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Gaithersburg

TRIPLE AXIS

NSF: Triple Axis Spectrometer ( TAS) The schematic shown above illustrates the use of NSFs on the BT-7, triple axis spectrometer. In this...

CHAL-AMB2018-02-MP-Length

Results Description for CHAL-AMB2018-02-MP: Melt Pool Geometry - Length 1. Overview of Results The following tables and associated links...

CHAL-AMB2018-02-CR

Results Description for CHAL-AMB2018-02-CR: Cooling Rate of Solidifying Material 1. Overview of Results The following tables and associated...

Benchmark Test Data

Some of the AM Bench data links are de-activated as the data management systems are upgraded to be more compatible with the AM Bench 2022...

NCSTAC May 16 2018 Presentations

Presentation 1: Overview of Preliminary Observations and Investigation Goals​​​​​​​ Presentation 2: Preliminary Project Plan for...

NG7 30m SANS

NSF: Small Angle Neutron Scattering ( NG7 30m SANS) Neutron spin filters can be applied to measurements requiring different field...

MAGIK

NSF: MAGIK Offspecular Reflectometer ( MAGIK) Neutron spin filters can be applied to measurements requiring different field orientations...

CHRNS MACS

NSF: Multi-Axis Crystal Spectrometer ( MACS) Detailed Polarized Beam Capability The schematic shown above illustrates the application of 3He...

Ampere: The Future

Compared with the old definition, the new definition of the ampere is refreshingly straightforward. But if you’re not a measurement...

CHRNS CANDOR

NSF: Chromatic Analysis Neutron Diffractometer Or Reflectometer ( CANDOR) Neutron spin filters can be applied to both specular and off...

Ampere: The Present

Despite the considerable problems inherent in the former official definition of the ampere, the unit could be measured with uncertainties...

Ampere: History

The story of the ampere began when a Danish physicist named Hans Christian Ørsted discovered that magnetism and electricity were two aspects...

Ampere: Introduction

The ampere (A), the SI base unit of electric current, is a familiar and indispensable quantity in everyday life. It is used to specify the...

Kelvin: Boltzmann Constant

The Boltzmann constant (k B) relates temperature to energy. It is an indispensable tool in thermodynamics, the study of heat and its...

Kelvin: Future Realization

Although the kelvin is now defined in an entirely new way, the redefinition has little immediate practical consequence for how the unit is...

Kelvin: ITS-90

The triple point of water is a convenient reference point, but it is only one point — albeit the one that provided the old definition of the...

Kelvin: Thermodynamic Temperature

In everyday life, we usually think of temperature in terms of comparisons: How hot or cold something is relative to some physical property...

Kelvin: Present Realization

Realizing an SI unit — that is, converting its formal definition into concrete reality — requires following a specific set of methods and...

Kelvin: History

The kelvin is the fundamental unit of temperature. But it came at the end of a journey that began long before thermometers even existed. The...

Kelvin: Introduction

Temperature is one of the most important and ubiquitous measurements in human life. For centuries, we have continuously improved on the...

Publications

Journal Publications Marvel, Jeremy A., and Roger Bostelman. "Test Methods for the Evaluation of Manufacturing Mobile Manipulator...
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