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Advanced Neutron Scattering netWork for Education and Research (ANSWER) International Materials Institutes (IMI), DMR 0231320 P. K. Liaw, H. Choo, and.

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Presentation on theme: "Advanced Neutron Scattering netWork for Education and Research (ANSWER) International Materials Institutes (IMI), DMR 0231320 P. K. Liaw, H. Choo, and."— Presentation transcript:

1 Advanced Neutron Scattering netWork for Education and Research (ANSWER) International Materials Institutes (IMI), DMR 0231320 P. K. Liaw, H. Choo, and E-W. Huang, The University of Tennessee, USA International Collaborators: E. C. Oliver, Rutherford Appleton Laboratory, UK Domestic Collaborators: B. Clausen and D. W. Brown, Los Alamos National Lab, USA; D. L. Klarstrom, Haynes International, Inc., USA Studying Mechanical Behavior of Advanced Structural Materials Motivation  The fatigue-behavior study is essential for structural- integrity analyses. Fatigue properties are widely applied to predict/estimate the life of the materials used in the transportation industry, such as bridges and jet engines.  The atomic and microscopic mechanisms on the degradation of the mechanical behavior in the advanced materials, including bulk-metallic glasses, nanomaterials, and superalloys, remain unclear.  The synergistic international collaborations using the in-situ neutron and high-energy X-ray diffraction techniques reveal the effect of stresses on microstructural evolutions. Research Efforts  The quantitative characterization at the multi-scale microstructural levels is necessary to understand the plastic deformation, stress states, and materials performance.  In-situ neutron-diffraction experiments examine (1) the dislocations dynamics and (2) the fracture mechanics of structural and engineering materials. Impact  The experiments and theories help us improve the reliability and performance of structural components and develop new materials. Fatigue-Life Prediction For Bridges Engine-Life Prediction For Airplanes

2 International Materials Institutes (IMI), DMR 0231320 Advanced Neutron Scattering netWork for Education and Research (ANSWER) P. K. Liaw and H. Choo, The University of Tennessee, USA Web-Based Education: ANSWER organizes tutorial workshops and short courses, which are available on the internet for the public access. Internet Education, IMI-ANSWER Website, University of Tennessee IMI- ANSWER, Fellowshi p Programs Promotions and Activities  The fellowship programs are advertised in journals and conferences, such as the 2006 Materials Research Society (MRS) Fall Meeting.  The ANSWER-supported publications are 10 (2003), 11 (2004), 21 (2005), 61 (2006), and 36 (2007, Sept.). Outreach Programs, IMI-ANSWER, University of Tennessee  Professor Tamás Ungár, Eötvös University, Budapest, Hungary, taught students at the 2007 ANSWER Summer School. The lectures are available on-line.  Lecturers from overseas taught students from institutions worldwide. The courses and handouts were live broadcasted and are archived on-line. IMI High-School, Female and Minority Students Programs, and Neutron Schools  The availability and new capabilities of the Spallation Neutron Source (SNS) at Oak Ridge, Tennessee, have been communicated to high-school, female and minority students.  The IMI-ANSWER neutron schools, courses, tutorials, workshops, and booths at conferences have educated students, postdocs, and faculty worldwide. MSE 676 Neutron Diffraction Fundamental and Applications http:// answer.utk.edu


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