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Author: william luecke

Displaying records 11 to 20 of 34 records.
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11. Physical Properties of Structural Steels. Federal Building and Fire Safety Investigation of the World Trade Center Disaster (NIST NCSTAR 1-3E)
Series: National Construction Safety Team Act Reports (NIST NCSTAR)
Report Number: 1-3
Published: 12/1/2005
Authors: Stephen W Banovic, Christopher N McCowan, William E Luecke
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=101022

12. Contemporaneous Structural Steel Specifications. Federal Building and Fire Safety Investigation of the World Trade Center Disaster (NIST NCSTAR 1-3A) ***DRAFT for Public Comments***
Series: National Construction Safety Team Act Reports (NIST NCSTAR)
Report Number: 1-3
Published: 9/1/2005
Authors: William E Luecke, Thomas Allen Siewert, Frank W Gayle
Abstract: This report reviews the contemporaneous (1960s era) steel and welding standards used to construct the 110-story World Trade Center (WTC) towers. It describes the major structural elements in the towers and the many grades of steels relevant to the WT ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=909040

13. 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***
Series: National Construction Safety Team Act Reports (NIST NCSTAR)
Report Number: 1-3
Published: 9/1/2005
Authors: William E Luecke, Joseph David McColskey, Christopher N McCowan, Stephen W Banovic, Richard Joel Fields, Timothy J Foecke, Thomas Allen Siewert, Frank W Gayle
Abstract: This report provides five types of mechanical properties for steels from the World Trade Center (WTC): elastic, room-temperature tensile, room-temperature high strain rate, impact, and elevated-temperature tensile. Specimens of 29 different steels re ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=909059

14. Mechanical and Metallurgical Analysis of Structural Steel. Federal Building and Fire Safety Investigation of the World Trade Center Disaster (NIST NCSTAR 1-3) ***DRAFT for Public Comments***
Series: National Construction Safety Team Act Reports (NIST NCSTAR)
Report Number: 1-3
Published: 9/1/2005
Authors: Frank W Gayle, Richard Joel Fields, William E Luecke, Stephen W Banovic, Timothy J Foecke, Christopher N McCowan, Joseph David McColskey, Thomas Allen Siewert
Abstract: This report is an overview of the results of the mechanical and metallurgical analysis of structural steel from the World Trade Center (WTC), part of the National institute of Standards and Technology Investigation of the WTC disaster of September 11 ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=909061

15. 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***
Series: National Construction Safety Team Act Reports (NIST NCSTAR)
Report Number: 1-3
Published: 9/1/2005
Authors: Stephen W Banovic, Christopher N McCowan, William E Luecke
Abstract: This report describes the physical properties of the structural steel recovered from the World Trade Center (WTC) towers. Analytical techniques were used to determine and evaluate the chemistry, microstructure, and thermal properties of the steels. W ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=909067

16. FORENSIC STUDY OF THE STEEL IN THE WORLD TRADE CENTER
Published: 12/30/2004
Authors: Thomas Allen Siewert, Joseph David McColskey, Christopher N McCowan, Frank W Gayle, William E Luecke, Stephen W Banovic, Timothy J Foecke, Richard Joel Fields
Abstract: In September of 2002, the National Institute of Standards and Technology began a two-year investigation into the World Trade Center (WTC) disaster of September 11, 2001. Now almost complete, the investigation addresses many aspects of the catastrophe ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=30059

17. The Structural Steel of the World Trade Center Towers
Published: 10/1/2004
Authors: Frank W Gayle, Stephen W Banovic, Timothy J Foecke, Richard Joel Fields, William E Luecke, Joseph David McColskey, Thomas Allen Siewert, Christopher N McCowan
Abstract: In September 2002, the National Institute of Standards and Technology became the lead agency in an investigation of the World Trade Center (WTC) disaster of September 11, 2001. The investigation addresses many aspects of the catastrophe, from occupa ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=853353

18. Influence of Grain Size on the Tensile Creep Behavior of Ytterbium-Containing Silicon Nitride
Published: 3/1/2004
Authors: Sheldon Martin Wiederhorn, A R D Lopez, William E Luecke, Michael J Hoffmann, B Hockey, J French, D C Yoon
Abstract: The effect of grain size on the tensile creep of silicon nitride is investigated on two materials, one containing 5 % by volume Yb2O3, the other containing 5 % by volume Yb203 and 0.5 % by mass Al2O3. Annealing of the alumina-free silicon nitride in ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=850057

19. Instrumented Indentation and Ultrasonic Velocity Techniques for the Evaluation of Creep Cavitation in Silicon Nitride
Published: 1/1/2003
Authors: F Lofaj, Douglas T Smith, Gerald V. Blessing, William E Luecke, Sheldon Martin Wiederhorn
Abstract: Instrumented indentation and ultrasonic wave velocity techniques combined with precise density change measurements and transmission electron microscopy (TEM) were used to investigate the changes of elastic moduli in silicon nitride after tensile defo ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=850099

20. Effect of Temperature, Strain Rate, and Grain Size on the Mechanical Response of Ti^d3^SiC^d2^ in Tension
Published: 4/1/2002
Authors: M Radovic, M W Barsoum, T El-Raghy, Sheldon Martin Wiederhorn, William E Luecke
Abstract: Results of tensile tests at constant cross head displacement rates, relaxation tests and cycling loading-unloading tests indicate that the mechanical response of Ti^d3^SiC^d2^ is a strong function of temperature, strain rate and grain size. Loading ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=850062