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Publications

Search Publications by Enrico Lucon

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Displaying 1 - 25 of 53

NIST Software Package for Obtaining Charpy Transition Curves

May 11, 2021
Author(s)
Enrico Lucon, Jolene Splett, Amanda Koepke, David Newton
NIST has developed a software package that allows users to fit test results obtained from Charpy or toughness tests as a function of test temperature, thereby obtaining so-called transition curves. Non-linear fitting is available for five regression models

Metrological Tools for the Reference Materials and Reference Instruments of the NIST Material Measurement Laboratory

July 15, 2020
Author(s)
Carlos R. Beauchamp, Johanna Camara, Jennifer Carney, Steven J. Choquette, Kenneth D. Cole, Paul C. DeRose, David L. Duewer, Michael S. Epstein, Margaret C. Kline, Katrice A. Lippa, Enrico Lucon, Karen W. Phinney, Maria Polakoski, Antonio M. Possolo, Katherine E. Sharpless, John R. Sieber, Blaza Toman, Michael R. Winchester, Donald A. Windover
The National Institute of Standards and Technology (NIST), formerly the National Bureau of Standards, was established by the U.S. Congress in 1901 and charged with establishing a measurement foundation to facilitate U.S. and international commerce. NIST

Influence of Machine Anvil Wear on Charpy Test Results

May 12, 2020
Author(s)
Enrico Lucon, Raymond L. Santoyo
We investigated the influence of the state of wear of Charpy machine anvils on test results by performing impact tests on NIST specimens of three energy levels with a machine equipped with new anvils (compliant with both ASTM E23 [1] and ISO 148-2 [2]) and

Development and Validation of Small Punch Testing at NIST

April 16, 2020
Author(s)
Enrico Lucon, Jake T. Benzing, Nikolas W. Hrabe
Small Punch (SP) testing is a methodology that uses tiny disks (generally 8 mm in diameter and 0.5 mm thick) to estimate mechanical properties of metallic materials, such as tensile properties, fracture toughness, and ductile-to-brittle transition

NIST Instrumented Charpy Analysis Software (NICAS) – User’s Manual

April 15, 2020
Author(s)
Damian S. Lauria, Enrico Lucon
The NIST Instrumented Charpy Analysis Software (NICAS) is a standalone LabVIEW program that can be used to analyze instrumented impact tests in accordance with the following international test standards: ASTM E2298-18 [1] and ISO 14556:2015 [2]. It is also

Design Considerations to Improve Charpy Instrumented Strikers

March 16, 2020
Author(s)
Nicholas Vlajic, Akobuije Chijioke, Enrico Lucon
Instrumented impact testing allows the applicability of conventional Charpy tests to be extended toward assessing mechanical properties such as dynamic fracture toughness and dynamic tensile properties. In this work, we present design considerations for

Investigations on SI-Traceable Dynamic Calibration of Instrumented Charpy Strikers

May 14, 2018
Author(s)
Akobuije D. Chijioke, Nicholas A. Vlajic, Enrico Lucon, Edward C. Mulhern
In this Technical Note, we report on investigations toward an SI-traceable dynamic calibration of instrumented Charpy strikers, performed at NIST from January to December 2017. Although Charpy tests are few-millisecond-duration events in which dynamic

Instrumented impact testing of miniaturized Charpy specimens of AM Ti-6Al-4V

April 11, 2018
Author(s)
Enrico Lucon, Nikolas W. Hrabe
An investigation on the impact toughness properties of wrought and additively-manufactured (AM) Ti 6Al 4V was conducted at NIST Boulder, by means of instrumented impact tests on miniaturized Charpy specimens. Full transition curves for absorbed energy and

Instrumented impact testing of miniaturized Charpy specimens of AM Ti 6Al 4V

November 16, 2017
Author(s)
Enrico Lucon, Nikolas W. Hrabe
An investigation on the impact toughness properties of wrought and additively-manufactured (AM) Ti 6Al 4V was conducted at NIST Boulder, by means of instrumented impact tests on miniaturized Charpy specimens. Full transition curves for absorbed energy and