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The National Institute of Standards and Technology (NIST) uses a laser Doppler anemometer (LDA) as a working standard for airspeed calibrations in the range 0
Ronald A. Ginley, Dylan Williams, N M. Ridler, J L. Hesler, Anthony R. Kerr, R D. Pollard
This paper describes an activity that has begun recently to develop an international standard for rectangular metallic waveguides and their interfaces for
Compressive stresses in stiff polymer coatings can give rise to surface instabilities in which the coating adopts a sinusoidally wrinkled morphology with a
We demonstrate that thermal wrinkling can be utilized to measure the rubbery modulus and shear viscosity of polystyrene (PS) thin films as a function of
Jessica M. Torres, Christopher Stafford, Bryan D. Vogt
In this work, we examine the influence of relative molecular mass (Mn, or the number average molecular mass) of PS on the thickness-dependent moduli using a
From mundane and repetitive tasks to assisting first responders in saving lives of victims in disaster scenarios, robots are expected to play an important role
Jonathan W. Martin, Xiaohong Gu, Tinh Nguyen, Joannie W. Chin
NIST has initiated a research program for improving the quality of the data input for making economic sustainability assessments of polymeric infrastructure
The test bed for the Measurement Science Program at the National Institute of Standards and Technology (NIST) includes a robot arm on a rail, conveyers
John H. Lehman, David J. Livigni, Christopher L. Cromer, Xiaoyu X. Li, Marla L. Dowell
A high-energy laser attenuator in the range of 250 mJ (20 nsec pulse width, 10 Hz repetition rate, 1064 nm, 1574 nm wavelengths) is described. The optical
The Institute of Electrical and Electronics Engineers (IEEE) 1451 standard provides plug-and-play capability of smart transducers (sensors and actuators). Plug
This tutorial discusses the importance of citing valid uncertainties when reporting analytical results and the need for a universally accepted approach for
Michael S. Gaither, Frank W. DelRio, Richard S. Gates, Edwin R. Fuller, Robert F. Cook
Micro- and nano-electromechanical systems are typically formed via lithographic and etching processes that leave residual surface features, stresses, and
We propose a new method to narrow the linewidth of entangled photons from spontaneous parametric down conversion incorporated with an internal Bragg grating. We
Sanjay Jain, Yung-Tsun Lee, Charles R. McLean, Charles W. Hutchings
Modeling and simulation tools and capabilities can enable understanding of the complex nature of interconnected critical infrastructure (CI) systems. For
Effects of sample surface free energy (s) and relative humidity (RH) of the tip-sample environment on image contrast and friction characteristics measured with
Coralie Bernard, Tinh Nguyen, Bastien T. Pellegrin, Mat Celina, Alexander J. Shapiro, Deborah Jacobs, Kar T. Tan, Sungjin Park, R. S. Ruoff, Joannie W. Chin
Graphene oxides are potentially a new class of nanomaterial to enhance multifunctional properties of polymers because of their remarkable thermal conductivity
We consider the effects of finite spectral bandwidth and numerical aperture in scatterometry measurements and discuss efficient integration methods based upon
Zhuopeng Tan, Edwin J. Heilweil, Leonid A. Bendersky
In this paper we report on kinetics studies on growth rates of a hydride phase during metal-hydride phase transformation of Mg films doped with transition
Xinran Zhang, Steven Hudson, Dean DeLongchamp, David J. Gundlach
Organic electronic materials are desired for low-cost printed circuits. As expected, the microstructure of these materials is crucial for their performance
Joe Chalfoun, Antonio Cardone, Alden A. Dima, Michael Halter, Daniel P. Allen
In order to facilitate the extraction of quantitative data from live cell image sets, automated image analysis methods are needed. This paper presents an
Interoperability is the ability of systems or software applications to communicate with each other. Interoperability testing verifies that systems can work
Guodong Shao, Nils E. Bengtsson, Bjoern J. Johansson
Sustainability has become a very significant research topic, it impacts many different manufacturing industries. To achieve sustainable manufacturing, designing
Donald L. Hunston, Kar T. Tan, Bryan D. Vogt, Sushil K. Satija, Cyril Clerici, David E. White
The ability of water to dramatically weaken many types of adhesive bonds has been widely studied. One surprising result is the existence of a critical moisture
Kar T. Tan, Christopher C. White, Donald L. Hunston, Kristen L. Steffens, Hatlee Timothy, Kristen Hamilton, Vogt D. Bryan
Adhesion loss due to moisture is a fundamental problem in a large diversity of industries ranging from microelectronics and automotive to aerospace. This study
The long-term performance and stability of composites made from renewable feedstocks will be strongly dependent on the inherent viscoelastic relaxation
Although existing techniques can measure the viscoelastic properties of bulk polymers, few are available for measuring these properties in polymer thin films
John A. Howarter, Edwin Chan, Christopher Stafford
Microstructural and hierarchical patterns are able to enhance the fracture toughness of adhesive interfaces. This phenomenon has been observed naturally in the
The performance of intelligent unmanned systems (UMS) must be able to be measured to ensure that they can meet the operational requirements. A generic framework
Ram D. Sriram, Albert W. Jones, Mahesh Mani, Sudarsan Rachuri, Eswaran Subrahmanian
The early part of this millennium has witnessed the emergence of an Internet-based engineering marketplace. Here, engineers, designers, and manufacturers from
The manufacturing industry is facing the challenge of measuring sustainability performance in a product s life cycle. Developing metrics for sustainable