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Compressive Stress-Strain Curves for Wrought and AM Precipitation-Hardenable Stainless Steel at Dynamic Strain Rates at Room Temperature and with Rapid Heating and at Low Strain Rates at Room Temperature
Data provided by National Institute of Standards and Technology
This dataset contains compressive stress-strain data (strain, stress and strain rate curves and initial temperatures) for compression experiments performed on wrought and AM 17-4 precipitation-hardenable stainless steel (PH SS) using the NIST Kolsky Bar apparatus [1] and a servohydraulic test machine. The wrought data are obtained for three standard heat treatment conditions, including solutionized, H900 and H1150. Additional data are obtained for additional heat treatment times and temperatures to obtain precipitation kinetics information.
Tags: metals,mechanical properties,high heating rate,High Strain Rate,experiments,simulations,modeling,advanced manufacturing,machining
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Data for A Dual Mode Brillouin/Low-Frequency Raman Spectroscopy Microscope for Local Mechanical Property Imaging for Semiconductor Packaging Materials
Data provided by National Institute of Standards and Technology
The processed spectroscopic and experimental conditions (as applicable) data which are used to construct each figure is provided.
Tags: Brillouin light scattering spectroscopy,low-frequency Raman spectroscopy,microscopy,in situ,kinetics,mechanical properties,packaging polymers
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Dataset for Radio-Frequency Fingerprinting Millimeter-Wave Commercial Off-the-Shelf Cellular User Equipment
Data provided by National Institute of Standards and Technology
This data is associated with the manuscript titled Radio-Frequency Fingerprinting Millimeter-Wave Commercial Off-the-Shelf Cellular User Equipment. The abstract of this manuscript is: We present a measurement test bed and algorithm for non-destructive, millimeter wave over-the-air fingerprinting of commercial off-the-shelf cellular user equipment (UE) at the model level. This test bed has been configured to repeatably collect radiated fields from UEs in a 5G mmWave scenario.
Tags: metrology for wireless systems; milimeter-wave wireless device; modulated signals; over-the-air; wireless systems; milimeter-wave metrology;
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Data to accompany the paper entitled "Compressed Liquid (p-rho-T) Measurements of trans-1,2-Dichloroethene [R1130(E)]"
Data provided by National Institute of Standards and Technology
Data to accompany the paper "Compressed Liquid (p-rho-T) Measurements of trans-1,2-Dichloroethene [R-1130(E)]" published in International Journal of Thermophysics. Included are experimental density data for the refrigerant R-1130(E) presented in Table 2 of the above manuscript. Also included are the combined expanded (95% confidence level) uncertainties. Measurements were made using a vibrating-tube densimeter. Details regarding the experimental methods and uncertainty analysis can be found in the manuscript.
Tags: density,hydrochloroolefins,refrigerants,vibrating-tube densimeter
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AMB2025-03 High-Cycle Rotating Bending Fatigue Tests of PBF-L Ti-6Al-4V
Data provided by National Institute of Standards and Technology
Specimens from one build of laser powder bed fusion (PBF-L) titanium alloy (Ti-6Al-4V) were split equally into two heat treatment conditions. The first condition is a non-standard hot isostatic pressing (HIP) heat treatment (800 °C, 2 h, argon pressure of 200 MPa, approximately 12 °C/min cooling rate), which will be referred to as 800HIP. The second condition is the same heat treatment but in a vacuum furnace with a partial pressure of argon (75 mTorr), and will be referred to as 800VAC.
Tags: additive manufacturing,3D printing,titanium,Ti-6Al-4V,powder bed fusion,Laser Powder Bed Fusion
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AMB2025-02 Macroscale Quasi-Static Tensile Tests of PBF-L IN718
Data provided by National Institute of Standards and Technology
This challenge is a follow-on from AMB2022-01 laser powder bed fusion (PBF-LB) alloy Inconel 718 in the as-built condition (no heat treatment). Eight continuum-but-miniature tensile specimens were excised from the same size legs (2.5 mm width) of one original AMB2022-01 specimen (AMB2022-718-AMMT-B7-P4). Excised tensile specimens were quasi-static uniaxially tensile tested according to ASTM E8 (strain rate 1*10-3 sec-1, 3 mm gauge length custom contact extensometer).
Tags: additive manufacturing,3D printing,inconel,nickel superalloy,718,powder bed fusion,Laser Powder Bed Fusion
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Source: https://doi.org/10.18434/mds2-3735
Gateway for Co-Simulation using ns-3
Data provided by National Institute of Standards and Technology
The Internet of Things (IoT) is comprised of networks of physical, computational, and human components that coordinate to fulfill time-sensitive functions in a shared operating environment. Development and testing of IoT systems often utilizes modeling and simulation, whether to analyze potential performance gains of new technologies or develop robust digital twins to support future operations and maintenance.
Tags: automated vehicles,co-simulation,cyber-physical systems,internet of things,network simulation,ns-3,software
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Source: https://github.com/usnistgov/ns3-cosim
Forensic DNA Open Dataset
Data provided by National Institute of Standards and Technology
This dataset consists of single source and mixture samples which were genotyped/sequenced with kits targeting Forensic DNA markers.
Tags: forensic,DNA,sequence,Capillary Electrophoresis,STR,SNP,mtDNA
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Radio Frequency Interference Measurements of Industrial Machinery
Data provided by National Institute of Standards and Technology
The 2.4 GHz ISM band is shared by Wi-Fi, Bluetooth, Wireless HART, ISA100.11a, and several other industrial wireless systems. Our dataset contains comprehensive electromagnetic interference (EMI) measurements from machinery taken in various industrial environments. The measurements were taken at two frequencies: 900 MHz, 2.4 GHz.
Tags: electromagnetic interference (EMI),radio frequency interference (RFI),industrial wireless,wireless,5G,Wi-Fi,IEEE 802.11,industrial control
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Evaluating Contaminant Effects and Blend Ratios on the Alkaline Hydrolysis of PET Textile Streams
Data provided by National Institute of Standards and Technology
The increasing amounts of discarded textiles represent a potentially valuable resource that could be reclaimed. This work underscores the significance of advancing chemical recycling techniques for multi-component fabrics under mild reaction conditions. We present a method for nondestructive recovery of cotton (C), elastane, and nylon from polyester (polyethylene terephthalate (P)) textile blends through alkaline hydrolysis, supported with a phase-transfer catalyst.
Tags: Chemical recycling,textiles,polyethylene terephthalate,depolymerization,cotton,elastomeric fibers,blended textiles,contaminants,garments
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