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You searched on: Author: Enrico Lucon

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1. NIST Room Temperature Low-Energy and High Energy Verification Specimens: Feasibility Study
Series: NIST Interagency/Internal Report (NISTIR)
Published: 10/21/2015
Authors: Enrico Lucon, Christopher N McCowan, Raymond L Santoyo
Abstract: The feasibility of certifying Charpy reference specimens (SRMs) for testing at room temperature (RT, 21 °C ± 1 °C) instead of -40 °C was demonstrated at NIST by performing 130 RT tests from nine low-energy and high-energy lots on the three master mac ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=918877

2. OVERVIEW OF NIST ACTIVITIES ON SUB-SIZE AND MINIATURIZED CHARPY SPECIMENS: CORRELATIONS WITH FULL-SIZE SPECIMENS AND VERIFICATION SPECIMENS FOR SMALL-SCALE PENDULUM MACHINES
Published: 7/19/2015
Authors: Enrico Lucon, Christopher N McCowan, Raymond L Santoyo
Abstract: NIST in Boulder Colorado investigated the correlations between impact test results obtained from standard, full-size Charpy specimens (CVN) and specimens with reduced thickness (sub-size Charpy specimens, SCVN) or reduced or scaled cross-section dime ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=918008

3. Measurement of Dynamic Impact Toughness on Impact-Tested Precracked Charpy Specimens
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: 8065
Published: 6/18/2015
Author: Enrico Lucon
Abstract: The Fraunhofer Institute for Mechanics of Materials (IWM, Freiburg, Germany) and the Materials Testing Institute University of Stuttgart (MPA Stuttgart, Germany) have recently launched a joint collaboration project titled ,Dynamic Mastercurves IIŠ (M ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=918655

4. Certified KLST Miniaturized Charpy Specimens for the Indirect Verification of Small-Scale Impact Machines
Published: 4/28/2015
Authors: Enrico Lucon, Christopher N McCowan, Raymond L Santoyo, Jolene D Splett
Abstract: Small specimen test techniques are becoming ever more popular as the need increases to characterize mechanical properties by use of the smallest possible amount of material, due to various restrictions on material availability, irradiation, testing s ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=915292

5. Establishment of an International Scale for Instrumented Charpy Testing: comparison between NIST and LNE
Series: Technical Note (NIST TN)
Report Number: 1875
Published: 4/1/2015
Authors: Enrico Lucon, Christopher N McCowan, Raymond L Santoyo, Stephane Lefrancois
Abstract: As a contribution to the establishment of an international scale for instrumented Charpy testing, aimed at ensuring that impact forces are obtained more accurately, NIST and Laboratoire National de métrologie et d‰Essais (LNE, France) have partic ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=917575

6. Tensile Properties of Commercially Pure, High-Purity and Ultra-High-Purity Iron: Results of an International Round-Robin
Series: Technical Note (NIST TN)
Report Number: 1879
Published: 4/1/2015
Authors: Enrico Lucon, Kenji Abiko, Marlies Lambrecht, Birgit Rehmer
Abstract: The room temperature tensile properties of iron with different purity levels (commercially pure, high-purity, and ultra-high-purity) were characterized at different strain rates in the framework of an international Round-Robin involving four labo ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=918139

7. Determination of the compliance of NIST Charpy Impact Machines
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: 8043
Published: 2/10/2015
Author: Enrico Lucon
Abstract: The compliance of a Charpy impact machine, CM, can be measured by means of a low-blow elastic test on an unnotched Charpy-type specimen, provided an instrumented striker is used. The resulting force/time and force/displacement test records can be ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=917638

8. Impact Characterization of 4340 and T200 Steels by Means of Standard, Sub Size and Miniaturized Charpy Specimens
Series: Technical Note (NIST TN)
Report Number: 1858
Published: 2/10/2015
Authors: Enrico Lucon, Christopher N McCowan, Raymond L Santoyo
Abstract: In this investigation, we performed instrumented Charpy tests in order to characterize the impact properties of three steels, used by NIST for the production of Charpy reference specimens (4340 quenched and tempered with two energy levels, and T2 ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=917313

9. Impact Characterization of Line Pipe Steels by Means of Standard, Sub-Size and Miniaturized Charpy Specimens
Series: Technical Note (NIST TN)
Report Number: 1865
Published: 2/10/2015
Authors: Enrico Lucon, Christopher N McCowan, Raymond L Santoyo
Abstract: Modern line pipe steels are characterized by a continuously increasing ratio between ductility and mechanical strength, which makes it difficult to interpret the results of conventional Charpy impact tests. For such tests, the extremely high abso ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=917096

10. Direct Comparison of Single-Specimen Clamped SE(T) Test Methods on X100 Line Pipe Steel
Published: 9/29/2014
Authors: Timothy S Weeks, Enrico Lucon
Abstract: The clamped single edge-notched tension (SE(T)) specimen has been widely used in a single-specimen testing scheme to generate fracture resistance curves for high strength line-pipe steels. The SE(T) specimen with appropriate notch geometry is a low-c ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=916008



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