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in the Advanced Manufacturing Program at the National                         Bio: Dr. Lyle E. Levine is a physicist in the Materials Measure-
Science Foundation, she will also provide her perspectives                    ment Laboratory of the National Institute of Standards and
on future trends in Manufacturing.                                            Technology (NIST) in the USA, where he leads most of NIST’s
                                                                              materials research in additive manufacturing (AM) of metals.
Bio: Brigid Mullany received her Bachelor of Engineering                      With a dual emphasis on world-leading, quantitative
Degree and Doctorate in Mechanical Engineering from                           measurements and microstructure evolution modeling, this
University College Dublin in Ireland. Upon graduation, she                    Additive Manufacturing of Metals Project provides experimental
received a two-year EU Marie Curie postdoctoral research                      input and validation testing for both high-fidelity AM models and
position at Carl Zeiss in Germany. In 2004, she joined the                    reduced order models for AM engineering design. Dr. Levine
Department of Mechanical Engineering and Engineering                          also founded and leads AM-Bench, an international organization
Science at the University of North Carolina at Charlotte where                that provides AM benchmark measurements for the AM community.
she is a Professor working in the area of surface finishing and                With active participation from more than 80 organizations
advanced manufacturing. Currently, Dr. Mullany is a Program                   around the world, AM-Bench is the world’s leading provider for
Director in the Advanced Manufacturing program at the                         AM benchmark data. Dr. Levine also leads the experimental
National Science Foundation. She is active in CIRP, where she                 validation effort for the AM application, ExaAM, for the
is the Vice Chair of the Scientific Technical Committee on                     Exascale Computing Project. ExaAM is a collaboration between
Surfaces (STC-S), and she is on the NAMRI board of directors.                 Oak Ridge National Laboratory, Lawrence Livermore National
                                                                              Laboratory, Los Alamos National Laboratory, and NIST. In
Track 2: Advanced Manufacturing                                               addition to his work on additive manufacturing, Dr. Levine
                                                                              founded the continuing Dislocations Conference Series and is
2-1-2: ADVANCED MANUFACTURING                                                 highly active in synchrotron X-ray science, where he co-develops
                   Tuesday, November 12, 9:45AM–10:30AM                       and uses world-leading microbeam diffraction and small-angle
                                                                  Room 155C,  scattering methods for studying material microstructures.
                                                                              Dr. Levine received his B.S. in physics from Caltech and his
      Calvin L. Rampton Salt Palace Convention Center                         Ph.D. in physics from Washington University in St. Louis.
                                                                              He is an adjunct professor of Mechanical Engineering at
Building Parts by Welding Millions of Little Bits of Metals                   both Northwestern University and the University of Southern
Together: What Can Go Wrong and How Do We Fix It?                             California, where he advises graduate students. Dr. Levine
(IMECE2019-13991)                                                             is a recipient of NIST’s highest honor for innovations in
                                                                              measurement science, the Allen V. Astin Measurement Science
                      Lyle E. Levine                                          Award; the U.S. Department of Commerce Silver Medal, the
                      National Institute of Standards and                     department’s second highest honor; and the ASM 2018 Henry
                      Technology Presentation                                 Marion Howe Medal for his work on AM heat treatments.

Abstract: Additive manufacturing (AM) of metal components                     Track 3: Advances in Aerospace Technology
is a rapidly growing advanced manufacturing paradigm that
promises unparalleled flexibility in the production of parts                   3-1-1: ADVANCES IN AEROSPACE TECHNOLOGY
with complex geometries. However, the extreme processing
conditions create position-dependent microstructures, residual                                   Tuesday, November 12, 9:45AM–10:30AM
stresses, and properties that complicate component and                                                                                          Room 155D,
process design and certification. Quantitative modeling of
these characteristics is critical, but model validation requires                    Calvin L. Rampton Salt Palace Convention Center
rigorous benchmark measurements, including comprehensive
characterization of the feedstock materials, close in situ                    Very Flexible Aircraft: Performance Promises and
monitoring of the melt pool behavior, and extensive                           Aeroelastic Challenges
microstructure, residual stress, and property characterizations.              (IMECE2019-13993)
To be useful, such benchmark measurements must be
accepted broadly by the international AM community so that                                          Carlos E. S. Cesnik
meaningful comparisons can be made between different                                                University of Michigan
modeling codes and approaches. Here, the underlying
challenges we face in expanding metals AM beyond a niche                      Abstract: Large-span aircraft configurations become dominant                   xxxv
market will be discussed along with the critical role played by               when designing for high fuel efficiency and/or high endurance
computer simulation. Next, Dr. Levine will discuss the rationale              flights due to the induced drag minimization. The combination
behind the need for rigorous, broad-based measurements and                    of high aerodynamic efficiency and low structural weight
standards. Finally, he will describe the NIST-founded Additive                fraction leads to inherently very flexible wings. These vehicles
Manufacturing Benchmark Test Series (AM-Bench), a                             may then present large wing deformations at relatively low
continuing series of highly controlled benchmark tests for                    frequencies, which results in a direct impact into their flight
additive manufacturing that modelers around the world are                     dynamic characteristics. Such conditions can have a significant
now using to test and validate their AM simulations.                          effect on high-altitude long-endurance (HALE) aircraft and
                                                                              future highly efficient commercial transport aircraft.
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