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Displaying 201 - 225 of 1456

Tensile Tests at 77 K and 4 K on 316L Stainless Steel Welded Plates

July 19, 2022
Author(s)
Dash Weeks, Nicholas Derimow, Jake Benzing
… extracted from the centers of four welded 316L stainless steel plates, each produced by a different vendor. Relatively … 316L stainless steel, welding, tensile properties, liquid nitrogen, liquid … Tensile Tests at 77 K and 4 K on 316L Stainless Steel Welded Plates …

Impact Characterization of 4340 and T200 Steels by Means of Standard, Sub Size and Miniaturized Charpy Specimens

February 10, 2015
Author(s)
Enrico Lucon, Christopher N. McCowan, Raymond L. Santoyo
… in order to characterize the impact properties of three steels, used by NIST for the production of Charpy reference … levels, and T200 18Ni maraging steel). For each of the steels, tests were performed on standard E23 Charpy … tests, miniaturized Charpy specimens, NIST reference steels, size-normalization, sub- size Charpy specimens, shear …

THE EFFECT OF MICROSTRUCTURE ON THE HYDROGEN-ASSISTED FATIGUE OF PIPELINE STEELS

July 14, 2013
Author(s)
Andrew J. Slifka, Elizabeth S. Drexler, Robert L. Amaro, Damian S. Lauria, April Stevenson, Douglas G. Stalheim, Louis E. Hayden
… fatigue crack growth rate were conducted on four pipeline steels, two of grade API 5L- X52 and two API 5L-X70. One X52 … ON THE HYDROGEN-ASSISTED FATIGUE OF PIPELINE STEELS …

Simulating the fire-thermal-structural behavior in a localized fire test on a bare steel beam

May 15, 2018
Author(s)
Chao Zhang, Lisa Y. Choe, John L. Gross
… design practice may include fire protection design of steel structures in large volumes. Prescriptive methods in … behaviors in two localized fire tests on a real-scale steel beam recently conducted at the National Fire Research … simulation, Localized fire test, Bare steel beam, Performance-based design, FDS-FEM Coupling method …

Resonant acoustic nonlinearity and loss in additively manufactured stainless steel

May 8, 2019
Author(s)
Ward L. Johnson, Justin G. Whiting, Felix H. Kim, Paul R. Heyliger, Nikolas W. Hrabe
… nonlinearity and loss in additively manufactured stainless steel were measured with the aim of assessing the potential … of the material was that of nominal 17-4 stainless steel. X-ray computed tomography was employed to image the … Additively manufactured materials, stainless steel, porosity, defects, nondestructive evaluation, resonant …

On the chemomechanics of bubble growth in hydrogen attack of plain carbon steels

May 2, 2025
Author(s)
May Martin, Kshitij Vijayvargia, T Nguyen, Mohsen Dadfarnia, Aleksandar Staykov, Petros Sofronis, Masanobu Kubota, John Pugh
… hydrogen attack (HTHA) is a form of degradation of carbon steels exposed to high temperature and high-pressure hydrogen … of bubble growth in hydrogen attack of plain carbon steels …

Instrumented Charpy Tests at 77 K on 316L Stainless Steel Welded Plates

December 20, 2021
Author(s)
Enrico Lucon, Jake Benzing
… extracted from the center of four 316L welded stainless steel plates, each produced by a different vendor. Although … 316L stainless steel, impact toughness, instrumented Charpy tests, liquid … Instrumented Charpy Tests at 77 K on 316L Stainless Steel Welded Plates …

Backbone Curve Variations on Steel Building Seismic Response

June 2, 2023
Author(s)
Bruce Maison, Matthew Speicher, Dimitrios Lignos
… A 4-story steel moment-frame building designed according to ASCE 7 was … seismic, earthquake, steel, ASCE 41, earthquake, building, performance-based design … Backbone Curve Variations on Steel Building Seismic Response …

ProfIles of material properties in inductlon-hardened steel determined through inversion of resonant acoustic measurements

January 3, 2005
Author(s)
Ward L. Johnson, Sudook A. Kim, S J. Norton
… measurements of resonant frequencies of induction-hardened steel shafts were used in an inverse calculation to determine … calculation, residual stress, resonance, shear constant, steel, ultrasonic … ProfIles of material properties in inductlon-hardened steel determined through inversion of resonant acoustic …

A Comparison of the Absolute Detector-Based Spectral Radiance Assignment with the Current NIST-Assigned Spectral Radiance of Tungsten Strip Lamps

September 1, 2000
Author(s)
Howard W. Yoon, Charles E. Gibson
… radiometers, was used to assign spectral radiance to tungsten-strip lamps with a prism-grating monochromator. The … of the HTBB was also determined using signal ratios to a tungsten-strip lamp calibrated using a scale derived from the … with the Current NIST-Assigned Spectral Radiance of Tungsten Strip Lamps …

Analysis of a Steel Gravity Frame with Composite Floor System Subjected to Compartment Fire (Test #2)

October 23, 2023
Author(s)
Mohammed Morovat, Joseph Main, Jonathan Weigand, Malcolm Ammons, Fahim H. Sadek, Long Phan
… and validation of a computational modeling approach for steel gravity frames with composite floor systems subjected … full-scale compartment fire test conducted on a two-story steel gravity frame structure with a composite concrete floor slab on steel decking was used in the validation process. The …

EXPERIMENTAL STUDY ON FIRE RESISTANCE OF A FULL-SCALE COMPOSITE FLOOR ASSEMBLY IN A TWO-STORY STEEL FRAMED BUILDING

November 30, 2020
Author(s)
Lisa Y. Choe, Selvarajah Ramesh, Xu Dai, Matthew S. Hoehler, Matthew F. Bundy
… of four planned fire experiments of a full-scale two-story steel framed building constructed at the National Fire … aimed to quantify the fire resistance and behaviour of the steel composite floor system designed and constructed … Composite floors, steel buildings, fire resistance, compartment fire experiments …

Characterization of Atomized High Nitrogen Stainless Steel as a Possible Implant Material

May 1, 1999
Author(s)
Frank S. Biancaniello, Rodney D. Jiggetts, Richard E. Ricker, Stephen D. Ridder
… High Nitrogen Stainless Steel (HNSS) can simultaneously have high strength (ultimate … atomization, biocompatible, hardness, high nitrogen steel, HIP, implant material, prostheses, strength … Characterization of Atomized High Nitrogen Stainless Steel as a Possible Implant Material …

Ultimate Capacities of Low-Rise Steel Frames in Turbulent Wind

July 1, 2001
Author(s)
S Jang, L L. Lu, Fahim H. Sadek, Emil Simiu
… Wind Load Capacity Estimates for Low-Rise Steel Frames, by Jang, S., et al., intended for publication … of the estimated wind load capacities of low-rise steel building frames based on loading patterns (magnitude … element analysis, low-rise buildings, nonlinear analysis, steel structures, wind force, wind load capacity …

MEASUREMENT OF CTOA OF PIPE STEELS USING MDCB AND DWTT SPECIMENS

September 27, 2010
Author(s)
Christopher N. McCowan, S. Xu, W. R. Tyson, R. Eagleson, Elizabeth S. Drexler, J. D. McColskey, Philippe P. Darcis
… triangular crack-tip shape) was present in high-strength steels; (ii) For DWTT specimens, CTOA values measured … MEASUREMENT OF CTOA OF PIPE STEELS USING MDCB AND DWTT SPECIMENS …

Determining Steel Weld Qualification and Performance for Hydrogen Pipelines: Phase I Report

May 23, 2023
Author(s)
Matthew Connolly, May Ling Martin, Zack Buck, Newell Moser, Enrico Lucon, Damian Lauria, Peter Bradley, Andrew Slifka, Robert Amaro
… of Phase I of the DOT/PHMSA sponsored work on "Determining Steel Weld Qualification and Performance for Hydrogen … goals of Phase I were 1) to perform a literature review of steel weld qualification and performance for hydrogen … review the current codes and standards related to pipeline steel welds, 4) to review the regulatory requirements and …

Intercritical annealing to achieve a positive strain rate sensitivity of mechanical properties and suppression of plastic instabilities in multi-phase medium-Mn steels

October 29, 2020
Author(s)
Jake Benzing, William E. Luecke, Steven Mates, Dirk Ponge, Dierk Raabe, James Wittig
… (an area of improvement for many multi-phase medium-Mn steels). Also, fracture surfaces of specimens annealed for … in the context of design strategies for multi-phase steels such that maintain homogeneous deformation behavior … of plastic instabilities in multi-phase medium-Mn steels …

Physical Properties of Structural Steels. Federal Building and Fire Safety Investigation of the World Trade Center Disaster (NIST NCSTAR 1-3E) ***DRAFT for Public Comments***

September 1, 2005
Author(s)
Stephen W. Banovic, Christopher N. McCowan, William E. Luecke
… chemistry, microstructure, and thermal properties of the steels. While not a physical property, hardness of the steels was also measured and discussed in relation to … elements were from WTC 7, physical property data of steels from this building were estimated based upon values …

Mechanical Properties of Structural Steels. Federal Building and Fire Safety Investigation of the World Trade Center Disaster (NIST NCSTAR 1-3D) ***DRAFT for Public Comments***

September 1, 2005
Author(s)
William E. Luecke, Joseph D. McColskey, Christopher N. McCowan, Stephen W. Banovic, Richard J. Fields, Timothy J. Foecke, Thomas A. Siewert, Frank W. Gayle
… report provides five types of mechanical properties for steels from the World Trade Center (WTC): elastic, … elevated-temperature tensile. Specimens of 29 different steels representing the 12 identified strength levels in the … expected values. With a few exceptions, the recovered steels, bolts, and welds met the specifications they were …
Displaying 201 - 225 of 1456
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