Ursula R. Kattner

Current Research Interests

Computational thermodynamics
Alloy phase diagram evaluations
Metal-hydrogen systems
Solder alloy systems
Superalloy systems

For more info, please see my research homepage

Publications

Development of Computational Framework for Titanium Alloy Phase Transformation Prediction in Laser Powder-bed Direct Energy Additive Manufacturing

October 16, 2020

Author(s)

Zhi Liang, Ivan Zhirnov, Fan Zhang, Kevontrez K. Jones, David C. Deisenroth, Maureen E. Williams, Ursula R. Kattner, Kil-Won Moon, Wing-Kam Liu, Brandon M. Lane, Carelyn E. Campbell

In conjunction with bare metal single laser track validation experiments, a computational framework is proposed to accelerate the design and development of new

The Need for Reliable Experimental Data in Computational Thermodynamics

February 28, 2020

Author(s)

Ursula R. Kattner

Computational methods have become indispensable tools for efficient development of new materials and their processing and have led to the new discipline of

A Method for Handling the Extrapolation of Solid Crystalline Phases to Temperatures far above their Melting Point

January 31, 2020

Author(s)

Bo Sundman, Ursula R. Kattner, Sedigeh Bigdeli, Qing Chen, Alan Dinsdale, Bengt Hallstedt, Zhangting He, Mats Hillert, Richard Otis, Malin Selleby

Thermodynamic descriptions in databases for applications in computational thermodynamics require a number of models to describe the Gibbs energy of stable as

Structural stability of Co-V intermetallic phases and thermodynamic description of the Co-V system

January 9, 2020

Author(s)

Peisheng Wang, Thomas Hammerschmidt, Ursula R. Kattner, Olson B. Gregory

The Co-V system has been reviewed. Density functional theory (DFT) calculations using the generalized gradient approximation were used to obtain the energies

Solidification of Ni-Re Peritectic Alloys

February 4, 2019

Author(s)

William J. Boettinger, Dale E. Newbury, Nicholas W. Ritchie, Maureen E. Williams, Ursula R. Kattner, Eric Lass, Kil-Won Moon, Michael B. Katz

Differential thermal analysis (DTA) and microstructural and microprobe measurements of DTA and as-cast Ni-Re alloys with compositions between 0.20 and 0.44 mass

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Patents

Knowledge Management System and Process for Managing Knowledge

NIST Inventors

John T. Elliott, Talapady N. Bhat, Ursula R. Kattner, Carelyn E. Campbell, Ram D. Sriram and Jacob Collard

Patent Description This method is a general approach to generating sets of normalized terminology from a digital corpus of natural language documents in any given domain to address the need for flexible, intuitive, reusable, and normalized terminology. The terms that this approach generates are root

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