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Fall 2008 Logo2008 MRS Fall Meeting & Exhibit

December 1-5, 2008 | Boston
Meeting Chairs:
 S. Ashok, Shenda M. Baker, Michael R. Fitzsimmons, Young-Chang Joo

Symposium U : Advanced Intermetallic-Based Alloys for Extreme Environment and Energy Applications

2008-12-01   Show All Abstracts

Symposium Organizers

Bernard Bewlay General Electric Company
Yue-hui He Central South University
Martin Palm Max-Planck Institut fuer Esenfoschung GmbH
Masao Takeyama Tokyo Institute of Technology
Joerg Wiezorek University of Pittsburgh
U1: Intermetallics for Hydrogen Storage and Thermoelectric Applications
Session Chairs
Haruyuki Inui
Jörg Wiezorek
Monday PM, December 01, 2008
Constitution A (Sheraton)

9:30 AM - U1
OPENING REMARKS - WELCOME

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9:45 AM - **U1.1
Crystal Structures and Hydrogenation Behaviors of the RMn (3≤n<5) (R=La, Mg; M=Ni, Co) ``Superlattice" Alloys.

Etsuo Akiba 1 , Jin Nakamura 1 , Kenji Iwase 2 , Yujun Chai 1 , Hirotoshi Enoki 1 , Kouji Sakaki 1 , Kohta Asano 1 , Yumiko Nakamura 1
1 ETRI, AIST, Tsukuba, Ibraki, Japan, 2 , Ibaraki University, Tokai, Naka-gun, Ibaraki, Japan

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10:15 AM - U1.2
Hydrogen Storage in Zr-Ni Intermetallic Alloys.

Sesha Srinivasan 1 , Diego Escobar 1 , Yogi Goswami 1 , Elias Stefanakos 1
1 , University of South Florida, Tampa, Florida, United States

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10:30 AM - U1.3
Hydrogen Permeation in Anisotropic Nb-TiNi Alloy Prepared by Forging and Rolling.

Kazuhiro Ishikawa 1 , Jun-ichi Matsuoka 1 , Sho Tokui 1 , Kiyoshi Aoki 1
1 Materials Science and Engineering, Kitami Institute of Technology, Kitami, Hokkaido, Japan

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10:45 AM - U1.4
Hydrogen Storage Properties, Metallographic Structures and Phase Transitions of Mg-based Alloys Prepared by Super Lamination Technique.

Nobuhiko Takeichi 1 , Koji Tanaka 1 , Hideaki Tanaka 1 , Nobuhiro Kuriyama 1 , Hiroshi Miyamura 2 , Shiomi Kikuchi 2
1 , AIST, Ikeda, OSAKA, Japan, 2 Department of Materials Science, University of Shiga Prefecture, Hikone, SHIGA, Japan

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11:00 AM - U1.5
Thermoelectric Devices Based on Nanocomposites with Ultra High Seebeck Coefficients.

Otto Gregory 1 , Ximing Chen 1 , Gustave Fralick 2
1 Chemical Engineering, Univ. of Rhode Island, Kingston, Rhode Island, United States, 2 , NASA Glenn Research Center, Cleveland, Ohio, United States

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11:15 AM - U1
BREAK

11:45 AM - U1.7
Change in the Thermoelectric Properties with the Variation in the Defect Structure of ReSi1.75.

Shunta Harada 1 , Katsushi Tanaka 1 , Kyosuke Kishida 1 , Norihiko Okamoto 1 , Haruyuki Inui 1
1 Department of Materials Science & Engineering, Kyoto University, Kyoto Japan

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12:00 PM - U1.8
Thermoelectric Energy Recycling for Green IT Applications.

Sang Mock Lee 1 , Jong Soo Rhyee 1 , Sang Il Kim 1 , Kyu Hyoung Lee 1
1 Materials lab, Sansung Advanced Institute of Technology, YongIn Korea (the Republic of)

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12:15 PM - U1.9
Phase Stability and Thermoelectric Properties ofHalf-Heusler (Ma0.5, Mb0.5)NiSn (Ma, Mb = Hf, Zr, Ti).

Yoshisato Kimura 1 , Hazuki Ueno 1 , Takahiro Kenjo 1 , Chihiro Asami 1 , Yoshinao Mishima 1
1 Materials Science and Engineering, Tokyo Institute of Technology, Yokohama Japan

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12:30 PM - U1.10
Fabrication of CoTiSb, NbNiSn and FeMoSb Half-Heusler Phases for Thermoelectric Applications.

Wilfried Wunderlich 1 , Yuichiro Motoyama 1
1 Dep. Mat. Sci, Tokai University, Faculty of Engineering, Hiratsuka-shi, Kanagawa-ken, Japan

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12:45 PM - U1.11
Mechanical and Thermal Properties of Single Crystals of Some Thermoelectric Clathrate Compounds.

Norihiko Okamoto 1 , Takahiro Nakano 1 , Kyosuke Kishida 1 , Katsushi Tanaka 1 , Haruyuki Inui 1
1 Materials Science and Engineering, Kyoto University, Kyoto Japan

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U2: Iron Aluminides - Physical Metallurgy, Processing, and Properties
Session Chairs
Ian Baker
Kyosuke Yoshimi
Monday PM, December 01, 2008
Constitution A (Sheraton)

2:30 PM - **U2.1
An Overview of the Properties of Iron Aluminides.

Ian Baker 1
1 Thayer School of Engineering, Dartmouth College, Hanover, New Hampshire, United States

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3:00 PM - U2.2
Forging of Steam Turbine Blades with an Fe3Al-based Alloy.

Peter Janschek 2 , Knut Bauer-Partenheimer 2 , Ronny Krein 1 , Martin Palm 1
2 , Max-Planck-Institut für Eisenforschung GmbH, Düsseldorf Germany, 1 , Leistritz Turbinenkomponenten Remscheid GmbH, Remscheid Germany

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3:15 PM - U2.3
Grain Refinement for Strengthening in Fe3Al-based Alloys through Thermomechanical Process.

Satoru Kobayashi 1 , Akira Takei 2 , Takayuki Takasugi 2 1
1 , Tohoku University, Sakai Japan, 2 , Osaka Prefecture University, Sakai Japan

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3:30 PM - U2.4
Ab Initio Study on Elastic Properties of Fe3Al-based Alloys.

Martin Friak 1 , Johannes Deges 1 , Ronny Krein 1 , Frank Stein 1 , Martin Palm 1 , Georg Frommeyer 1 , Joerg Neugebauer 1
1 , Max-Planck-Institut fuer Eisenforschung, GmbH, Duesseldorf Germany

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3:45 PM - U2.5
Mapping the Phase Diagram Al-Fe-Ni-Ti using the Diffusion Multiples Technique.

Liliana Duarte 1 2 , Christian Leinenbach 1 , Ulrich Klotz 3 , Joerg Loeffler 2
1 Department Advanced Materials and Surfaces, Laboratory for Joining and Interface Technology , EMPA, Swiss Federal Laboratories for Materials Testing and Research, Duebendorf Switzerland, 2 Department of Materials, Laboratory of Metal Physics and Technology, ETH Zurich, Zurich Switzerland, 3 Department of Physical Metallurgy, FEM, Research Institute for Precious Metals and Metals Chemistry, Schwaebisch Gmuend Germany

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4:00 PM - U2
BREAK

4:30 PM - U2.6
Microstructure and Mechanical Behavior in High Strength Nanostructured Spinodal FeNiMnAl Alloys.

Xiaolan Wu 1 , Ian Baker 1 , Yifeng Liao 1 , Michael Miller 2
1 , Thayer School of Engineering, Dartmouth College, , Hanover, New Hampshire, United States, 2 , Materials Science and Technology Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee, United States

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4:45 PM - U2.7
Microstructure and Mechanical Properties of a Eutectoid FeNiMnAl Alloy.

Yifeng Liao 1 , Ian Baker 1
1 Thayer School of Engineering, Dartmouth College, Hanover, New Hampshire, United States

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5:00 PM - U2.8
Effect of Transition Metal Additions on B2↔A2 Order-Disorder Phase Transition Temperatures in B2 Type FeAl Intermetallic Compounds.

Mehmet Yildirim 1 , M.Vedat Akdeniz 1 , Amdulla O. Mekhrabov 1
1 Department of Material Science and Metallurgical Engineering, Middle East Technical University, Ankara Turkey

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5:15 PM - U2.9
Magnetism of Mechanically Deformed Powder Fe-Al Alloys.

Estibaliz Apinaniz 1 , Estibaliz Legarra 2 , Fernando Plazaola 2 , Damian Martin-Rodriguez 4 , Jose Javier Saiz Garitaonandia 3
1 Fisika Aplikatua I Saila, University of the Basque Country (UPV-EHU), Bilbao Spain, 2 Elektrizitate eta Elektronika Saila, University of the Basque Country (UPV-EHU), Bilbao Spain, 4 , ANSTO, Menai, Australian Capital Territory, Australia, 3 Fisika Aplikatua II Saila, University of the Basque Country (UPV-EHU), Bilbao Spain

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5:30 PM - U2.10
Cracking in the Cast Fe-40Al-1C Alloys.

Jaromir Kopecek 1 , Jan Drahokoupil 1 , Karel Jurek 2 , Marketa Jarosova 2 , Petr Hausild 3 , Vladimir Sima 4 , Pavel Lejcek 1
1 Department of Metals, Institute of Physics of the AS CR, Prague Czechia, 2 Department of Structure Analysis , Institute of Physics of the AS CR, Praha Czechia, 3 Department of Materials, Faculty of Nuclear Sciences and Physical Engineering of the Czech Technical University, Prague Czechia, 4 Department of Physics of Materials, Faculty of Mathematics and Physics of the Charles University, Prague Czechia

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5:45 PM - U2.11
Ultrasonic Vacuum Chill Casting and Hot Rolling of FeAl Based Alloys.

Vladimir Sima 1 , Premysl Malek 1 , Petr Kozelsky 2 , Ivo Schindler 2 , Petr Hana 3
1 Department of Physics of Materials, Charles University in Prague, Prague Czechia, 2 Faculty of Metallurgy and Material Engineering, VŠB - Technical University of Ostrava, Ostrava Czechia, 3 Department of Physics, Technical University of Liberec, Liberec Czechia

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2008-12-02   Show All Abstracts

Symposium Organizers

Bernard Bewlay General Electric Company
Yue-hui He Central South University
Martin Palm Max-Planck Institut fuer Esenfoschung GmbH
Masao Takeyama Tokyo Institute of Technology
Joerg Wiezorek University of Pittsburgh
U3: Titanium Aluminides I - Physical Metallurgy, Processing and Properties
Session Chairs
Bernard Bewlay
Masao Takeyama
Tuesday AM, December 02, 2008
Constitution A (Sheraton)

9:15 AM - **U3.1
Solidification of TiAl-based Alloys.

Ulrike Hecht 1 , Dominique Daloz 2 , Anne Drevermann 1 , Juraj Lapin 3 , Victor Witusiewicz 1 , Julien Zollinger 1
1 , ACCESS e.V., Aachen Germany, 2 LSG2M, Ecole des Mines de Nancy, Nancy France, 3 Institute of Materials and Machine Mechanics, Slovak Institute of Sciences, Bratislava Slovakia

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9:45 AM - U3.2
Grain Refinement of γ-TiAl Based Alloys by Inoculation.

Daniel-Hendrik Gosslar 1 , Robert Guenther 1 , Christian Hartig 1 , Ruediger Bormann 1 , Julien Zollinger 2 , Ingo Steinbach 3
1 Institute of Materials Science and Technology, Hamburg University of Technology, Hamburg Germany, 2 , Access e.V., Aachen Germany, 3 Interdisciplinary Centre for Advanced Materials Simulation, Ruhr-University Bochum, Bochum Germany

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10:00 AM - U3.3
Unidirectional Solidification and Single Crystal Growth of Al-rich Ti-Al Alloys.

Anne Drevermann 1 , Georg Schmitz 1 , Günter Behr 2 , Christo Guguschev 2 , Nico Engberding 3 , Martin Palm 3 , Frank Stein 3 , Martin Heilmaier 4 , Daniel Sturm 4
1 , ACCESS e.V., Aachen Germany, 2 , Leibniz-Institut für Festkörper- und Werkstoffforschung, Dresden Germany, 3 , Max-Planck-Institut für Eisenforschung GmbH, Düsseldorf Germany, 4 , Otto-von-Guericke-Universität Magdeburg, Magdeburg Germany

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10:15 AM - **U3.4
Development of TiAl Alloys by Spark Plasma Sintering.

Alan Couret 1 , Houria Jabbar 1 , Jean-Philippe Monchoux 1 , Marc Thomas 2
1 CEMES, CNRS, Toulouse France, 2 DMSN, ONERA, Chatillon France

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10:45 AM - U3.5
Hot-die Forging of a β-stabilized γ-TiAl Based Alloy.

Wilfried Wallgram 1 , Sascha Kremmer 1 , Helmut Clemens 2 , Andreas Otto 3 , Volker Guether 3
1 , Bohler Schmiedetechnik GmbH&CoKG, Kapfenberg Austria, 2 Department of Physical Metallurgy and Materials Testing, Montanuniversität Leoben, Leoben Austria, 3 , GfE Metalle und Materialien GmbH, Nuremberg Germany

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11:00 AM - U3.6
Experimental Studies and Thermodynamic Simulations of Phase Transformations in Ti-(41-45)Al-4Nb-1Mo-0.1B Alloys.

Helmut Clemens 1 , Barbara Boeck 1 , Wilfried Wallgram 2 , Laura Droessler 1 , Gerald Zickler 3 , Harald Leitner 3 , Sascha Kremmer 2 , Andreas Otto 4
1 Physical Metallurgy and Materials Testing, Montanuniversität Leoben, Leoben Austria, 2 , Bohler Schmiedetechnik GmbH&CoKG, Kapfenberg Austria, 3 , Christian Doppler Laboratory for Early Stages of Precipitation, Leoben Austria, 4 , GfE Metalle und Materialien GmbH, Nuremberg Germany

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11:15 AM - U3
BREAK

11:30 AM - **U3.7
The Prospects of TiAl Application for the Aerospace and the Automotive Industries.

Sadao Nishikiori 1
1 Production Technology Development Dept, IHI, Yokohama Japan

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12:00 PM - U3.8
Microstructure Stability and Tensile Ductility of a Ti-43Al-4Nb-1Mo-0.1B Alloy.

Laura Droessler 1 , Limei Cha 1 , Thomas Schmoelzer 1 , Wilfried Wallgram 2 , Gopal Das 3 , Helmut Clemens 1
1 Physical Metallurgy and Materials Testing, Montanuniversität Leoben, Leoben Austria, 2 , Bohler Schmiedetechnik GmbH&CoKG, Kapfenberg Austria, 3 , Pratt & Whitney, East Hartford, Connecticut, United States

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12:15 PM - U3.9
Unique Plastic Deformation Behavior in TiAl-PST Crystals with Aligned Elongated Pores.

Takayoshi Nakano 1 , Takahiro Tachibana 1 , Koji Hagihara 1 , Yukichi Umakoshi 1 , Patrick Veyssiere 2
1 Course of Materials Science & Engineering, Division of Materials & Manufacturing Science, Graduate School of Engineering, Osaka University, Suita, Osaka, Japan, 2 Laboratorie d’Etude des Microstructures, CNRS-ONERA, Chatillon cedex France

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12:30 PM - U3.10
Effect of Microstructural Parameters on Toughness of Ti-Al-Nb-Cr Alloys.

Michael Kesler 1 , Sonalika Goyel 1 , Orlando Rios 1 , Hans Seifert 2 1 , Fereshteh Ebrahimi 1
1 Materials Science and Engineering, University of Florida, Gainesville , Florida, United States, 2 , Technische Universitaet Bergakademie Freiberg, Freiberg Germany

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12:45 PM - U3.11
An Overview of the ESA-ESRF-ILL Collaboration in the Framework of the IMPRESS Integrated Project.

Guillaume Reinhart 1 2 3 , Gail Iles 1 2 3 , Garry McIntyre 1 , Andrew Fitch 2 , David Jarvis 3
1 ILL diffraction group, ILL (Institut Laue-Langevin), Grenoble France, 2 Material science group, ESRF (European Synchrotron Radiation Facility), Grenoble France, 3 Physical Science Unit, Directorate of Human spaceflight, Microgravity and exploration, ESA/ESTEC, Noordwijk Netherlands

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U4: Titanium Aluminides II - Structure, Properties, and Coatings
Session Chairs
Helmut Clemens
Tresa Pollock
Tuesday PM, December 02, 2008
Constitution A (Sheraton)

2:45 PM - U4.2
Precipitation Reactions in Ti40Al60 and Ti38Al62 Alloys and Symmetry Relations of the Phases Involved.

Klemens Kelm 1 2 , Stephan Irsen 2 , Anne Drevermann 3 , Julio Aguilar 3 , Georg Schmitz 3 , Martin Palm 4 , Frank Stein 4 , Nico Engberding 4 , Martin Heilmaier 5 , Daniel Sturm 5 , Holger Saage 5
1 Center for Materials Analysis, Technische Fakultät, Christian-Albrechts-Universität Kiel, 24143 Kiel Germany, 2 , Stiftung caesar, 53175 Bonn Germany, 3 , ACCESS e.V, 52072 Aachen Germany, 4 , Max-Planck-Institut für Eisenforschung GmbH, 40237 Düsseldorf Germany, 5 Institut für Werkstoff- und Fügetechnik, Otto-von-Guericke-Universität Magdeburg, 39016 Magdeburg Germany

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3:15 PM - U4.4
Observation of <2c+a> Dislocations Glide in Duplex Ti-48Al After Room Temperature Tensile Deformation.

Andreas Kulovits 1 , Jorg Wiezorek 1
1 MEMS, University of Pittsburgh, Pittsburgh, Pennsylvania, United States

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3:30 PM - U4.5
TEM of C-component Dislocations Associated with Pyramidal Slip Activity in Hexagonal Alpha-2-Ti3Al.

Jorg Wiezorek 1 , Andreas Kulovits 1
1 MEMS, University of Pittsburgh, Pittsburgh, Pennsylvania, United States

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3:45 PM - U4.6
High Carbon Solubility in a Gamma-TiAl Based Ti-45Al-5Nb-0.5C Alloy and its Effect on Hardening.

Christina Scheu 2 1 , Erich Stergar 2 , Michael Schober 2 , Limei Cha 2 , Helmut Clemens 2 , Arno Bartels 3 , Frank-Peter Schimansky 4 , Alfred Cerezo 5
2 Department of Physical Metallurgy and Materials Testing , University of Leoben, Leoben Austria, 1 Department of Chemistry and Biochemistry, University of Munich, Munich Germany, 3 Materials Science and Technology , Technical University Hamburg Harburg , Hamburg Germany, 4 GKSS Research Center, Institute of Materials Research, Hamburg Germany, 5 Department of Materials, Oxford University, Oxford United Kingdom

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4:00 PM - U4
BREAK

4:30 PM - U4.7
Nano-scaled γ-TiAl: New Insights.

Limei Cha 1 , Christina Scheu 2 , Helmut Clemens 1 , Gerhard Dehm 3
1 Metallkunde und Werkstoffprüfung, Montanuniversität Leoben, Leoben Austria, 2 Department Chemie und Biochemie, Ludwig-Maximilians-Universität München, München Germany, 3 , Erich Schmid Institut für Materialwissenschaft, Leoben Austria

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4:45 PM - U4.8
Ductility of Gamma-TiAl-Based Microstructures in the Light of Deformation Mode Interaction—Crystal Plasticity Modeling and Micro-Mechanical Experiments.

Claudio Zambaldi 1 , Franz Roters 1 , Stefan Zaefferer 1 , Dierk Raabe 1
1 Microstructure Physics and Metal Forming, Max-Planck-Institute for Iron Research, Düsseldorf Germany

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5:00 PM - U4.9
Surface Treatment of TiAl with Fluorine for Improved Performance at Elevated Temperatures.

Alexander Donchev 1 , Pattrick Masset 1 , Michael Schuetze 1 , Hans-Eberhard Zschau 1
1 Karl-Winnacker-Institut, Dechema, Frankfurt/Main, Hessen, Germany

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5:15 PM - U4.10
The Role of Fundamental Material Parameters for the Fluorine Effect in the Oxidation Protection of Titanium Aluminides.

Hans-Eberhard Zschau 1 , Michael Schuetze 1 , Alexander Donchev 1
1 Karl-Winnacker-Institut, DECHEMA e. V., Frankfurt am Main Germany

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5:30 PM - U4.11
Analysis of the Liquid, Gamma, Sigma and eta Phase Equilibrium in the Ti-Al-Nb Alloy System.

Orlando Rios 1 , Damian Cupid 2 , Hans Seifert 2 , Fereshteh Ebrahimi 1
1 Materials Science and Engineering, University of Florida, Gainesville, Florida, United States, 2 Institute of Materials Science , Freiberg University of Mining and Technology , Freiberg, Saxony, Germany

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