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Search Publications

NIST Authors in Bold

Displaying 326 - 350 of 1456

Elastic constants and internal friction of martensitic steel, ferritic-pearlitic steel, and a-iron

April 15, 2007
Author(s)
Sudook A. Kim, Ward L. Johnson
… of induction hardened and unhardened SAE 1050 plain-carbon steel were determined by acoustic resonance spectroscopy. The … and analysis on monocrystalline α-iron were performed. The steel was found to be only slightly anisotropic, and the … Elastic constants and internal friction of martensitic steel, ferritic-pearlitic steel, and a-iron …

Mechanical Metallurgy on Columbia Gas X100 Experimental Pipe

August 28, 2024
Author(s)
Dash Weeks, Ryan White, Jake Benzing, Enrico Lucon, Nicholas Derimow, Ashley Kroon, Robert Smith
… evaluates the material properties of an X100 pipeline steel extracted from an experimental transmission pipeline … purpose is to compare these properties with current X100 steel standards. Comprehensive chemical characterization, … to seam welds. While most sections of the vintage X100 steel met the modern tensile property requirements, several …

Twin-related grain boundary engineering of additively manufactured 316L stainless steel

December 1, 2025
Author(s)
Chenglu Tang, Jingfan Yang, Fan Zhang, Joseph Aroh, Ernest Porterfield, Barton Prorok, Xiaoyuan Lou
… a complete twin-related GBE for AM 316L stainless steel (SS) has not yet been achieved. In this study, we … manufacturing, grain boundary engineering, stainless steel, phase transformation, high-speed X-ray diffraction … engineering of additively manufactured 316L stainless steel …

Assessing girth weld quality of pipeline steels and their susceptibility to hydrogen embrittlement

June 16, 2024
Author(s)
Zack Buck, Newell Moser, May Ling Martin, Nicholas Derimow, Damian Lauria, Enrico Lucon, Douglas Stalheim, Peter Bradley, Matthew Connolly
… Therefore, understanding the susceptibility of these steels to hydrogen embrittlement and the effect of various … in air and in hydrogen of girth welds used in pipeline steels. Fracture toughness was found to be significantly … Assessing girth weld quality of pipeline steels and their susceptibility to hydrogen embrittlement …

The Effect of Irradiation Wavelength Bandwidth and Spot Size on the Scraping Depth and Temperature Rise in Composite Exposed to an Argon Laser or a Conventional Quartz-Tungsten-Halogen Source

May 1, 2002
Author(s)
R D. Pradhan, N Melikechi, F Eichmiller
… in a resin composite for both an argon laser and a quartz-tungsten-halogen lamp.Methods: Using bandpass filters the spectral outputs of an argon laser and a quartz-tungsten-halogen lamp were restricted to pass selected … Exposed to an Argon Laser or a Conventional Quartz-Tungsten-Halogen Source …

The Flawed-Cylinder Burst Test

October 16, 2008
Author(s)
J H. Smith
… is a test method to evaluate the fracture performance of steel cylinders that are used to transport high pressure … and the criteria for acceptable fracture performance of steel cylinders are given in the ISO Standard ISO 9809:1999 … burst tests that were conducted on seamless steel cylinders that ranged in tensile strength from less …

Effects of Al-Si Coating and Zn Coating on the Hydrogen Uptake and Embrittlement of Ultra-High Strength Press-Hardened Steel

September 25, 2019
Author(s)
Kyoung Rae Jo, Lawrence Cho, Dimas H. Sulistiyo, Eun Jung Seo, Seong Woo Kim, Bruno C. De Cooman
… Press-hardened steel (PHS), used for automotive safety-related structure … Zn coating, Al-Si coating, press-hardened steel, martensite, hydrogen embrittlement, hot press forming. … and Embrittlement of Ultra-High Strength Press-Hardened Steel …

The role of metallurgy in the NIST investigation of the world trade center towers collapse

November 1, 2007
Author(s)
Stephen W. Banovic, Timothy J. Foecke, William E. Luecke, Joseph D. McColskey, Christopher N. McCowan, Thomas A. Siewert, Frank W. Gayle
… pursued three objectives: assess the quality of the steel used in the construction of the towers, determine mechanical properties of the steel for input to the finite element models of the building … and assess the failure mechanisms of the recovered steel components. This article describes the major findings …

Hydrogen Isotope Effect in Embrittlement and Fatigue Crack Growth of Steel

March 7, 2019
Author(s)
Matthew J. Connolly, Andrew J. Slifka, Robert L. Amaro, Elizabeth S. Drexler, May L. Martin
… The corrosive effect of hydrogen on steel is a long-standing problem. Corrosion in the presence … hydrogen isotopes, interaction of hydrogen isotopes with steel structures are of interest as a tool to study the role … In this paper, we present tensile and fatigue data for steel specimens measured in air, in hydrogen, and in …

Experiments and Modeling of Structural Steel Elements Exposed to Fire. Federal Building and Fire Safety Investigation of the World Trade Center Disaster (NIST NCSTAR 1-5B)

September 1, 2005
Author(s)
Anthony P. Hamins, Alexander Maranghides, Kevin B. McGrattan, Erik L. Johnsson, Thomas J. Ohlemiller, Michelle K. Donnelly, Jiann C. Yang, George W. Mulholland, Kuldeep R. Prasad, S R. Kukuck, Robert Anleitner, Therese P. McAllister
… model predicts the temperature rise of structural steel components in a burning compartment. The experiments … fire investigations, terrorists, terrorism, experiments, steel structures, fire models, velocity measurements, heat … Experiments and Modeling of Structural Steel Elements Exposed to Fire. Federal Building and Fire …

Strength and Ductility of Concrete Beams Reinforced with Carbon Fiber-Reinforced Polymer Plates and Steel

January 1, 2004
Author(s)
Dat Duthinh, M A. Starnes
… Seven concrete beams reinforced internally with steel and externally with carbon fiber-reinforced polymers … effective for flexural strengthening. As the amount of steel increases, the additional strength provided by the … decreases. Compared to a beam reinforced heavily with steel only, beams reinforced with both steel and carbon have …

Fatigue Crack Growth Modeling of Pipeline Steels in High Pressure Gaseous Hydrogen

October 21, 2013
Author(s)
Robert L. Amaro, Elizabeth S. Drexler, Andrew J. Slifka
… on the fatigue and fracture properties of pipeline steels is lacking. Furthermore, engineering tools for design and lifetime prediction of pipeline steels in gaseous hydrogen are yet to be developed and … model for fatigue crack growth is presented for pipeline steels in high-pressure gaseous hydrogen. The semi-empirical …

Fatigue Crack Growth Rates in Pipeline Steels Using Curved M(T) Specimens

October 23, 2007
Author(s)
Philippe P. Darcis, John M. Treinen, Joseph D. McColskey
… fatigue data for two different ferrite-pearlite pipeline steels. A fatigue crack growth test for full thickness curved … effects on the fatigue crack growth results. The two steels showed similar fatigue crack growth rate (da/dN) … Fatigue Crack Growth Rates in Pipeline Steels Using Curved M(T) Specimens …

Detectability of Slow Crack Growth in Bridge Seels by Acoustic Emission

December 1, 1998
Author(s)
Marvin A. Hamstad, Joseph D. McColskey
… crack acoustic emission signal. The results from A514 steel and 2024 aluminum were exceptions. The A514 steel had 20 crack acoustic emission events over eight … or two cycles were required for a valid event from A514 steel and 2024 aluminum. The other steels required 18 to 130 …

Buckling of steel gusset plates

Author(s)
Chiara Crosti, Dat Duthinh
… the capacity of these plates on non-load-path-redundant steel truss bridges be verified. The intent of the guidelines … of this paper is to examine the buckling behavior of steel gusset plates in greater detail, accounting for … Buckling of steel gusset plates …

Second-Order Effects on Wind-Induced Structural Behavior of High-Rise Steel Buildings

December 8, 2017
Author(s)
Sejun Park, Donghun Yeo
… structural dynamic behavior of a 60-story high-rise steel structure known as the CAARC building model. These … index (DCI), Geometric stiffness approach, High-rise steel structures, P-Δ effects, Wind effects … Effects on Wind-Induced Structural Behavior of High-Rise Steel Buildings …

Determining Steel Weld Qualification and Performance for Hydrogen Pipelines

March 17, 2023
Author(s)
Matthew Connolly, Andrew Slifka, Damian Lauria, Peter Bradley, May Ling Martin, Zack Buck, Newell Moser, Robert Amaro, Chris Looney
… Determining Steel Weld Qualification and Performance for Hydrogen … Determining Steel Weld Qualification and Performance for Hydrogen …

Experiments and Modeling of Structural Steel Elements Exposed to a Fire. Federal Building and Fire Safety Investigation of the World Trade Center Disaster (NIST NCSTAR 1-5B) ***DRAFT for Public Comments***

September 1, 2005
Author(s)
Anthony P. Hamins, Alexander Maranghides, Kevin B. McGrattan, Erik L. Johnsson, Thomas J. Ohlemiller, Michelle K. Donnelly, Jiann C. Yang, George W. Mulholland, Kuldeep R. Prasad, S R. Kukuck, Robert Anleitner, Therese P. McAllister
… model predicts the temperature rise of structural steel components in a burning compartment. The experiments … fire research, fire safety, fire science, steel structures, steels, computational fluid dynamics, … Experiments and Modeling of Structural Steel Elements Exposed to a Fire. Federal Building and Fire …

Metallurgy of the RMS Titanic

February 1, 1998
Author(s)
Timothy J. Foecke
… Metallurgical and mechanical analyses were performed on steel and rivet samples recovered from the wreck of the RMS Titanic. It was found that the steel possessed a ductile-to-brittle transition temperature that was very high for this type of steel, making the material brittle at ice water temperatures. …

Operating Hydrogen Gas Transmission Pipelines at Pressures above 21 MPa

November 12, 2018
Author(s)
Andrew Slifka, Elizabeth S. Drexler, Robert L. Amaro, Peter Bradley, Damian Lauria
… pipelines for hydrogen service by allowing high- strength steel that will provide the same margin of safety with thinner pipe walls. Less steel directly impacts the cost of materials and welding. A … ASME B31.12, Code, Hydrogen, Pipeline, Steel …
Displaying 326 - 350 of 1456
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