Search Results - "Luecke, W. E."

Experimental and numerical study of mechanical properties of multi-phase medium-Mn TWIP-TRIP steel: Influences of strain rate and phase constituents by Benzing, J.T., Liu, Y., Zhang, X., Luecke, W.E., Ponge, D., Dutta, A., Oskay, C., Raabe, D., Wittig, J.E.

“…In the current work we investigate the room temperature tensile properties of a medium-Mn twinning- and transformation-induced plasticity (TWIP-TRIP) steel…”
Get full text

Effect of temperature, strain rate and grain size on the mechanical response of Ti3SiC2 in tension by RADOVIC, M, BARSOUM, M. W, EL-RAGHY, T, WIEDERHORN, S. M, LUECKE, W. E

Get full text

Intercritical annealing to achieve a positive strain-rate sensitivity of mechanical properties and suppression of macroscopic plastic instabilities in multi-phase medium-Mn steels by Benzing, J.T., Luecke, W.E., Mates, S.P., Ponge, D., Raabe, D., Wittig, J.E.

“…This study investigates the high strain-rate tensile properties of a cold-rolled medium-Mn steel (Fe–12Mn–3Al-0.05C % in mass fraction) designed to have a…”
Get full text

A New Model for Tensile Creep of Silicon Nitride by Luecke, William E., Wiederhorn, Sheldon M.

“…The tensile creep rate of most commercial grades of Si3N4 increases strongly with stress. Although the usual power‐law functions can represent the creep data,…”
Get full text

Instrumented indentation and ultrasonic velocity techniques for the evaluation of creep cavitation in silicon nitride by LOFAJ, F, SMITH, D. T, BLESSING, G. V, LUECKE, W. E, WIEDERHORN, S. M

“…Instrumented indentation and ultrasonic wave velocity techniques combined with precise density change measurements and transmission electron microscopy (TEM)…”
Get full text

High-temperature properties of liquid-phase-sintered α-SiC by Jensen, Robert P., Luecke, William E., Padture, Nitin P., Wiederhorn, Sheldon M.

“…We have characterized the high-temperature subcritical crack growth and oxidation resistance of a liquid-phase-sintered (LPS) SiC with 20% volume fraction…”
Get full text

Tensile Creep and Rupture of Silicon Nitride by Jr. Krause, Ralph F., Luecke, William E., French, Jonathan D., Hockey, Bernard J., Wiederhorn, Sheldon M.

“…We have characterized the tensile creep, rupture lifetime, and cavitation behavior of a commercial, gas‐pressure‐sintered silicon nitride in the temperature…”
Get full text

Interlaboratory Verification of Silicon Nitride Tensile Creep Properties by Luecke, William E., Wiederhorn, Sheldon M.

“…Five laboratories tested NIST‐supplied, pin‐loaded, 76‐mm‐long tensile creep specimens at 1400°C under a 150 MPa load using flag‐based, laser extensometry. The…”
Get full text

The role of metallurgy in the NIST investigation of the World Trade Center towers collapse by Banovic, S. W., Foecke, T., Luecke, W. E., McColskey, J. D., McCowan, C. N., Siewert, T. A., Gayle, F. W.

“…The sequences of events leading to collapse initiation were similar, but not identical, for each tower. Four major structural events were common to both…”
Get full text

Comparison of Tensile and Compressive Creep Behavior in Silicon Nitride by Yoon, Kyung Jin, Wiederhorn, Sheldon M., Luecke, William E.

“…The creep behavior of a commercial grade of Si3N4 was studied at 1350° and 1400°C. Stresses ranged from 10 to 200 MPa in tension and from 30 to 300 MPa in…”
Get full text

Results of an International Round-Robin for Tensile Creep Rupture of Silicon Nitride by Luecke, William E.

“…Fourteen laboratories participated in an interlaboratory study to establish the within‐ and between‐laboratory repeatability of tensile creep rupture of…”
Get full text

Creep of Lanthanum Gallate by Luecke, William E., Armstrong, Timothy R.

“…Strontium- and magnesium-doped lanthanum gallate (LSGM) was deliberately prepared to give A-site deficient nonstoichiometry with compositions…”
Get full text

Influence of Grain Size on the Tensile Creep Behavior of Ytterbium-Containing Silicon Nitride by Wiederhorn, Sheldon M., de Arellano Lopez, Antonio R., Luecke, William E., Hoffmann, Michael J., Hockey, Bernard J., French, Jonathan D., Yoon, Kyung Jin

“…The effect of grain size on the tensile creep of silicon nitride was investigated on two materials, one containing 5% by volume Yb2O3, the other containing 5%…”
Get full text

Thickness Alteration of Grain-Boundary Amorphous Films during Creep of a Multiphase Silicon Nitride Ceramic by Jin, Qiang, Wilkinson, David S., Weatherly, George C., Luecke, William E., Wiederhorn, Sheldon M.

“…Experimental observations of the creep response of a commercial sintered silicon nitride ceramic are presented. The stable microstructure of this material at…”
Get full text

The Role of Metallury in the NIST Investigation of the World Trade Center Towers Collapse by Banovic, S W, Foecke, T, Luecke, W E, McColskey, J D, McCowan, C N, Siewert, T A, Gayle, F W

“…On August 21, 2002, on the direction of the U.S. Congress, the National Institute of Standards and Technology (NIST) initiated an investigation into the…”
Get full text

Effect of temperature, strain rate and grain size on the mechanical response of Ti sub 3 SiC sub 2 in tension by Radovic, M, Barsoum, M W, El-Raghy, T, Wiederhorn, S M, Luecke, W E

“…Tensile, relaxation and cycling loading-unloading tests indicate that the mechanical response of Ti sub 3 SiC sub 2 has a strong dependence on temperature and…”
Get full text