Search Results - "Foecke, T."

Transformation potential predictions for the stress-induced austenite to martensite transformation in steel by Creuziger, A., Foecke, T.

“…The stress-induced transformation behavior of retained austenite is considered in this work. With the development of transformation-induced plasticity (TRIP)…”
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Crystal plasticity analysis of constitutive behavior of 5754 aluminum sheet deformed along bi-linear strain paths by Iadicola, M.A., Hu, L., Rollett, A.D., Foecke, T.

“…► AA5754 response to combined equal-biaxial and uniaxial tensile strains is measured. ► Visco-Plastic Self-Consistent crystal plasticity simulation of texture…”
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Insights into Cruciform Sample Design by Creuziger, A., Iadicola, M. A., Foecke, T., Rust, E., Banerjee, D.

“…Four different cruciform sample designs, based on the work of Abu-Farha et al. (JOM 61:48, 2009 ) were studied. Key features of these designs are a recessed…”
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Experimental observations of evolving yield loci in biaxially strained AA5754-O by Iadicola, M.A., Foecke, T., Banovic, S.W.

“…Experimental measurement of the plastic biaxial mechanical response for an aluminum alloy (AA5754-O) sheet metal is presented. Traditional methods of…”
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Deformation and fracture in microlaminates by Was, G.S, Foecke, T

“…The utility of microlaminates in engineering applications depends ultimately on their strength and toughness. While the properties of monolithic films and…”
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Constitutive Relations for AA 5754 Based on Crystal Plasticity by Hu, L., Rollett, A. D., Iadicola, M., Foecke, T., Banovic, S.

“…Constitutive equations for the multiaxial stress-strain behavior of aluminum alloy 5754 sheets were developed, based on crystal plasticity. A Taylor-based…”
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Robustness of the sheet metal springback cup test by FOECKE, T, GNAEUPEL-HEROLD, T

“…G. Effect of Direction of Slicing with Respect to Rolling Direction Due to in-plane anisotropy of the mechanical properties of the sheet, it might be expected…”
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A method for direct measurement of multiaxial stress-strain curves in sheet metal by FOECKE, T, IADICOLA, M. A, LIN, A, BANOVIC, S. W

“…A method has been developed that allows measurement of stress-strain curves for sheet metal being deformed in multiaxial tension. The strain state is imposed…”
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Textural Development of AA 5754 Sheet Deformed under In-Plane Biaxial Tension by Banovic, S.W., Iadicola, M.A., Foecke, T.

“…Crystallographic texture evolution was quantified as a function of biaxial strain level and strain path for AA5754-O sheet metal in an effort to provide a…”
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Novel method for TEM characterization of deformation under nanoindents in nanolayered materials by Kramer, D.E., Savage, M.F., Lin, A., Foecke, T.

“…Arrays of dislocations and faults have been imaged beneath wedge nanoindents in a W/NbN nanolaminate. Dislocations generated within the W layers crossed the…”
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Evolution of strain-induced microstructure and texture in commercial aluminum sheet under balanced biaxial stretching by BANOVIC, S. W, FOECKE, T

“…The evolution of surface topography and crystallographic texture was investigated under balanced biaxial stretching in sheets of the aluminum alloy 5052-H32…”
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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…”
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Assessment of structural steel from the World Trade Center towers, part IV: Experimental techniques to assess possible exposure to high-temperature excursions by Banovic, S W, Foecke, T

“…Recovered structural steel from the World Trade Center was examined as part of the National Institute of Standards and Technology investigation to provide data…”
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In situ TEM observations of fracture in nanolaminated metallic thin films by Foecke, T., Kramer, D.E.

“…Fracture of single crystal nanolaminated thin films has been investigated through in situ straining of cross-sectional samples of Cu/Ni nanolaminates grown on…”
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Assessment of structural steel from the World Trade Center towers, part II: Analysis of images for forensic information by Foecke, T, Banovic, S W, Gayle, F W

“…A meaningful modeling analysis of the collapse of the World Trade Center towers required documentation of the damage of the buildings due to the aircraft…”
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Assessment of structural steel from the World Trade Center towers, part I: Recovery and identification of critical structural elements by Banovic, S W, Foecke, T, Gayle, F W

“…The National Institute of Standards and Technology conducted a 3-year, $16 million investigation of the World Trade Center (WTC) disaster in response to the…”
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Assessment of structural steel from the World Trade Center towers, part III: Physical damage caused by impact of aircraft by Banovic, S W, Foecke, T, Gayle, F W

“…This paper describes damage characteristics and failure modes of the recovered structural steel components from the World Trade Center (WTC) towers WTC 1 and…”
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Assessment of structural steel from the World Trade Center towers, part V: forensic photographic evidence of tower collapse initiation and progression by Foecke, T, Banovic, S W, Gayle, F W

“…Photographic forensic evidence for the global collapse of the World Trade Center (WTC) towers was developed as part of the National Institute of Standards and…”
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Evaluation of vapor deposited Nb/Nb5Si3 microlaminates by VAN HEERDEN, D, GAVENS, A. J, FOECKE, T, WEIHS, T. P

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A synchrotron study of residual stresses in a Al6022 deep drawn cup by Gnaeupel-Herold, Thomas, Prask, Henry J., Fields, Richard J., Foecke, Timothy J., Xia, Z.Cedric, Lienert, Ulrich

“…Fueled by pressures to reduce scrap and tooling costs, the modeling and prediction of springback has become a major focus of interest in sheet metal forming…”
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