Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Conferences

Titanic, The Anatomy of a Disaster -- A Report From the Marine Forensic Panel [SD-7]

October 12, 2021

Author(s)

W H. Garzke, D K. Brown, P K. Matthias, R Cullimore, D Wood, D Livingstone, H P. Leighly, Timothy J. Foecke, A Sandiford

W98-0170 Withdrawn by Author on 02/02/98: Please withdraw WERB Manuscript W98-0170 from consideration. It was entitled 'Titanic: Anatomy of a Disaster . . .' I...

Acoustoelasticity, Theory and Experiment

October 12, 2021

Author(s)

L Jiang, Regis J. Kline, Y Yacobi, E Drescher-Krasicka

As a promising tool to characterize residual stress in engineering structural components, acoustoelasticity has been the subject of a great deal of research...

A Minimalist Sensor System for Mold Filling

October 12, 2021

Author(s)

S R. Kueh, S G. Advani, Richard~undefined~undefined~undefined~undefined~undefined Parnas

Reliable mold filling remains the most critical issue in the commercial application of liquid composite molding. Many techniques of observing the flow are...

Synchrotron Based Surface Science to Probe Structure and Chemistry of Polymeric Interfacial Regions

October 12, 2021

Author(s)

Joseph~undefined~undefined~undefined~undefined~undefined Lenhart, Daniel A. Fischer

Synchrotron based X-ray absorption spectroscopy was utilized to probe the chemistry and structure of polymers in interfacial regions, including the interfacial...

The Role of Ge In Cluster Formation in B and BF2 Implanted Si Wafers After Ge Pre-Amorphization

October 12, 2021

Author(s)

M A. Sahiner, C W. Magee, D F. Downey, Joseph Woicik

Cluster formation in high dose B, BF2 implanted Si wafers is an important problem in silicon doping, since it is one of the leading causes of the electrical...

Visualization and Quantification of Forced In-Plane Flow Through Deformable Porous Media

October 12, 2021

Author(s)

H L. Friedman, R A. Johnson, V Gussev, A V. Neimark, D R. Salem, Richard~undefined~undefined~undefined~undefined~undefined Parnas

Fluid flow in liquid molding processes and in other applications involving porous media is often characterized with a permeability tensor and modeled by d'Arcy...

Medical Implant Information, Performance, and Policies Workshop

October 12, 2021

Author(s)

A A. Ciarkowski, G Devey, H Heffernan, C A. Kelley, B Liebler, W F. Regnault, W L. Shinowara, M D. Sourwine, John A. Tesk, J R. Watson

The BMIS Coordinating Committee organized a workshop on September 19 and 20, 2002, in Gaithersburg, MD, to evaluate the role of the Federal Government in...

Optimum Press and Sinter Processing for Aluminum/SiC Composites

October 12, 2021

Author(s)

G T. Campbell, R Raman, Richard J. Fields

Previous research by the present authors has revealed the importance of relative particle size [d(SiC)/d(Al)] in the development of strength in Al/SiC...

New Correction Procedure for X-Ray Spectroscopic Fluorescence Data: Simulations and Experiments

October 12, 2021

Author(s)

J Ablett, Joseph Woicik, C C. Kao

X-ray fluorescence spectroscopy is a widely used method for determining the electronic configuration and local structure of dilute species with high sensitivity...

Descriptive Fractography on All-Ceramic Dental Crown Failures

October 12, 2021

Author(s)

Susanne Scherrer, Janet Quinn, George D. Quinn, HW A. Wiskott

Descriptive fractography has been applied to three dental ceramic crown failures for understanding the fracture process and assessing possible design...

Ultrasonic Melt Temperature Measurement During Extrusion

October 12, 2021

Author(s)

J Shen, Eric Edwards, C L. Thomas, Anthony J. Bur

An ultrasonics sensor, which can be used at polymer processing temperatures, was developed and used to monitor temperature of a polymer extrudate. This was...

Synchrotron Based Surface Science to Probe Polymeric Interfacial Regions

October 12, 2021

Author(s)

Joseph~undefined~undefined~undefined~undefined~undefined Lenhart, Daniel A. Fischer

Synchrotron based X-ray absorption spectroscopy was utilized to probe the chemistry and structure of polymers in interfacial regions, including the interfacial...

The Effect of Glass Composition on Creep Damage Development in Silicon Nitride Ceramics

October 12, 2021

Author(s)

F Lofaj, Sheldon M. Wiederhorn, F Dorcakova, Michael J. Hoffmann

Creep damage development during tensile creep in two different commercial silicon nitride ceramics, SN88 and SN 281, was measured using precise density...

Prediction of the Degradation Behavior of Calcareous Rocks via Finite-Element Modelling

October 12, 2021

Author(s)

T Weiss, D M. Saylor, Lin-Sien H. Lum, S Siegesmund

Modal Reconstruction of Aspheric Surfaces From Experimental Second Derivatives

October 12, 2021

Author(s)

Nadia Machkour-Deshayes, Byoung C. Kim, Robert S. Polvani, Ulf Griesmann

A method for the measurement of precise aspheric optical surfaces based on measurements of the second derivatives of the surface is evaluated. A compact phase...

Influence of Drawbeads in Deep Drawing of Plane-Strain Channel Sections

October 12, 2021

Author(s)

D E. Green, T B. Stoughton, Thomas H. Gnaupel-Herold, Mark Iadicola, Timothy J. Foecke

The Numisheet 2005 Benchmark 3 consisted of forming four different automotive sheet materials in a two-stage process. The first stage consisted of forming...

University Involvement in ATP and Effect on Project Outputs

October 12, 2021

Author(s)

F A. Moris, C Chang, Andrew J. Wang

Universities play a key role in the U.S. innovation system. Universities are engaged in research at the scientific and technological frontier. Private companies...

Detection of Smoke From Microgravity Fires

October 12, 2021

Author(s)

D L. Urban, DeVon Griffin, Gary Ruff, Thomas Cleary, Jiann C. Yang, George W. Mulholland, Zeng-guang Yuan

The history and current status of spacecraft smoke detection is discussed including a review of the state of understanding of the effect of gravity on the...

A New Reactive Molecular Dynamics Model Of Polymer Pyrolysis

October 12, 2021

Author(s)

Stanislav Stoliarov, Kenneth D. Smith, P R. Westmoreland, Richard E. Lyon, Marc R. Nyden

In this paper, we report progress that has been made in the development of an extension of classical force-field-based molecular dynamics (MD) to the simulation...

Feasibiliy and Fidelity of Data Exchange Through IFC for Building Commissioning

October 12, 2021

Author(s)

Hongjun Wang, Burcu Akinci, J H. Garrett, K A. Reed

The building commissioning (BC) process ensures that the various interacting systems in a building are properly installed and operating. It is a process...

Wind Speed Estimation Uncertainties: Effects of Climatological and Micrometeorological Parameters

October 12, 2021

Author(s)

S M. Diniz, Fahim H. Sadek, Emil Simiu

To achieve structures that are risk-consistent, structural reliability methods must be used that account for uncertainties with respect to the relevant...

A Database-Assisted Design Approach for the Assessment of Wind Induced Torsional Effects on Tall Buildings

October 12, 2021

Author(s)

I Venanzi, William P. Fritz

Structures subjected to wind loads experience torsional moments due to the eccentricity of the time-dependent resultant aerodynamic load with respect to the...

Isochoric Heat Capacities of Ethanol-Water Mixtures at Temperatures from 280 K to 420 K and Pressures to 30 Mpa

October 12, 2021

Author(s)

Hiroshi Kitajima, N Kagawa, S Tsuruno, Joe W. Magee

Specific heat capacity at constant volume is one of the most important thermodynamic properties to develop and evaluate thermodynamic equations of state. With...

MatML: XML for Information Exchange With Materials Property Data

October 12, 2021

Author(s)

A S. Varde, E F. Begley, S Fahrenholz-Mann

This paper describes the development and use of MatML, the Materials Markup Language. MatML is an emerging XML standard intended primarily for the exchange of...

Interaction of Surface Free Energy and Humidity on AFM Tip-Sample Adhesion Measured by Chemical Force Microscopy

October 12, 2021

Author(s)

Lei Chen, Tinh Nguyen, Xiaohong Gu, D Julthongpiput, Michael J. Fasolka, Jonathan W. Martin

Accelerating Iterative Equation of State Calculations With Superancillary Phase Boundaries

October 11, 2021

Author(s)

Ian Bell

Iterative calculations are needed to obtain the natural variables of an equation of state from the given state variables when analyzing thermal systems...

Microwave characterization of graphene inks

October 11, 2021

Author(s)

Jan Obrzut, Ana C. M. Moraes

Systematic charge transport characterization of solution-processed graphene inks using ethyl cellulose polymer as a binder/stabilizer, showed graphene patterns...

DUAL DIELECTROPHORETIC ASSEMBLY OF CO-CULTURES FOR THE STUDY OF CELL MIGRATION INDUCED BY PHYSICAL INTERACTIONS

October 10, 2021

Author(s)

Brian J. Nablo, Darwin Reyes-Hernandez

We present the differences in cell migration patterns of endothelial cells when they physically interact with cancer cells through a porous membrane barrier (1...

Calculating Voxel-Polyhedron Intersections for Meshing Images

October 9, 2021

Author(s)

Stephen A. Langer, Andrew Reid

Finite element meshes constructed from 3D images are useful in materials science and medical applications when it is necessary to model the actual geometry of a...

Testing the similarity conditions in the CT measurement of additively manufactured lattice structures

October 8, 2021

Author(s)

Maxwell R. Praniewicz, Massimiliano Ferrucci, Jason Fox, Christopher Saldana

X-ray computed tomography (CT) enables the non-destructive measurement of hidden internal features that are inaccessible by tactile or optical coordinate...

Was this page helpful?