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  1. No Access

    Article

    Dendritic Growth Morphologies in Al-Zn Alloys—Part II: Phase-Field Computations

    In Part I of this article, the role of the Zn content in the development of solidification microstructures in Al-Zn alloys was investigated experimentally using X-ray tomographic microscopy. The transition reg...

    J. A. Dantzig, Paolo Di Napoli, J. Friedli… in Metallurgical and Materials Transactions A (2013)

  2. No Access

    Article

    Numerical modeling of diffusion-induced deformation

    We present a numerical approach to modeling the deformation induced by the Kirkendall effect in binary alloys. The governing equations for isothermal binary diffusion are formulated with respect to inert marke...

    J. A. Dantzig, W. J. Boettinger, J. A. Warren… in Metallurgical and Materials Transactions A (2006)

  3. No Access

    Article

    High-temperature mechanical behavior and hot rolling of AA705X

    High-temperature mechanical behavior and processing performance of 705X aluminum alloys is examined, employing a combination of mechanical testing, microscopy, and computational modeling. We perform hot uniaxi...

    S. F. Harnish, H. A. Padilla, J. A. Dantzig… in Metallurgical and Materials Transactions A (2005)

  4. No Access

    Article

    Deformation, residual stress, and constitutive relations for quenched W319 aluminum

    A study of the development of deformation and transient and residual stresses during quenching in aluminum alloy W319 is presented. Rapid tension tests were performed on W319 in the super-saturated solution st...

    M. L. Newman, B. J. Robinson, H. Sehitoglu… in Metallurgical and Materials Transactions A (2003)

  5. No Access

    Article

    A small-molecule inhibitor of skeletal muscle myosin II

    We screened a small-molecule library for inhibitors of rabbit muscle myosin II subfragment 1 (S1) actin-stimulated ATPase activity. The best inhibitor, N-benzyl-p-toluene sulphonamide (BTS), an aryl sulphonamide,...

    A. Cheung, J. A. Dantzig, S. Hollingworth, S. M. Baylor… in Nature Cell Biology (2002)

  6. No Access

    Article

    Solidification modeling: Status and outlook

    Solidification modeling is a complex and highly advanced field. This article examines the state of the art in solidification modeling, including physical phenomena of solidification such as heat extraction, tr...

    J. A. Dantzig in JOM (2000)

  7. No Access

    Article

    Growth, characterization, and modeling of ternary InGaAs-GaAs quantum wells by selective-area metalorganic chemical vapor deposition

    A computational diffusion model is used to predict thickness and composition profiles of ternary InxGa1-xAs quantum wells grown by selective-area, atmospheric pressure metalorganic chemical vapor deposition (MOCV...

    A. M. Jones, M. L. Osowski, R. M. Lammert, J. A. Dantzig… in Journal of Electronic Materials (1995)

  8. No Access

    Article

    Optimal riser design for metal castings

    The optimal design of a casting rigging system is considered. The casting geometry is systematically modified to minimize the gate and riser volume, while simultaneously ensuring that no porosity appears in th...

    T. E. Morthland, P. E. Byrne… in Metallurgical and Materials Transactions B (1995)

  9. No Access

    Article

    Wavelength tuning in strained layer InGaAs-GaAs-AlGaAs quantum well lasers by selective-area MOCVD

    Selective-area growth and regrowth using conventional atmospheric pressure metalorganic chemical vapor deposition is investigated for wavelength tuning in strained layer InxGa1-xAsGaAs-Aly Ga1-yAs quantum well la...

    T. M. Cockerill, D. V. Forbes, H. Han, B. A. Turkot… in Journal of Electronic Materials (1994)

  10. No Access

    Article

    Initial development of thermal and stress fields in continuously cast steel billets

    A mathematical model has been developed to compute the thermomechanical state of the shell of continuously cast steels in a round billet casting mold. The model determines the temperature distributions, the st...

    J. E. Kelly, K. P. Michalek, T. G. O’connor, B. G. Thomas… in Metallurgical Transactions A (1988)

  11. No Access

    Article

    Modeling of heat flow in sand castings: Part II. Applications of the boundary curvature method

    In Part I of this paper, a new method was presented for modeling heat flow in sand castings. In this paper, the method is used to simulate the solidification of parts of varying complexities. Comparisons are m...

    J. A. Dantzig, J. W. Wiese in Metallurgical Transactions B (1985)

  12. No Access

    Article

    Modeling of heat flow in sand castings: Part I. The boundary curvature method

    A method has been developed for the representation of the abstraction of heat from castings into bonded sand molds. The method consists of representing the local surface geometry of the part by a plane, cylind...

    J. A. Dantzig, S. C. Lu in Metallurgical Transactions B (1985)

  13. No Access

    Article

    Degassing of static melts by insoluble purge gases

    A model has been developed to describe the degassing of static melts by insoluble purge gases. In this treatment, both the diffusion of dissolved hydrogen through the melt to the purge gas bubbles and the chem...

    J. A. Dantzig, J. A. Clumpner, D. E. Tyler in Metallurgical Transactions B (1980)