19, 2017

Author(s)

Dat Duthinh, William P. Fritz

This paper presents an improved method to design buildings to resist high wind. The method consists of using databases of pressures measured in wind tunnel...

On the Aeroelastic Indifference of Brancusi's Endless Column

February 19, 2017

Author(s)

Rene D. Gabbai

Brancusi s Endless Column (T rgu-Jiu, Romania) has been referred to as aeroelastically indifferent owing to its remarkable aeroelastic stability. The column s...

Monitoring the Mechanical Properties of Adhesives and Coatings via Ultrasonic Shear Wave Techniques

February 19, 2017

Author(s)

Donald L. Hunston

Nondestructively characterizing the mechanical properties of adhesives and coatings is a difficult challenge. There are many instances, however, where it would...

Standardized Cost Structure for the Environmental Industry

February 19, 2017

Author(s)

Harold E. Marshall, Bryan Skokan, Dan Melamed, Karen Guevara, George Bierman

The underlying key to developing successful estimates, tracking projects costs, and utilizing historical project cost information is the development of...

Surface, Interface and Bulk Microstructures of Amine-Cured Epoxies - An Intensive AFM Study

February 19, 2017

Author(s)

Xiaohong Gu, D Martin, Jonathan W. Martin, Tinh Nguyen

Factors Affecting the Service Life of Seams of EPDM Roof Membranes

February 19, 2017

Author(s)

Walter J. Rossiter Jr, Jonathan W. Martin

A quarter century ago, a revolution occurred in the U.S. low-sloped roofing industry with the introduction of a number of new membrane products including...

Aerodynamic Time-History and Climatological Databases for Prescriptive and Performance-Based Wind Loading Provisions

February 19, 2017

Author(s)

Emil Simiu, T Whalen

We summarize results of ongoing research at the National Institute of Standards and Technology into the development of a new generation of standard provisions...

X-Ray Absorption Fine-Structure Determination of Ferroelectric Distortion in SrtiO₃ Thin Films grown on Si(001)

February 19, 2017

Author(s)

Joseph Woicik, F S. Aguirre-Tostado, A Herrera-Gomez, R Droopad, Z Yu, D G. Schlom, E Karapetrova, P Zschack, P Pianetta

Polarization-dependent x-ray absorption fine structure together with x-ray diffraction have been used to study the local structure in SrTiO 3 thin films grown...

Characterization of Solid Oxide Fuel Cell Layers by Computed X-Ray Microtomography and Small-Angle Scattering

February 19, 2017

Author(s)

Andrew J. Allen, T A. Dobbins, J Ilavsky, Fu Zhao, A Virkar, J Almer, F DeCarlo

Influence of Particle Size on DCPD Hydrolysis and Setting Properties of TTCP/DCPD Cement

February 19, 2017

Author(s)

Limin Sun, Laurence C. Chow, Shozo Takagi, Elena F. Burguera, Stanislav Frukhtbeyn

This study investigated the effects of particle size on the hydrolysis reaction of DCPD at pH 7 and 37 C and on the setting properties of a TTCP/DCPD cement...

The 48th Annual Denver X-Ray Conference

February 19, 2017

Author(s)

Winnie Wong-Ng

The 48th Annual Denver X-ray Conference took place at Sheraton Steamboat Resort, Colorado, from August 2-6, 1999. This meeting was well attended, with a...

Strain-Induced Ferroelectric SrTiO₃ Thin Films Grown Coherently on Si(001): Experiment and Theory

February 19, 2017

Author(s)

Joseph Woicik, Eric L. Shirley, Daniel A. Fischer, S Sambasivan, C R. Ashman, C S. Hellberg, H Li

Ferroelectric crystals possess an electric dipole moment even in the absence of an external electric field. In order for this spontaneous polarization to arise...

Thermal Diffusivity of AIN Using the Photothermal Deflection Technique

February 19, 2017

Author(s)

E J. Gonzalez

The thermal conductivity of AIN specimens doped with Y2O3(5 wt.%) was determined using the photothermal deflection technique. The results agree within 10% of...

Phase Equilibria of the High Tc Superconductors in the (Bi, Pb) -SR-Ca-Cu-O System

February 19, 2017

Author(s)

Winnie Wong-Ng, Lawrence P. Cook, W Greenwood, Anthony J. Kearsley

Applications of (Bi,Pb)-Sr-Ca-Cu-O phase equilibria include material synthesis, melt processing and single crystal growth. Both liquidus and subsolidus data are...

Applications of Ceramics for Healthcare: The Future Has Begun

February 19, 2017

Author(s)

Grady S. White

Dramatic improvements in our understanding of how biological systems work, diseases initiate, and illnesses progress have given rise to the expectation that...

Microstructure-Wear Resistance Relationships for YSZ and Alumina Plasma Sprayed Deposits

February 19, 2017

Author(s)

J Ilavsky, H Boukari

A simple sectioning method was applied to investigate the changes in the wear resistance of two thermally sprayed deposits, two yttrium-stabilized zirconia (YSZ...

Enhancement of Mercuric Iodide Detector Performance Through Crystal Growth in Microgravity: The Roles of Lattice Order

February 19, 2017

Author(s)

B W. Steiner, L van den Berg, U Laor

The hole mobility and carrier lifetime of [alpha] mercuric iodide high energy radiation detectors have been enhanced through crystal growth in microgravity. The...

Transient Creep Cavity Growth in Structural Ceramics

February 19, 2017

Author(s)

A F. Bower, Tze J. Chuang

Long-term service life of a load-bearing ceramic component such as a turbine blade atelevated temperatures is often controlled by the rates of nucleation and...

New Synchrotron X-Ray Techniques for In-Situ Deformation Studies

February 19, 2017

Author(s)

Lyle E. Levine, R Thomson, Gabrielle G. Long, David R. Black

Many types of defects contribute to local and long-range stresses and strains in materials. These include vacancies, voids, prismatic loops, interstitials...

Versatile USAXS (Bonse-Hart) Facility for Advanced Materials Research

February 19, 2017

Author(s)

J Ilavsky, P Jemain, Andrew J. Allen, Gabrielle G. Long

The USAXS facility at UNICAT Sector 33 at the Advanced Photon Source (APS) is a world-class resource for advanced materials research emphasizing full-range...

Effects of Large Grains on Transgranular Fracture Toughness

February 19, 2017

Author(s)

Stephen W. Freiman

This paper addresses issues of fracture for materials in which large grains, exist in a matrix of much smaller grains. Materials used for optical components...

Elastic Anomaly in SrTiO3 Thin Films Grown on Si(001)

February 19, 2017

Author(s)

Joseph Woicik, F S. Aguirre-Tostado, A Herrera-Gomez, R Droopad, D G. Schlom, P Zschack, E Karapetrova, P Pianetta

Role of Melting Equilbria in the Processing of High T-c Superconductors in the BSCCO System

February 19, 2017

Author(s)

Winnie Wong-Ng, Lawrence P. Cook, Anthony J. Kearsley, A R. Roosen

Three types of liquids were found in the BSCCO system: transient, metastable, and stable liquids. The roles of these liquids are discussed with examples...

Boundary Lubricated Friction Experiments With Coarse Surface Texture

February 19, 2017

Author(s)

Jorn Larsen-Basse, L K. Ives, Stephen M. Hsu

Low-speed friction experiments were conducted under boundary lubrication in a pin-on-disk tester. The 304 stainless steel disk had smooth areas alternating with...

Nanofriction: The Observation of Elastic Plowing

February 19, 2017

Author(s)

Z C. Ying, Stephen M. Hsu

Accurate friction measurement at nanoscale is critical in reliable device design. Literature papers have reported different friction values for the same...

Effect of Colloidal Probe Random Surface Features on Adhesion

February 19, 2017

Author(s)

Seung H. Yang, Stephen M. Hsu

We have uncovered the fact that colloidal probes often have random surface features which when not properly accounted for, can significantly affect the...

The Effect of Plowing on Nanofriction

February 19, 2017

Author(s)

Stephen M. Hsu, Z C. Ying

Development of low friction surfaces has become an important issue for the development of reliable devices with moving components. The common way to measure...

Relationship Between Microstructure and Wear of Dental Ceramics and Composite Resins

February 19, 2017

Author(s)

V S. Nagarajan, S Jahanmir, B Hockey, Victoria Thompson

The effect of microstructure on the wear mechanisms of glass-ceramics and resin composites was studied. Wear tests on both types of materials were conducted...

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